DNS not resolving on google, but is on other services
G.W. Haywood
bind at jubileegroup.co.uk
Sat Feb 17 12:48:14 UTC 2018
Hi there,
On Sat, 17 Feb 2018, LuKreme wrote:
> ... Is google just b0rked? ...
You might need to look closer to home.
You claim three nameservers, but it appears that they're all on the
same network segment - a *really* bad idea - and one of them doesn't
respond to DNS requests, using IPs located both here in the UK and
way over in the western USA:
8<----------------------------------------------------------------------
laptop3:~$ >>> dig www.david-dodge.com
[snip]
;; ANSWER SECTION:
www.david-dodge.com. 86349 IN CNAME www.covisp.net.
www.covisp.net. 86361 IN A 65.121.55.45
;; AUTHORITY SECTION:
covisp.net. 172119 IN NS ns2.covisp.net.
covisp.net. 172119 IN NS ns3.covisp.net.
covisp.net. 172119 IN NS ns1.covisp.net.
[snip]
8<----------------------------------------------------------------------
laptop3:~$ >>> dig @ns1.covisp.net -t any covisp.net
[snip]
;; ANSWER SECTION:
covisp.net. 86400 IN SOA ns1.covisp.net. root.covisp.net. 2018020300 14400 1800 1209600 3600
covisp.net. 172800 IN NS ns1.covisp.net.
covisp.net. 172800 IN NS ns2.covisp.net.
covisp.net. 172800 IN NS ns3.covisp.net.
covisp.net. 172800 IN MX 10 mail.covisp.net.
covisp.net. 86400 IN TXT "v=spf1 mx a ip4:65.121.55.42/32 -all"
covisp.net. 86400 IN TXT "google-site-verification=6rB9Dkgu8_hfTbLiieRTAkvFitENOvyszmzoAu1N27U"
covisp.net. 86400 IN A 65.121.55.42
;; ADDITIONAL SECTION:
ns1.covisp.net. 172800 IN A 65.121.55.42
ns2.covisp.net. 172800 IN A 65.121.55.43
ns3.covisp.net. 172800 IN A 65.121.55.45
mail.covisp.net. 172800 IN A 65.121.55.42
[snip]
8<----------------------------------------------------------------------
laptop3:~$ >>> dig @ns3.covisp.net -t any covisp.net
; <<>> DiG 9.10.3-P4-Debian <<>> @ns3.covisp.net -t any covisp.net
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
8<----------------------------------------------------------------------
However ns3 responds to 'ping'
8<----------------------------------------------------------------------
laptop3:~$ >>> ping ns3.covisp.net
PING ns3.covisp.net (65.121.55.45) 56(84) bytes of data.
64 bytes from www.covisp.net (65.121.55.45): icmp_seq=1 ttl=49 time=141 ms
64 bytes from www.covisp.net (65.121.55.45): icmp_seq=2 ttl=49 time=141 ms
64 bytes from www.covisp.net (65.121.55.45): icmp_seq=3 ttl=49 time=141 ms
...
8<----------------------------------------------------------------------
Maybe the nameserver just isn't running?
Perhaps you should look into one of the free DNS slave services.
--
73,
Ged.
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