spf.mailrelay3.com MX records

MX Mail server
5m
smtp1.s.mailrelay3.com 1 Primary

Question and response

Question

dig spf.mailrelay3.com. MX

Answer

spf.mailrelay3.com. 300 MX 1 smtp1.s.mailrelay3.com.

Authority

The response has no authority records.

Additional

smtp1.s.mailrelay3.com. 300 A 185.103.9.240 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0