ns4.telecom3.net has no CNAME records.
Question and response
Question
dig ns4.telecom3.net. NS
Answer
The response has no answer records.
Authority
telecom3.net. 406 SOA ns1.a3network.se. a3foretag.dinsupport.se. 2025100700 14400 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0