ns3.pin.se has no CNAME records.
Question and response
Question
dig ns3.pin.se. NS
Answer
The response has no answer records.
Authority
pin.se. 1017 SOA ns1.pin.se. registry.pin.se. 2026020903 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0