DNS records for www.github.com
0 of 13 record types looked up…
Records belong to www.github.com unless another name is shown.
This domain doesn’t exist
The DNS reports that www.github.com does not exist (NXDOMAIN). Check the spelling. The domain may also be unregistered or expired.
The lookup didn’t complete
No record type could be looked up. This doesn’t mean www.github.com is broken: a resolver, or the connection to digwolf, may be slow or unreachable, so trying again often works.
Some lookups failed
Lookups for didn’t complete, so the results below are incomplete. Every other record type answered normally.
DNSSEC validation failed
Validating resolvers rejected the answers for because DNSSEC validation failed. Resolvers that check DNSSEC will refuse these records. Each record type below says whether a second resolver confirmed the failure.
Resolvers disagree about DNSSEC
For , one validating resolver reported a DNSSEC failure while another returned validated answers. digwolf shows the validated answers with a warning; Lookup details at the bottom of the page lists both results.
No records found
www.github.com exists, but has none of the 13 record types digwolf looks up. That isn’t necessarily a fault: a name can exist without any of them.
This name is an alias
www.github.com is a CNAME for , so its address records belong to that name.
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