218.interwave.ru has no CNAME records.
Question and response
Question
dig 218.interwave.ru. NS
Answer
The response has no answer records.
Authority
interwave.ru. 1577 SOA ns1.snparking.ru. hostmaster.interwave.ru. 2024101388 10800 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0