smtp.myfibermail.com has no NS records.
NS records for this zone are defined at myfibermail.com.
NS records for this zone are defined at myfibermail.com.
Question and response
Question
dig smtp.myfibermail.com. NS
Answer
The response has no answer records.
Authority
myfibermail.com. 86400 SOA ns1.epbinternet.com. poc.epbinternet.com. 2026022001 10802 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0