spf.ungleich.ch has no CNAME records.
Question and response
Question
dig spf.ungleich.ch. NS
Answer
The response has no answer records.
Authority
ungleich.ch. 600 SOA dns3.ungleich.ch. root.ungleich.ch. 2025092900 7200 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0