10 / 10
Lookups
1
Issue
12
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ip4:173.231.190.157/32 ip4:173.231.190.158/32 ip4:173.231.190.156/32 ip4:173.231.191.100/32 ip4:173.231.190.149/32 ip4:173.231.190.148/32 a mx ptr a:peer360.com a:peer360returns.com a:peer360returns1.com a:schooldismissalmanager.com mx:smtp1.peer36
0.com mx:smtp3.peer360.com mx:mail.schooldismissalmanager.com -all
Copied
Terms
ip4:
173.231.190.157 / 32
pass
if the sender's IP is between
173.231.190.157 and 173.231.190.157 (inclusive).
173.231.190.157 and 173.231.190.157 (inclusive).
Internap Holding
AS32475
or else
ip4:
173.231.190.158 / 32
pass
if the sender's IP is between
173.231.190.158 and 173.231.190.158 (inclusive).
173.231.190.158 and 173.231.190.158 (inclusive).
Internap Holding
AS32475
or else
ip4:
173.231.190.156 / 32
pass
if the sender's IP is between
173.231.190.156 and 173.231.190.156 (inclusive).
173.231.190.156 and 173.231.190.156 (inclusive).
Internap Holding
AS32475
or else
ip4:
173.231.191.100 / 32
pass
if the sender's IP is between
173.231.191.100 and 173.231.191.100 (inclusive).
173.231.191.100 and 173.231.191.100 (inclusive).
Internap Holding
AS32475
or else
ip4:
173.231.190.149 / 32
pass
if the sender's IP is between
173.231.190.149 and 173.231.190.149 (inclusive).
173.231.190.149 and 173.231.190.149 (inclusive).
Internap Holding
AS32475
or else
ip4:
173.231.190.148 / 32
pass
if the sender's IP is between
173.231.190.148 and 173.231.190.148 (inclusive).
173.231.190.148 and 173.231.190.148 (inclusive).
Internap Holding
AS32475
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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
a:
peer360.com
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
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
or else
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:173.231.190.157 ip4:173.231.190.158 ip4:173.231.190.156 ip4:173.231.191.100 ip4:173.231.190.149 ip4:173.231.190.148 a mx ptr a:peer360.com a:peer360returns.com a:peer360returns1.com a:schooldismissalmanager.com mx:smtp1.peer360.com mx:smtp3.peer360.com mx:mail.schooldismissalmanager.com -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable