2 / 10
Lookups
0
Issues
3
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
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
172.81.183.156 / 32
pass
if the sender's IP is between
172.81.183.156 and 172.81.183.156 (inclusive).
172.81.183.156 and 172.81.183.156 (inclusive).
Cogent Communications
AS174
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a ip4:172.81.183.156 ~all