Question and response
Question
dig mx.stackmail.com. SRV
Answer
The response has no answer records.
Authority
stackmail.com. 300 SOA ns1.stackdns.com. hostmaster.stackdns.com. 1666943089 1800 900 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0