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Lookups
1
Issue
220,677
IPv4 addresses
2.97 â‹… 10
28
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ptr include:_nets.opendns.com include:mail.zendesk.com include:amazonses.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ip4:173.37.147.246 ip4:173.37.147.247 ip4:72.163.7.179 ip4:72.163.7.180 ip4:192
.28.150.255 ?all
Copied
Terms
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
include:
_nets.opendns.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
mail.zendesk.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Zendesk
Helpdesk
or else
include:
amazonses.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Amazon SES
Email automation
or else
include:
_netblocks.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
_netblocks2.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
_netblocks3.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
ip4:
173.37.147.246 / 32
pass
if the sender's IP is between
173.37.147.246 and 173.37.147.246 (inclusive).
173.37.147.246 and 173.37.147.246 (inclusive).
CISCO SYSTEMS
AS109
or else
ip4:
173.37.147.247 / 32
pass
if the sender's IP is between
173.37.147.247 and 173.37.147.247 (inclusive).
173.37.147.247 and 173.37.147.247 (inclusive).
CISCO SYSTEMS
AS109
or else
ip4:
72.163.7.179 / 32
pass
if the sender's IP is between
72.163.7.179 and 72.163.7.179 (inclusive).
72.163.7.179 and 72.163.7.179 (inclusive).
CISCO SYSTEMS
AS109
or else
ip4:
72.163.7.180 / 32
pass
if the sender's IP is between
72.163.7.180 and 72.163.7.180 (inclusive).
72.163.7.180 and 72.163.7.180 (inclusive).
CISCO SYSTEMS
AS109
or else
ip4:
192.28.150.255 / 32
pass
if the sender's IP is between
192.28.150.255 and 192.28.150.255 (inclusive).
192.28.150.255 and 192.28.150.255 (inclusive).
Adobe
AS15224
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ptr include:_nets.opendns.com include:mail.zendesk.com include:amazonses.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ip4:173.37.147.246 ip4:173.37.147.247 ip4:72.163.7.179 ip4:72.163.7.180 ip4:192.28.150.255 ?all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
1 x ip6 6 x ip4 ?all
5 x ip4 ~all
12 x ip4 -all
2 x ip4 ~all
6 x ip6 ~all
