sw-proxy01.stiftung-warentest.de has no CNAME records.
Question and response
Question
dig sw-proxy01.stiftung-warentest.de. NS
Answer
The response has no answer records.
Authority
stiftung-warentest.de. 180 SOA anycast.iwelt.de. domainmaster.iwelt-ag.net. 2026020300 43200 7200 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0