Bind

Berkeley Internet Name Domain, also known as named

Homepage

Documentation

• Manuals
• Named logging
• Understanding DNS—anatomy of a BIND zone file

HOWTO

add rndc

https://linuxconfig.org/configure-rndc-key-for-bind-dns-server-on-centos-7

FAQ

CNAME and other data

named-checkconf -z

should point at the line problem

xfer-in failed while receiving responses: NOTAUTH

Server Not Authoritative for zone,

host unreachable resolving 'ns4-34.azure-dns.info/A/IN': 208.84.5.1#53

Means 208.84.5.1 failed to respond, probably temporarily.