1 / 10
Lookups
0
Issues
2
IPv4 addresses
0
IPv6 addresses
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
20.51.229.21 / 32
pass
if the sender's IP is between
20.51.229.21 and 20.51.229.21 (inclusive).
20.51.229.21 and 20.51.229.21 (inclusive).
Microsoft
AS8075
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a ip4:20.51.229.21 ~all