<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000">Hello All</div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000">The problem of the .<a href="http://gov.bd">gov.bd</a> domain resolution has been successfully resolved. </div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000">In the zone file configuration, there was a forward entry for .<a href="http://gov.bd">gov.bd</a>, and after commenting out those lines, all .<a href="http://gov.bd">gov.bd</a> domains are now functioning correctly. </div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000">Thank you all for providing the right guidance that helped us pinpoint the issue."<br></div><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:#000000"></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif;font-size:small;color:rgb(0,0,0)"><span style="font-family:Arial,Helvetica,sans-serif;color:rgb(34,34,34)">root@ns1:/# dig <a href="http://mofa.gov.bd">mofa.gov.bd</a> +trace</span></div>\<br>; <<>> DiG 9.18.19-1~deb12u1-Debian <<>> <a href="http://mofa.gov.bd">mofa.gov.bd</a> +trace<br>;; global options: +cmd<br>. 452497 IN NS <a href="http://m.root-servers.net">m.root-servers.net</a>.<br>. 452497 IN NS <a href="http://i.root-servers.net">i.root-servers.net</a>.<br>. 452497 IN NS <a href="http://e.root-servers.net">e.root-servers.net</a>.<br>. 452497 IN NS <a href="http://g.root-servers.net">g.root-servers.net</a>.<br>. 452497 IN NS <a href="http://l.root-servers.net">l.root-servers.net</a>.<br>. 452497 IN NS <a href="http://a.root-servers.net">a.root-servers.net</a>.<br>. 452497 IN NS <a href="http://j.root-servers.net">j.root-servers.net</a>.<br>. 452497 IN NS <a href="http://b.root-servers.net">b.root-servers.net</a>.<br>. 452497 IN NS <a href="http://c.root-servers.net">c.root-servers.net</a>.<br>. 452497 IN NS <a href="http://f.root-servers.net">f.root-servers.net</a>.<br>. 452497 IN NS <a href="http://h.root-servers.net">h.root-servers.net</a>.<br>. 452497 IN NS <a href="http://d.root-servers.net">d.root-servers.net</a>.<br>. 452497 IN NS <a href="http://k.root-servers.net">k.root-servers.net</a>.<br>. 452497 IN RRSIG NS 8 0 518400 20231112050000 20231030040000 46780 . KOSvh8dmDkcY070FSYz+vAkH6BC+ZR4nGbEu0plshkZZX47oFXFpsHTJ /LiU7G7KXp6gE+g+QDcHk/HPEljGFNY5RwvzQaCjHGG063ypr+Huj1vJ 0SR03fSwm1FALKZ0EFNI2aIfpxY/1S8xc2HzZmHuneQcp7mTY7i+KtOY z8ljk2jQbdCjHYPg/AgIPtF2+507LnFScSCTw+zOVFYFktoPHyy/wDIk 3G0VQQIQG5+1kjn7YZl1yuyxiSqJhq1+7tSkrL3AKhA4fJtynJcBbZsw dq3mVHPfARjUjby2WNt/M2clERoo+W/zYsZpkKamUpvTNm6gYnnt2xUV 8F5/Ow==<br>;; Received 1137 bytes from 202.84.32.22#53(202.84.32.22) in 0 ms<br><br>bd. 172800 IN NS <a href="http://surma.btcl.net.bd">surma.btcl.net.bd</a>.<br>bd. 172800 IN NS <a href="http://dns.bd">dns.bd</a>.<br>bd. 172800 IN NS <a href="http://bd-ns.anycast.pch.net">bd-ns.anycast.pch.net</a>.<br>bd. 172800 IN NS <a href="http://jamuna.btcl.net.bd">jamuna.btcl.net.bd</a>.<br>bd. 86400 IN DS 26044 8 2 BD01C4B4345D21FC38AA88129F7BC00FDD7B422799CC6703736E3B38 1F37DD5B<br>bd. 86400 IN DS 26044 8 1 2DAD1B7F8CA778464F536FDDD15EFD24CCCB62EF<br>bd. 86400 IN RRSIG DS 8 1 86400 20231112170000 20231030160000 46780 . IFF4dDc0UEceikw9rf2bEaz/4LZtyCHeKAxX+gD8okseRzK1EcheFZ53 m8ZJtUa/ptVRIm6Hvwc8HTq7KeRKoCULw2isoqB/gNJDc+PasE0/2Uq8 vEY0CCPJad/zKRAjSXxkI6tmvOt3a3Mk6soTIOFCiK0eITwx2sJsdIGZ /wL3cfaqSHh1735dWtg0kWFstyesSida7YHjNyOsJ/X/mUMEInhFdHzR mg3Sa64FUy8BamA/yTUazNb3VG3yRS9ZUFJXeMib7qjSspDEqb2dTKzy RvFxiNKOD5rDoCN3/Da6hi/dBhCLL9Zh+6mhsV0KHLahoKI2Bl2xw2v3 F9hFyA==<br>;; Received 722 bytes from 192.36.148.17#53(<a href="http://i.root-servers.net">i.root-servers.net</a>) in 51 ms<br><br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 86400 IN NS <a href="http://ns1.bcc.gov.bd">ns1.bcc.gov.bd</a>.<br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 86400 IN NS <a href="http://ns2.bcc.gov.bd">ns2.bcc.gov.bd</a>.<br>;; Received 146 bytes from 204.61.216.108#53(<a href="http://bd-ns.anycast.pch.net">bd-ns.anycast.pch.net</a>) in 0 ms<br><br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 38400 IN A 103.163.210.117<br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 38400 IN A 103.163.210.121<br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 38400 IN NS <a href="http://ns1.bcc.gov.bd">ns1.bcc.gov.bd</a>.<br><a href="http://mofa.gov.bd">mofa.gov.bd</a>. 38400 IN NS <a href="http://ns2.bcc.gov.bd">ns2.bcc.gov.bd</a>.<br>;; Received 146 bytes from 114.130.54.124#53(<a href="http://ns2.bcc.gov.bd">ns2.bcc.gov.bd</a>) in 0 ms<br></div><div dir="ltr"><br></div><div dir="ltr">Regards<br clear="all"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr" style="color:rgb(34,34,34)"><span style="font-size:10pt"><font face="trebuchet ms, sans-serif" color="#000000">Mosharaf Hossain</font></span></div><div dir="ltr" style="color:rgb(34,34,34)"><span style="color:rgb(0,0,0);font-family:"trebuchet ms",sans-serif;font-size:10pt">Manager, Product Development</span><span><div><font color="#000000"><span style="font-size:10pt"><font face="trebuchet ms, sans-serif">IT Division</font></span><span style="font-family:verdana,sans-serif;font-size:10pt"><br></span></font></div><div><font color="#000000"><b><span style="font-size:10pt"><font face="trebuchet ms, sans-serif"><br></font></span></b></font></div><div><span style="color:rgb(0,0,0)"><span style="font-family:"Trebuchet MS",sans-serif">Bangladesh Export Import Company Ltd.</span></span><br></div></span><p class="MsoNormal" style="background-image:initial;background-position:initial;background-repeat:initial"><font color="#000000"><span style="font-size:9pt;line-height:12.84px;font-family:"Trebuchet MS",sans-serif">Level-8, SAM Tower, Plot #4, Road #22, Gulshan-1, Dhaka-1212,Bangladesh</span><span style="font-family:"Trebuchet MS",sans-serif"></span></font></p><p class="MsoNormal" style="background-image:initial;background-position:initial;background-repeat:initial"><font color="#000000"><span style="font-size:10pt;line-height:14.2667px;font-family:"Trebuchet MS",sans-serif">Tel: +880 9609 000 999, +880 2 5881 5559, Ext: 14191, Fax: +880 2 9895757</span><span style="font-family:"Trebuchet MS",sans-serif"></span></font></p><p class="MsoNormal" style="background-image:initial;background-position:initial;background-repeat:initial"><font color="#000000"><span style="font-size:10pt;line-height:14.2667px;font-family:"Trebuchet MS",sans-serif">Cell: +8801787680828, Email: </span><span style="font-family:"Trebuchet MS",sans-serif"><a href="mailto:mosharaf.hossain@bol-online.com" style="color:rgb(17,85,204);outline:none" target="_blank"><span style="font-size:10pt;line-height:14.2667px">mosharaf.hossain@bol-online.com</span></a></span><span style="font-size:10pt;line-height:14.2667px;font-family:"Trebuchet MS",sans-serif">, Web: </span></font><span style="font-family:"Trebuchet MS",sans-serif"><a href="https://www.google.com/url?q=http://www.bol-online.com&sa=D&source=hangouts&ust=1557908951423000&usg=AFQjCNGMxIuHSHsD3qO6y5JddpEZ0S592A" style="color:rgb(17,85,204);outline:none" target="_blank"><span style="font-size:10pt;line-height:14.2667px"><font color="#000000">www.bol-online.com<br></font></span></a></span></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><div dir="ltr"><div dir="ltr" style="font-size:12.8px"><div style="color:rgb(0,0,0);font-size:13px"><p style="font-family:"trebuchet ms",sans-serif;margin:0in 0in 0.0001pt;background-image:initial;background-repeat:initial"></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 31, 2023 at 7:15 AM Mark Andrews <<a href="mailto:marka@isc.org">marka@isc.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
<br>
> On 30 Oct 2023, at 17:25, Mosharaf Hossain <<a href="mailto:mosharaf.hossain@bol-online.com" target="_blank">mosharaf.hossain@bol-online.com</a>> wrote:<br>
> <br>
> <a href="http://mofa.gov.bd" rel="noreferrer" target="_blank">mofa.gov.bd</a>. 86400 IN NS <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>.<br>
> <a href="http://mofa.gov.bd" rel="noreferrer" target="_blank">mofa.gov.bd</a>. 86400 IN NS <a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>.<br>
> couldn't get address for '<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>': not found<br>
> couldn't get address for '<a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>': not found<br>
> dig: couldn't get address for '<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>': no more<br>
> root@ns1:/etc/bind# <br>
<br>
So you got this this point and that is saying that the lookup of<br>
the addresses of the nameservers is failing. The next step would to<br>
do a 'dig +trace' or a 'dig +trace +all' of those names.<br>
<br>
% dig +trace <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. +all -4<br>
;; BADCOOKIE, retrying.<br>
<br>
; <<>> DiG 9.19.18-dev <<>> +trace <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. +all -4<br>
;; global options: +cmd<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11927<br>
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 14, AUTHORITY: 0, ADDITIONAL: 27<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags: do; udp: 1232<br>
; COOKIE: 69a562ec1c50e22801000000654052b51e141922bd619839 (good)<br>
;; QUESTION SECTION:<br>
;. IN NS<br>
<br>
;; ANSWER SECTION:<br>
. 193742 IN NS <a href="http://b.root-servers.net" rel="noreferrer" target="_blank">b.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://c.root-servers.net" rel="noreferrer" target="_blank">c.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://d.root-servers.net" rel="noreferrer" target="_blank">d.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://g.root-servers.net" rel="noreferrer" target="_blank">g.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://j.root-servers.net" rel="noreferrer" target="_blank">j.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://l.root-servers.net" rel="noreferrer" target="_blank">l.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://i.root-servers.net" rel="noreferrer" target="_blank">i.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://h.root-servers.net" rel="noreferrer" target="_blank">h.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://k.root-servers.net" rel="noreferrer" target="_blank">k.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://a.root-servers.net" rel="noreferrer" target="_blank">a.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://f.root-servers.net" rel="noreferrer" target="_blank">f.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://e.root-servers.net" rel="noreferrer" target="_blank">e.root-servers.net</a>.<br>
. 193742 IN NS <a href="http://m.root-servers.net" rel="noreferrer" target="_blank">m.root-servers.net</a>.<br>
. 193742 IN RRSIG NS 8 0 518400 20231109050000 20231027040000 46780 . CkAeB9x0RdrjpMfUJWlZS8F8YwnNj8KY7CYkukIncgzX1eve21wHBkgF kXrIEQP7Atkq4/KYqsgs4fKnFwIkxtEqqDDvkU/635/cYgOFaBKiU5Di 4sPC5Q/q8jORU4WPM7vg+j7bY48qEaoTImPuT+EQpI4HF5uHekYm9F35 tJENhmLryMv8K4+072w2eaOTc45wirnVNxhxZ2QK8aZylubq2ELQ43aJ GgRmrFhujt8jzi20OvySAq1MNCd3Dy0Xqh99DSu6YkhflypgZXeUEiRV 8/HB33V9yQBs/GNXjajxSw/NwxLAxMDNv8kdkE08YBWTZLQfPmY/+ZDU FEchxA==<br>
<br>
;; ADDITIONAL SECTION:<br>
<a href="http://l.root-servers.net" rel="noreferrer" target="_blank">l.root-servers.net</a>. 135488 IN A 199.7.83.42<br>
<a href="http://g.root-servers.net" rel="noreferrer" target="_blank">g.root-servers.net</a>. 135488 IN A 192.112.36.4<br>
<a href="http://i.root-servers.net" rel="noreferrer" target="_blank">i.root-servers.net</a>. 135488 IN A 192.36.148.17<br>
<a href="http://h.root-servers.net" rel="noreferrer" target="_blank">h.root-servers.net</a>. 135488 IN A 198.97.190.53<br>
<a href="http://k.root-servers.net" rel="noreferrer" target="_blank">k.root-servers.net</a>. 135488 IN A 193.0.14.129<br>
<a href="http://j.root-servers.net" rel="noreferrer" target="_blank">j.root-servers.net</a>. 135488 IN A 192.58.128.30<br>
<a href="http://d.root-servers.net" rel="noreferrer" target="_blank">d.root-servers.net</a>. 135488 IN A 199.7.91.13<br>
<a href="http://b.root-servers.net" rel="noreferrer" target="_blank">b.root-servers.net</a>. 135488 IN A 199.9.14.201<br>
<a href="http://a.root-servers.net" rel="noreferrer" target="_blank">a.root-servers.net</a>. 135488 IN A 198.41.0.4<br>
<a href="http://f.root-servers.net" rel="noreferrer" target="_blank">f.root-servers.net</a>. 135488 IN A 192.5.5.241<br>
<a href="http://e.root-servers.net" rel="noreferrer" target="_blank">e.root-servers.net</a>. 135488 IN A 192.203.230.10<br>
<a href="http://c.root-servers.net" rel="noreferrer" target="_blank">c.root-servers.net</a>. 135488 IN A 192.33.4.12<br>
<a href="http://m.root-servers.net" rel="noreferrer" target="_blank">m.root-servers.net</a>. 135488 IN A 202.12.27.33<br>
<a href="http://l.root-servers.net" rel="noreferrer" target="_blank">l.root-servers.net</a>. 135488 IN AAAA 2001:500:9f::42<br>
<a href="http://g.root-servers.net" rel="noreferrer" target="_blank">g.root-servers.net</a>. 135488 IN AAAA 2001:500:12::d0d<br>
<a href="http://i.root-servers.net" rel="noreferrer" target="_blank">i.root-servers.net</a>. 135488 IN AAAA 2001:7fe::53<br>
<a href="http://h.root-servers.net" rel="noreferrer" target="_blank">h.root-servers.net</a>. 135488 IN AAAA 2001:500:1::53<br>
<a href="http://k.root-servers.net" rel="noreferrer" target="_blank">k.root-servers.net</a>. 135488 IN AAAA 2001:7fd::1<br>
<a href="http://j.root-servers.net" rel="noreferrer" target="_blank">j.root-servers.net</a>. 135488 IN AAAA 2001:503:c27::2:30<br>
<a href="http://d.root-servers.net" rel="noreferrer" target="_blank">d.root-servers.net</a>. 135488 IN AAAA 2001:500:2d::d<br>
<a href="http://b.root-servers.net" rel="noreferrer" target="_blank">b.root-servers.net</a>. 135488 IN AAAA 2001:500:200::b<br>
<a href="http://a.root-servers.net" rel="noreferrer" target="_blank">a.root-servers.net</a>. 135488 IN AAAA 2001:503:ba3e::2:30<br>
<a href="http://f.root-servers.net" rel="noreferrer" target="_blank">f.root-servers.net</a>. 135488 IN AAAA 2001:500:2f::f<br>
<a href="http://e.root-servers.net" rel="noreferrer" target="_blank">e.root-servers.net</a>. 135488 IN AAAA 2001:500:a8::e<br>
<a href="http://c.root-servers.net" rel="noreferrer" target="_blank">c.root-servers.net</a>. 135488 IN AAAA 2001:500:2::c<br>
<a href="http://m.root-servers.net" rel="noreferrer" target="_blank">m.root-servers.net</a>. 135488 IN AAAA 2001:dc3::35<br>
<br>
;; Query time: 0 msec<br>
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)<br>
;; WHEN: Tue Oct 31 12:04:53 AEDT 2023<br>
;; MSG SIZE rcvd: 1125<br>
<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38819<br>
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 9<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags: do; udp: 1232<br>
; COOKIE: 69a562ec1c50e22801000000654052b5f101b47fe1d10f06 (good)<br>
;; QUESTION SECTION:<br>
;<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. IN A<br>
<br>
;; AUTHORITY SECTION:<br>
bd. 172800 IN NS <a href="http://dns.bd" rel="noreferrer" target="_blank">dns.bd</a>.<br>
bd. 172800 IN NS <a href="http://surma.btcl.net.bd" rel="noreferrer" target="_blank">surma.btcl.net.bd</a>.<br>
bd. 172800 IN NS <a href="http://bd-ns.anycast.pch.net" rel="noreferrer" target="_blank">bd-ns.anycast.pch.net</a>.<br>
bd. 172800 IN NS <a href="http://jamuna.btcl.net.bd" rel="noreferrer" target="_blank">jamuna.btcl.net.bd</a>.<br>
bd. 86400 IN DS 26044 8 1 2DAD1B7F8CA778464F536FDDD15EFD24CCCB62EF<br>
bd. 86400 IN DS 26044 8 2 BD01C4B4345D21FC38AA88129F7BC00FDD7B422799CC6703736E3B38 1F37DD5B<br>
bd. 86400 IN RRSIG DS 8 1 86400 20231112170000 20231030160000 46780 . IFF4dDc0UEceikw9rf2bEaz/4LZtyCHeKAxX+gD8okseRzK1EcheFZ53 m8ZJtUa/ptVRIm6Hvwc8HTq7KeRKoCULw2isoqB/gNJDc+PasE0/2Uq8 vEY0CCPJad/zKRAjSXxkI6tmvOt3a3Mk6soTIOFCiK0eITwx2sJsdIGZ /wL3cfaqSHh1735dWtg0kWFstyesSida7YHjNyOsJ/X/mUMEInhFdHzR mg3Sa64FUy8BamA/yTUazNb3VG3yRS9ZUFJXeMib7qjSspDEqb2dTKzy RvFxiNKOD5rDoCN3/Da6hi/dBhCLL9Zh+6mhsV0KHLahoKI2Bl2xw2v3 F9hFyA==<br>
<br>
;; ADDITIONAL SECTION:<br>
<a href="http://jamuna.btcl.net.bd" rel="noreferrer" target="_blank">jamuna.btcl.net.bd</a>. 172800 IN A 203.112.194.231<br>
<a href="http://surma.btcl.net.bd" rel="noreferrer" target="_blank">surma.btcl.net.bd</a>. 172800 IN A 203.112.194.232<br>
<a href="http://bd-ns.anycast.pch.net" rel="noreferrer" target="_blank">bd-ns.anycast.pch.net</a>. 172800 IN A 204.61.216.108<br>
<a href="http://dns.bd" rel="noreferrer" target="_blank">dns.bd</a>. 172800 IN A 123.49.12.112<br>
<a href="http://jamuna.btcl.net.bd" rel="noreferrer" target="_blank">jamuna.btcl.net.bd</a>. 172800 IN AAAA 2407:5000:88:4::231<br>
<a href="http://surma.btcl.net.bd" rel="noreferrer" target="_blank">surma.btcl.net.bd</a>. 172800 IN AAAA 2407:5000:88:4::232<br>
<a href="http://bd-ns.anycast.pch.net" rel="noreferrer" target="_blank">bd-ns.anycast.pch.net</a>. 172800 IN AAAA 2001:500:14:6108:ad::1<br>
<a href="http://dns.bd" rel="noreferrer" target="_blank">dns.bd</a>. 172800 IN AAAA 2407:5000:88:5::3<br>
<br>
;; Query time: 19 msec<br>
;; SERVER: 192.33.4.12#53(<a href="http://c.root-servers.net" rel="noreferrer" target="_blank">c.root-servers.net</a>) (UDP)<br>
;; WHEN: Tue Oct 31 12:04:53 AEDT 2023<br>
;; MSG SIZE rcvd: 725<br>
<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 54270<br>
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags: do; udp: 4096<br>
;; QUESTION SECTION:<br>
;<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. IN A<br>
<br>
;; AUTHORITY SECTION:<br>
<a href="http://bcc.gov.bd" rel="noreferrer" target="_blank">bcc.gov.bd</a>. 86400 IN NS <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>.<br>
<a href="http://bcc.gov.bd" rel="noreferrer" target="_blank">bcc.gov.bd</a>. 86400 IN NS <a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>.<br>
<br>
;; ADDITIONAL SECTION:<br>
<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. 86400 IN A 114.130.54.123<br>
<a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>. 86400 IN A 114.130.54.124<br>
<br>
;; Query time: 210 msec<br>
;; SERVER: 123.49.12.112#53(<a href="http://dns.bd" rel="noreferrer" target="_blank">dns.bd</a>) (UDP)<br>
;; WHEN: Tue Oct 31 12:04:54 AEDT 2023<br>
;; MSG SIZE rcvd: 107<br>
<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11259<br>
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags: do; udp: 1232<br>
; COOKIE: 69a562ec1c50e22801000000654052b6abe0594cf8b9b688 (good)<br>
;; QUESTION SECTION:<br>
;<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. IN A<br>
<br>
;; ANSWER SECTION:<br>
<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. 38400 IN A 114.130.54.123<br>
<br>
;; AUTHORITY SECTION:<br>
<a href="http://bcc.gov.bd" rel="noreferrer" target="_blank">bcc.gov.bd</a>. 38400 IN NS <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>.<br>
<a href="http://bcc.gov.bd" rel="noreferrer" target="_blank">bcc.gov.bd</a>. 38400 IN NS <a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>.<br>
<br>
;; ADDITIONAL SECTION:<br>
<a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>. 38400 IN A 114.130.54.124<br>
<br>
;; Query time: 212 msec<br>
;; SERVER: 114.130.54.123#53(<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>) (UDP)<br>
;; WHEN: Tue Oct 31 12:04:54 AEDT 2023<br>
;; MSG SIZE rcvd: 135<br>
<br>
% <br>
<br>
That succeeded but you will note that that address of both of the nameservers<br>
for <a href="http://bcc.gov.bd" rel="noreferrer" target="_blank">bcc.gov.bd</a> are in the same /24 which means there is a single point of<br>
failure at the routing level. At this point I’d test if you could reach<br>
the nameservers with direct queries as you have their addresses in the glue<br>
returned from the .bd nameservers assuming that if fails for you.<br>
<br>
% dig <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a> @<a href="http://114.130.54.123" rel="noreferrer" target="_blank">114.130.54.123</a><br>
<br>
; <<>> DiG 9.19.18-dev <<>> <a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a> @<a href="http://114.130.54.123" rel="noreferrer" target="_blank">114.130.54.123</a><br>
;; global options: +cmd<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2139<br>
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br>
;; WARNING: recursion requested but not available<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags:; udp: 1232<br>
; COOKIE: 8a8e9d7bfc1abdb2010000006540536a724fdb04112462bb (good)<br>
;; QUESTION SECTION:<br>
;<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. IN A<br>
<br>
;; ANSWER SECTION:<br>
<a href="http://ns1.bcc.gov.bd" rel="noreferrer" target="_blank">ns1.bcc.gov.bd</a>. 38400 IN A 114.130.54.123<br>
<br>
;; Query time: 215 msec<br>
;; SERVER: 114.130.54.123#53(114.130.54.123) (UDP)<br>
;; WHEN: Tue Oct 31 12:07:54 AEDT 2023<br>
;; MSG SIZE rcvd: 87<br>
<br>
% dig <a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a> @<a href="http://114.130.54.124" rel="noreferrer" target="_blank">114.130.54.124</a><br>
<br>
; <<>> DiG 9.19.18-dev <<>> <a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a> @<a href="http://114.130.54.124" rel="noreferrer" target="_blank">114.130.54.124</a><br>
;; global options: +cmd<br>
;; Got answer:<br>
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44727<br>
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1<br>
;; WARNING: recursion requested but not available<br>
<br>
;; OPT PSEUDOSECTION:<br>
; EDNS: version: 0, flags:; udp: 1232<br>
; COOKIE: 181d91ea2ecc46ce01000000654054883752dba5d1912e6e (good)<br>
;; QUESTION SECTION:<br>
;<a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>. IN A<br>
<br>
;; ANSWER SECTION:<br>
<a href="http://ns2.bcc.gov.bd" rel="noreferrer" target="_blank">ns2.bcc.gov.bd</a>. 38400 IN A 114.130.54.124<br>
<br>
;; Query time: 212 msec<br>
;; SERVER: 114.130.54.124#53(114.130.54.124) (UDP)<br>
;; WHEN: Tue Oct 31 12:12:40 AEDT 2023<br>
;; MSG SIZE rcvd: 87<br>
<br>
% <br>
<br>
-- <br>
Mark Andrews, ISC<br>
1 Seymour St., Dundas Valley, NSW 2117, Australia<br>
PHONE: +61 2 9871 4742 INTERNET: <a href="mailto:marka@isc.org" target="_blank">marka@isc.org</a><br>
<br>
</blockquote></div>