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Lookups
1
Issue
4,112
IPv4 addresses
12
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 a mx ptr mx:hostglobe.com a:smtp.neospire.net ip4:67.208.34.25 ip4:66.111.96.0/20 ip4:67.208.36.142 ?all
Copied
Terms
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.
4 IPv4 addresses
4 IPv6 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
mx:
hostglobe.com
pass
if the sender's IP address is in the A or AAAA record of this domain.
8 IPv4 addresses
8 IPv6 addresses
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:
67.208.34.25 / 32
pass
if the sender's IP is between
67.208.34.25 and 67.208.34.25 (inclusive).
67.208.34.25 and 67.208.34.25 (inclusive).
Internap Holding
AS32475
or else
ip4:
66.111.96.0 / 20
pass
if the sender's IP is between
66.111.96.0 and 66.111.111.255 (inclusive).
66.111.96.0 and 66.111.111.255 (inclusive).
or else
ip4:
67.208.36.142 / 32
pass
if the sender's IP is between
67.208.36.142 and 67.208.36.142 (inclusive).
67.208.36.142 and 67.208.36.142 (inclusive).
Internap Holding
AS32475
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 a mx ptr mx:hostglobe.com a:smtp.neospire.net ip4:67.208.34.25 ip4:66.111.96.0/20 ip4:67.208.36.142 ?all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable