4 / 10
Lookups
0
Issues
8
IPv4 addresses
4
IPv6 addresses
v=spf1 mx mx:techbriefs.com a a:contest.techbriefs.com ip4:54.165.188.221 -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
mx:
techbriefs.com
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
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
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
54.165.188.221 / 32
pass
if the sender's IP is between
54.165.188.221 and 54.165.188.221 (inclusive).
54.165.188.221 and 54.165.188.221 (inclusive).
Amazon.com
AS14618
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx mx:techbriefs.com a a:contest.techbriefs.com ip4:54.165.188.221 -all