mx1.pabx-b2b-solutions.com has no SRV records.
Question and response
Question
dig mx1.pabx-b2b-solutions.com. SRV
Answer
The response has no answer records.
Authority
pabx-b2b-solutions.com. 300 SOA x.ns.joker.com. hostmaster.joker.com. 2025111452 14400 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0