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Thread: DNS Prognation

  1. #1
    Join Date
    Oct 2005
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    Widnes, England
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    593

    DNS Prognation

    Hello,

    If I move my website from one server to another, then change the DNS host records to the new IPs none of the websites should go down right?

    It should either show the old server or the new one. I'm having a problem where it says address not found as if the domain doesn't exist.

    Any suggestions?
    Sean

  2. #2
    Hi

    Domains should not go down if you have the old server and new server online. Once the change is completed sites should resolve from the new server. If you are getting address not found probably its a issue with DNS. Check the DNS report for the domain ( http://dnsreport.com/ and see what errors it represents.
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  3. #3
    Join Date
    Oct 2005
    Location
    Widnes, England
    Posts
    593
    A whois lookup shows the correct nameservers but domaintools shows the wrong server IP. I cannot use dnsreport because you need a paid account.

    Thanks
    Sean

  4. #4
    Join Date
    Nov 2005
    Location
    Romania
    Posts
    190
    Well, if you want to not have downtime, and have access to the servers ( root or reseller to edit the DNS ) edit the old servers DNS to point to the new location, and it will keep your site online until the DNS is fully switched to the new server.

  5. #5
    Join Date
    Sep 2004
    Location
    Beaverton, OR
    Posts
    261
    Quote Originally Posted by Kemik View Post
    Hello,

    If I move my website from one server to another, then change the DNS host records to the new IPs none of the websites should go down right?

    It should either show the old server or the new one. I'm having a problem where it says address not found as if the domain doesn't exist.

    Any suggestions?
    When you say you're changing the DNS host entries for a domain your referring to the "Hosts" associated with a domain and not the nameservers, correct?

    E.g., you had ns1.yourdomain.com @ 111.111.111.111 and you’re changing the IP host address for ns1.yourdomain.com to 222.222.222.222.

    If the answer is yes and you keep both nameserver's up during the propagation period then you should have no downtime. If you are seeing downtime then I would check to see which nameserver you're using and verify that it's functioning properly and the records are correct.

    You can use this online version of dig and just specify the IP's for the nameservers you wish to use: http://www.kloth.net/services/dig.php

    Regards,
    Jerret
    Last edited by RelativeDesign-Jerret; 05-22-2008 at 06:30 PM. Reason: typo

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