1 / 10
Lookups
0
Issues
2
IPv4 addresses
0
IPv6 addresses
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
66.244.67.50 / 32
pass
if the sender's IP is between
66.244.67.50 and 66.244.67.50 (inclusive).
66.244.67.50 and 66.244.67.50 (inclusive).
Cornerstone Information Systems
AS62945
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ip4:66.244.67.50 ~all