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Thread: "Looping" DNS?

  1. #1

    "Looping" DNS?

    We changed the nameservers on a domain registered at NetSol. Both the before and after nameservers were third-party, not NetSol. But, after four days, it still wasn't working. When we did a query, we'd get stuck in some kind of loop.

    Thinking it might be a problem with the third-party nameserver, we changed it to NetSol's own managed nameservers to see what would happen. But here we are, days later, and it's still looping.

    What makes this happen? It's just a simple A record pointing to an IP address, the same way we've set up hundreds of others without trouble. I've posted a sample of what we're getting below. Notice how it resolves to the right nameserver, ns95.worldnic.com. But instead of getting an answer with the IP address, it just refers back out to a root server. This is the same thing it did with the previous nameserver, showing the other nameserver instead of the worldnic one, and it also just referred back to a root server.

    Thanks.

    ===

    Searching for <domain>.org A record at g.root-servers.net [192.112.36.4]: Got referral to
    TLD5.ULTRADNS.INFO. [took 149 ms]
    Searching for <domain>.org A record at TLD5.ULTRADNS.INFO. [192.100.59.11]: Got referral
    to ns95.worldnic.com. [took 5 ms]
    Searching for <domain>.org A record at ns95.worldnic.com. [216.168.228.50]: Got referral
    to I.ROOT-SERVERS.NET. [took 8 ms]
    Searching for <domain>.org A record at I.ROOT-SERVERS.NET. [192.36.148.17]: Got referral
    to TLD4.ULTRADNS.org. [took 4 ms]
    Searching for <domain>.org A record at TLD4.ULTRADNS.org. [199.7.67.1]: Got referral to
    ns95.worldnic.com. [took 10 ms]
    Searching for <domain>.org A record at ns95.worldnic.com. [216.168.228.50]: Got referral
    to K.ROOT-SERVERS.NET. [took 6 ms]
    Searching for <domain>.org A record at K.ROOT-SERVERS.NET. [193.0.14.129]: Got referral to
    tld1.ultradns.net. [took 84 ms]
    Searching for <domain>.org A record at tld1.ultradns.net. [204.74.112.1]: Got referral to
    ns96.worldnic.com. [took 2 ms]
    Searching for <domain>.org A record at ns96.worldnic.com. [216.168.225.236]: Got referral
    to L.ROOT-SERVERS.NET. [took 7 ms]
    Searching for <domain>.org A record at L.ROOT-SERVERS.NET. [198.32.64.12]: Got referral to
    TLD1.ULTRADNS.NET. [took 73 ms]
    Searching for <domain>.org A record at TLD1.ULTRADNS.NET. [204.74.112.1]: Got referral to
    ns96.worldnic.com. [took 3 ms]
    Searching for <domain>.org A record at ns96.worldnic.com. [216.168.225.236]: Got referral
    to B.ROOT-SERVERS.NET. [took 7 ms]
    Searching for <domain>.org A record at B.ROOT-SERVERS.NET. [192.228.79.201]: Got referral
    to TLD6.ULTRADNS.CO.UK. [took 86 ms]
    Searching for <domain>.org A record at TLD6.ULTRADNS.CO.UK. [198.133.199.11]: Got referral
    to ns95.worldnic.com. [took 18 ms]
    Searching for <domain>.org A record at ns95.worldnic.com. [216.168.228.50]: Got referral
    to F.ROOT-SERVERS.NET. [took 6 ms]
    Searching for <domain>.org A record at F.ROOT-SERVERS.NET. [192.5.5.241]: Got referral to
    TLD1.ULTRADNS.NET. [took 54 ms]
    Searching for <domain>.org A record at TLD1.ULTRADNS.NET. [204.74.112.1]: Got referral to
    ns95.worldnic.com. [took 3 ms]
    Searching for <domain>.org A record at ns95.worldnic.com. [216.168.228.50]: Got referral
    to H.ROOT-SERVERS.NET. [took 5 ms]
    Searching for <domain>.org A record at H.ROOT-SERVERS.NET. [128.63.2.53]: Got referral to
    TLD2.ULTRADNS.NET. [took 11 ms]
    Searching for <domain>.org A record at TLD2.ULTRADNS.NET. [204.74.113.1]: Got referral to
    ns96.worldnic.com. [took 14 ms]

  2. #2
    ns95.worldnic.com does not have any information for your zone and it is just returning the default root list of name servers which starts the circle all over again.

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