ded12c.envioep.com has no CNAME records.
Question and response
Question
dig ded12c.envioep.com. NS
Answer
The response has no answer records.
Authority
envioep.com. 86 SOA gemma.ns.cloudflare.com. dns.cloudflare.com. 2397112438 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0