[Pdns-users] Return CNAME or other alias backend as A

Daniel Miller dmiller at amfes.com
Wed Feb 5 20:31:07 UTC 2020

Does PowerDNS have anything built-in that would allow aliased records returned as A records? In other words:
example.com       86400   IN      CNAME cloud1.example.com.example.com       86400   IN      MX      10 mail.example.com.

example.com       86400   IN      NS      ns1.example.com.
example.com       86400   IN      NS      ns2.example.com.
example.com       86400   IN      SOA     ns1.example.com hostmaster.example.com 2020020500 28800 7200 604800 86400
cloud1.example.com        86400   IN      A
mail.example.com        86400   IN      CNAME cloud1.example.comns1.example.com        86400   IN      CNAME cloud1.example.com

ns2.example.com        86400   IN      CNAME cloud1.example.com
The above domain would be invalid as CNAME's are illegal for MX and NS records. But is there perhaps a configuration setting that would have PowerDNS internally resolve and return the CNAMEs as the correct A records - so any query of this authoritative server would never see CNAMEs?
Could this perhaps be done via Lua?
Given modern editors and interfaces I know it's not a major undertaking to update multiple records as IP addresses change - but still it would be nice to have the convenience of updating records to the minimum extent possible.
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