Question and response
Question
dig smtp1.us.opalstack.com. SRV
Answer
The response has no answer records.
Authority
opalstack.com. 300 SOA ns3.us.opalstack.com. hostmaster.opalstack.com. 2026021703 10800 300 1814400 300
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0