ns2.vpsecomputer.com has no CNAME records.
Question and response
Question
dig ns2.vpsecomputer.com. NS
Answer
The response has no answer records.
Authority
vpsecomputer.com. 6040 SOA ns2.vpsecomputer.com. sistemas.ecomputer.es. 2026020602 10800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0