outboundmail.blackbaud.net has no SRV records.
Question and response
Question
dig outboundmail.blackbaud.net. SRV
Answer
The response has no answer records.
Authority
blackbaud.net. 60 SOA ns1.p13.dynect.net. dns.jomax.net. 2023050102 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0