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Thread: DNS Issue, not resolving
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10-28-2009, 11:42 AM #1Web Hosting Guru
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DNS Issue, not resolving
Hi,
Suddenly, without warning OpenDNS's 208.67.222.222 stopped resolving correctly an A record of one of our domain. But 208.67.220.220 works without any problem.
This just happened 5 minutes ago while working on this particular subdomain where I got DNS-not-resolving issues.
Nothing was changed to the DNS since I do not have access to it.
What could be wrong?
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10-28-2009, 12:17 PM #2Web Hosting Master
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Greetings:
Have you contacted OpenDNS to find out?
Thank you.
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10-28-2009, 02:10 PM #3Web Hosting Guru
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Just got my zone file from my host. Could there be anything wrong?
Code:$ORIGIN . $TTL 4200 ; 1 hour 10 minutes mydomain.com IN SOA dns1.myhost.net. hostmaster.myhost.net. ( 2009101500 ; serial 3600 ; refresh (1 hour) 900 ; retry (15 minutes) 604800 ; expire (1 week) 43200 ; minimum (12 hours) ) NS dns1.myhost.net. NS dns2.myhost.net. A 204.19.###.### MX 1 mail.mydomain.com. $ORIGIN mydomain.com. client A 98.143.###.### ftp A 204.19.###.### levis A 76.65.###.### m A 204.19.###.### mail A 204.19.###.### pop3 A 204.19.###.### www A 204.19.###.###
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10-28-2009, 02:28 PM #4Web Hosting Master
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What does these result?
Code:dig @server_IP domain.com dig @server_IP sub.domain.com
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10-28-2009, 02:33 PM #5Web Hosting Guru
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Both work without problem giving me the proper information. Tried using @server_IP for both name server also.
This is kind of a bump of thread I started a few days ago (http://www.webhostingtalk.com/showthread.php?t=898945)
During lunch time, OpenDNS stopped resolving my subdomain.
Code:nslookup - 208.67.222.222 > client.domain.com
But since 15 days,
Code:nslookup - 207.164.234.129 client.mydomain.com
Last edited by Christian; 10-28-2009 at 08:55 PM.
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10-28-2009, 02:50 PM #6Web Hosting Guru
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Well my host just recreated my zone file and everything works now
Odd...
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10-28-2009, 08:48 PM #7Web Hosting Master
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hmm... maybe the serial needed to be updated
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10-29-2009, 02:25 AM #8Web Hosting Guru
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It is recommended that you directly query the authoritative name server IP address for the Fully Qualified Domain name and determine if the DNS record resolves. If it does, then it's a problem of the local resolver you're using else try reloading the DNS zone file in that respective name server after incrementing the serial and check /var/log/messages.
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