mail.vhsmail.vodafone.com has no SRV records.
Question and response
Question
dig mail.vhsmail.vodafone.com. SRV
Answer
The response has no answer records.
Authority
vodafone.com. 900 SOA ns1.vodafone.com. hostmaster.vodafone.com. 2008109978 28800 7200 604800 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0