mx.catholicretreats.online has no NS records.
NS records for this zone are defined at catholicretreats.online.
NS records for this zone are defined at catholicretreats.online.
Question and response
Question
dig mx.catholicretreats.online. NS
Answer
The response has no answer records.
Authority
catholicretreats.online. 3600 SOA dns.catholicretreats.online. hostmaster.catholicretreats.online. 1731975508 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0