sapsf.com MX records

MX Mail server
1h
mail17a.sapsf.com 100 Primary
mail17b.sapsf.com 100 Primary

Question and response

Question

dig sapsf.com. MX

Answer

sapsf.com. 3600 MX 100 mail17a.sapsf.com. sapsf.com. 3600 MX 100 mail17b.sapsf.com.

Authority

The response has no authority records.

Additional

mail17b.sapsf.com. 3600 A 52.228.105.245 mail17a.sapsf.com. 3600 A 52.228.106.137 . 0 OPT ; payload 4096, xrcode 0, version 0, flags 0