smtp2c.consultorpc.com has no NS records.
NS records for this zone are defined at consultorpc.com.
NS records for this zone are defined at consultorpc.com.
Question and response
Question
dig smtp2c.consultorpc.com. NS
Answer
The response has no answer records.
Authority
consultorpc.com. 1800 SOA olga.ns.cloudflare.com. dns.cloudflare.com. 2398370992 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0