Questions about .ro domain

Sten Carlsen stenc at s-carlsen.dk
Mon Feb 15 16:31:52 UTC 2016



On 15/02/2016 17:19, John W. Blue wrote:
>
> Given that the NL server gets an answer and assuming the US server is
> configured properly and operating correctly, my thoughts are its
> traffic is being dropped from the .ro server to the US server.
>
>  
>
> John
>
This does sound correct OR there may be some kind of blocking/firewall
somewhere in the US-path.

I see:
; <<>> DiG 9.8.3-P1 <<>> ns01.ebsromania.ro. +trace
;; global options: +cmd
.            145895    IN    NS    m.root-servers.net.
.            145895    IN    NS    i.root-servers.net.
.            145895    IN    NS    l.root-servers.net.
.            145895    IN    NS    a.root-servers.net.
.            145895    IN    NS    h.root-servers.net.
.            145895    IN    NS    g.root-servers.net.
.            145895    IN    NS    b.root-servers.net.
.            145895    IN    NS    c.root-servers.net.
.            145895    IN    NS    d.root-servers.net.
.            145895    IN    NS    j.root-servers.net.
.            145895    IN    NS    k.root-servers.net.
.            145895    IN    NS    e.root-servers.net.
.            145895    IN    NS    f.root-servers.net.
;; Received 496 bytes from
2001:16d8:dd00:81ac::17#53(2001:16d8:dd00:81ac::17) in 5207 ms

ro.            172800    IN    NS    sns-pb.isc.org.
ro.            172800    IN    NS    primary.rotld.ro.
ro.            172800    IN    NS    dns-ro.denic.de.
ro.            172800    IN    NS    dns-at.rotld.ro.
ro.            172800    IN    NS    sec-dns-b.rotld.ro.
ro.            172800    IN    NS    sec-dns-a.rotld.ro.
;; Received 426 bytes from 2001:500:2f::f#53(2001:500:2f::f) in 3894 ms

ebsromania.ro.        86400    IN    NS    ns01.ebsromania.ro.
ebsromania.ro.        86400    IN    NS    ns02.ebsromania.ro.
;; Received 101 bytes from 81.91.161.99#53(81.91.161.99) in 1097 ms

ns01.ebsromania.ro.    86400    IN    A    193.239.218.2
ebsromania.ro.        86400    IN    NS    ns01.ebsromania.ro.
ebsromania.ro.        86400    IN    NS    ns02.ebsromania.ro.
;; Received 101 bytes from 193.239.218.12#53(193.239.218.12) in 89 ms


>From Denmark.
>
>  
>
> *From:*bind-users-bounces at lists.isc.org
> [mailto:bind-users-bounces at lists.isc.org] *On Behalf Of *Bob McDonald
> *Sent:* Monday, February 15, 2016 7:20 AM
> *To:* bind-users at lists.isc.org
> *Subject:* Questions about .ro domain
>
>  
>
> I'm having issues with resolution of a domain in the .ro TLD.
>
> See below:
>
> ; <<>> DiG 9.9.5-P1 <<>> @127.0.0.1 <http://127.0.0.1>
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>. +trace
> ; (1 server found)
> ;; global options: +cmd
> .                       263965  IN      NS      a.root-servers.net
> <http://a.root-servers.net>.
> .                       263965  IN      NS      j.root-servers.net
> <http://j.root-servers.net>.
> .                       263965  IN      NS      i.root-servers.net
> <http://i.root-servers.net>.
> .                       263965  IN      NS      d.root-servers.net
> <http://d.root-servers.net>.
> .                       263965  IN      NS      m.root-servers.net
> <http://m.root-servers.net>.
> .                       263965  IN      NS      b.root-servers.net
> <http://b.root-servers.net>.
> .                       263965  IN      NS      h.root-servers.net
> <http://h.root-servers.net>.
> .                       263965  IN      NS      c.root-servers.net
> <http://c.root-servers.net>.
> .                       263965  IN      NS      g.root-servers.net
> <http://g.root-servers.net>.
> .                       263965  IN      NS      e.root-servers.net
> <http://e.root-servers.net>.
> .                       263965  IN      NS      k.root-servers.net
> <http://k.root-servers.net>.
> .                       263965  IN      NS      f.root-servers.net
> <http://f.root-servers.net>.
> .                       263965  IN      NS      l.root-servers.net
> <http://l.root-servers.net>.
> .                       264673  IN      RRSIG   NS 8 0 518400
> 20160222050000 20160212040000 54549 .
> Qff4Qwn6BpFTL4MJy/ztLc+bH1PIMoNf00tfGvClLJ26IiodlKpl4Kvb
> bE/tWr1JsDg3uilNAG6nR967VufWZYhNngBNpGdYXMi+GTaM8o/R7wHL
> XIeijMj9v7tbNQza7JVMwxc/vF2nP4+xajbSiTZDDQeslkdpZJLl3njD Nw4=
> ;; Received 397 bytes from 127.0.0.1#53(127.0.0.1) in 6 ms
>
> ro.                     172800  IN      NS      dns-ro.denic.de
> <http://dns-ro.denic.de>.
> ro.                     172800  IN      NS      sec-dns-a.rotld.ro
> <http://sec-dns-a.rotld.ro>.
> ro.                     172800  IN      NS      dns-at.rotld.ro
> <http://dns-at.rotld.ro>.
> ro.                     172800  IN      NS      sec-dns-b.rotld.ro
> <http://sec-dns-b.rotld.ro>.
> ro.                     172800  IN      NS      primary.rotld.ro
> <http://primary.rotld.ro>.
> ro.                     172800  IN      NS      sns-pb.isc.org
> <http://sns-pb.isc.org>.
> ro.                     86400   IN      NSEC    rocher. NS RRSIG NSEC
> ro.                     86400   IN      RRSIG   NSEC 8 1 86400
> 20160225050000 20160215040000 54549 .
> LKnWJRnQdMQ67X7PVrChhY0CuT+A0hpLv1Yh2zOrdglKGGYFQGP+sO24
> A31Uj9g8SAKroH1XlJD000bhm+jTkd9Suf1uefDC8y3hV1HlmwkAzoIE
> cPQ1rKj66R0kVrEfsSYoXK7pau/mq583n7Hw24H6SSuWivQNbHUD+FLt 9rQ=
> ;; Received 624 bytes from 192.33.4.12#53(c.root-servers.net
> <http://c.root-servers.net>) in 7 ms
>
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns02.ebsromania.ro <http://ns02.ebsromania.ro>.
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>.
> ;; Received 112 bytes from 193.230.31.230#53(sec-dns-b.rotld.ro
> <http://sec-dns-b.rotld.ro>) in 20151 ms
>
> ;; connection timed out; no servers could be reached
>
> The server running the dig is in the US while a server in NL produces
> this:
>
> ; <<>> DiG 9.9.5-P1 <<>> @127.0.0.1 <http://127.0.0.1>
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>. +trace
> ; (1 server found)
> ;; global options: +cmd
> .                       92407   IN      NS      m.root-servers.net
> <http://m.root-servers.net>.
> .                       92407   IN      NS      b.root-servers.net
> <http://b.root-servers.net>.
> .                       92407   IN      NS      c.root-servers.net
> <http://c.root-servers.net>.
> .                       92407   IN      NS      g.root-servers.net
> <http://g.root-servers.net>.
> .                       92407   IN      NS      h.root-servers.net
> <http://h.root-servers.net>.
> .                       92407   IN      NS      j.root-servers.net
> <http://j.root-servers.net>.
> .                       92407   IN      NS      l.root-servers.net
> <http://l.root-servers.net>.
> .                       92407   IN      NS      a.root-servers.net
> <http://a.root-servers.net>.
> .                       92407   IN      NS      d.root-servers.net
> <http://d.root-servers.net>.
> .                       92407   IN      NS      e.root-servers.net
> <http://e.root-servers.net>.
> .                       92407   IN      NS      i.root-servers.net
> <http://i.root-servers.net>.
> .                       92407   IN      NS      f.root-servers.net
> <http://f.root-servers.net>.
> .                       92407   IN      NS      k.root-servers.net
> <http://k.root-servers.net>.
> .                       518398  IN      RRSIG   NS 8 0 518400
> 20160225050000 20160215040000 54549 .
> Sh3DsQaxrP1CC31ZxY3fzM2QHKGdZ0sKb3DxI1G974dvdxLubBK7vG5N
> 4A+Cshd8ci/zQmJw6ASWeYL5uUFrS4szqr05FMS8oNLLntbVVWoQTPld
> X+vfmAZo8wQPrVqBHwxJyFucJrWFZN4rWUdhvxrbkoMbYpeqDHGCDioR oow=
> ;; Received 397 bytes from 127.0.0.1#53(127.0.0.1) in 1124 ms
>
> ro.                     172800  IN      NS      dns-at.rotld.ro
> <http://dns-at.rotld.ro>.
> ro.                     172800  IN      NS      dns-ro.denic.de
> <http://dns-ro.denic.de>.
> ro.                     172800  IN      NS      sns-pb.isc.org
> <http://sns-pb.isc.org>.
> ro.                     172800  IN      NS      primary.rotld.ro
> <http://primary.rotld.ro>.
> ro.                     172800  IN      NS      sec-dns-a.rotld.ro
> <http://sec-dns-a.rotld.ro>.
> ro.                     172800  IN      NS      sec-dns-b.rotld.ro
> <http://sec-dns-b.rotld.ro>.
> ro.                     86400   IN      NSEC    rocher. NS RRSIG NSEC
> ro.                     86400   IN      RRSIG   NSEC 8 1 86400
> 20160225050000 20160215040000 54549 .
> LKnWJRnQdMQ67X7PVrChhY0CuT+A0hpLv1Yh2zOrdglKGGYFQGP+sO24
> A31Uj9g8SAKroH1XlJD000bhm+jTkd9Suf1uefDC8y3hV1HlmwkAzoIE
> cPQ1rKj66R0kVrEfsSYoXK7pau/mq583n7Hw24H6SSuWivQNbHUD+FLt 9rQ=
> ;; Received 624 bytes from 198.97.190.53#53(h.root-servers.net
> <http://h.root-servers.net>) in 436 ms
>
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns02.ebsromania.ro <http://ns02.ebsromania.ro>.
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>.
> ;; Received 112 bytes from 192.162.16.18#53(primary.rotld.ro
> <http://primary.rotld.ro>) in 147 ms
>
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>.     86400   IN     
> A       193.239.218.2
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns01.ebsromania.ro <http://ns01.ebsromania.ro>.
> ebsromania.ro <http://ebsromania.ro>.          86400   IN      NS     
> ns02.ebsromania.ro <http://ns02.ebsromania.ro>.
> ;; Received 112 bytes from 193.239.218.2#53(ns01.ebsromania.ro
> <http://ns01.ebsromania.ro>) in 51 ms
>
> Any insight as to what's wrong? The software and configurations are
> exactly the same. These are caching only servers.
>
> Regards,
>
> Bob
>
>
>
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>
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

       "MALE BOVINE MANURE!!!" 

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