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Recent questions tagged glue-record
If the nameservers for a domain (e.g.
ns1.example.com) are members of that same domain (example.com) DNS would normally be unable to resolve the domain (ns1.example.com must be known to resolve example.com, example.com must be known to resolve ns1.example.com). This circular dependency is broken up by so-called glue records in the parent zone (com for example.com), which are typically created by domain registrars.
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