hipio maps <anything>.<IP Address>.<domain> to the corresponding <IP Address>, e.g. 127.0.0.1.<domain> maps to 127.0.0.1
This is a stand-alone alternative to xip.io and nip.io, no PowerDNS required.
And it has tests.
hipio - Wildcard DNS Server for any IP Address
Usage: hipio DOMAIN [PORT] [-a RECORD] [--ns RECORD]
--soa-email EMAIL
hipio maps <anything>.<IP Address>.<domain> to the corresponding <IP Address>,
e.g. 127.0.0.1.<domain> maps to 127.0.0.1
Available options:
-h,--help Show this help text
DOMAIN Root wildcard domain.
PORT Listening port. (default: 53)
-a RECORD A record for DOMAIN
--ns RECORD NS record for DOMAIN
--soa-email EMAIL Email address for SOA record. Example:
admin.example.com
hipio logs DNS request activity to standard output in the form for jsonlines. Example of the output:
...
{"component":"UDP","domain":[],"time":"2020-09-14T08:19:16.9779543Z","level":"info","message":"","data":{"from":"127.0.0.1:57093","answer":"1.2.1.1","server":"ec2121e7bdd4","question":"1.2.1.1.example.com."}}
...