_pop3._tcp.puck.nether.NET has no CNAME records.
Question and response
Question
dig _pop3._tcp.puck.nether.NET. NS
Answer
The response has no answer records.
Authority
nether.NET. 2551 SOA puck.nether.NET. jared.puck.nether.NET. 2025090101 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0