spf2.nl2go.com has no CNAME records.
Question and response
Question
dig spf2.nl2go.com. NS
Answer
The response has no answer records.
Authority
nl2go.com. 367 SOA ns1.first-ns.de. dns.hetzner.com. 2025101303 14400 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0