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PixelPaul
Asked: 2019-10-16 19:44:31 +0800 CST

Why am I having wrong IPs in my DNS?

  • 772

I have a certain domain I manage, which was moved to DNSmadeeasy a week ago. But sometimes when I do a dig request I get a weird IP back on the A record: 166.62.3.1

Others are reporting the same, from different locations. It seems to be random though, as most report the correct IP.

DNSmadeeasy say nothing is wrong in their end as usual, so I have no idea how this IP is getting out there.

The domain is: elyseecollective.com.au

Some dig results are here

domain-name-system

2 Answers

  1. Best Answer

    The authoritative answers for the ns{1-6}.maccentrecloud.com.au names point to:

    ns1.maccentrecloud.com.au. 1800 IN      A       208.94.148.4
ns2.maccentrecloud.com.au. 1800 IN      A       208.80.124.4
ns3.maccentrecloud.com.au. 1800 IN      A       208.80.126.4
ns4.maccentrecloud.com.au. 1800 IN      A       208.80.125.4
ns5.maccentrecloud.com.au. 1800 IN      A       208.80.127.4
ns6.maccentrecloud.com.au. 1800 IN      A       208.94.149.4

    But the glue records don't quite match:

    ns1.maccentrecloud.com.au. 900  IN      A       208.94.148.4
ns2.maccentrecloud.com.au. 900  IN      A       112.140.180.10
ns3.maccentrecloud.com.au. 900  IN      A       208.80.126.4
ns4.maccentrecloud.com.au. 900  IN      A       208.80.125.4
ns5.maccentrecloud.com.au. 900  IN      A       208.80.127.4
ns6.maccentrecloud.com.au. 900  IN      A       208.94.149.4

    Update the glue (through the registrar for maccentrecloud.com.au).

    (ns2.maccentrecloud.com.au. / 112.140.180.10 responds differently, and the bad glue puts it into the mix of who should be queried)

    • 23

  2. You have 6 name servers. 2 of them have the wrong zone information. Thus most of the time the answers are correct, but occasionally you hit a bad DNS server.

    I'm not at my PC at the moment but you can check what each server is returning with a command like

      dig @nsX.maccentrecloud.com.au elyseecollective.com.au A

    For each nameserver and find the faulty ones. Then get the DNS provider to fix them or remove them from your registrars name server records for the domain.

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