1 / 10
Lookups
0
Issues
4
IPv4 addresses
0
IPv6 addresses
Terms
mx:
computer42.org
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx:computer42.org -all