relay2.ttk.ru has no CNAME records.
Question and response
Question
dig relay2.ttk.ru. NS
Answer
The response has no answer records.
Authority
ttk.ru. 1954 SOA dns-prim.transtk.ru. nsmaster.transtk.ru. 2026030605 10800 900 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0