esxi-2.cvt19.led.GBlNET.net has no CNAME records.
Question and response
Question
dig esxi-2.cvt19.led.GBlNET.net. NS
Answer
The response has no answer records.
Authority
led.GBlNET.net. 5340 SOA ns.gblnet.ru. vvv.gblnet.ru. 2026022701 604800 86400 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0