ns2.wikimedia.org has no CNAME records.
Question and response
Question
dig ns2.wikimedia.org. NS
Answer
The response has no answer records.
Authority
wikimedia.org. 168 SOA ns0.wikimedia.org. hostmaster.wikimedia.org. 2026022002 43200 7200 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0