mail2.rtirecruitpoint.com has no SRV records.
Question and response
Question
dig mail2.rtirecruitpoint.com. SRV
Answer
The response has no answer records.
Authority
rtirecruitpoint.com. 60 SOA dc01exdnsgm.net.adp.com. hostmaster.adp.com. 2013032170 10800 3600 2592000 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0