4 / 10
Lookups
1
Issue
4
IPv4 addresses
3
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ptr ip4:96.126.123.93 ip6:2600:3c00::f03c:91ff:fe56:2b18 a:vpn.boxisoft.com ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
ptr:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
96.126.123.93 / 32
pass
if the sender's IP is between
96.126.123.93 and 96.126.123.93 (inclusive).
96.126.123.93 and 96.126.123.93 (inclusive).
Akamai Connected Cloud
AS63949
or else
ip6:
2600:3c00::f03c:91ff:fe56:2b18 / 128
pass
if the sender's IP is between
2600:3c00::f03c:91ff:fe56:2b18 and 2600:3c00::f03c:91ff:fe56:2b18 (inclusive).
2600:3c00::f03c:91ff:fe56:2b18 and 2600:3c00::f03c:91ff:fe56:2b18 (inclusive).
Akamai Connected Cloud
AS63949
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a ptr ip4:96.126.123.93 ip6:2600:3c00::f03c:91ff:fe56:2b18 a:vpn.boxisoft.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable