efa.ukrpack.net has no CNAME records.
Question and response
Question
dig efa.ukrpack.net. NS
Answer
The response has no answer records.
Authority
ukrpack.net. 1607 SOA AlphaSite.ukrpack.net. postmaster.alphasite.ukrpack.net. 2025111707 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0