ns0.wikimedia.org has no CNAME records.
Question and response
Question
dig ns0.wikimedia.org. NS
Answer
The response has no answer records.
Authority
wikimedia.org. 187 SOA ns0.wikimedia.org. hostmaster.wikimedia.org. 2026022002 43200 7200 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0