srv-web.webleasee.com has no CNAME records.
Question and response
Question
dig srv-web.webleasee.com. NS
Answer
The response has no answer records.
Authority
webleasee.com. 2287 SOA nsa.webleasee.com. fdelbo47.gmail.com. 2025061504 7200 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0