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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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“same glue” dns: glue records

Posted by jpluimers on 2013/04/12

If you ever get “same glue” messages when checking your comains (a lot of sites fail this, see these intodns.com or viewdns.info searches), you might wonder what DNS glue is.

DNS glue is needed when you provide the NS and A records for a domain on a host within the domain itself.

From inside that domain, this works, but from the outside, nobody knows how to resolve servers in that domain.

You need to have the registrar of that domain put the glue A records for the nameservers, so from outside the domain, you can find the nameservers, and via the nameservers you can resolve other DNS entries in the domain.

A few more detailed explanations:

–jeroen

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