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Lookups
1
Issue
511,208
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 ptr ptr:datapipe.net ip4:69.20.92.138 ip4:69.20.40.89 ip4:69.20.103.147 ip4:69.20.40.94 ip4:69.20.104.41 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com ~all
Copied
Terms
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ptr:
datapipe.net
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
69.20.92.138 / 32
pass
if the sender's IP is between
69.20.92.138 and 69.20.92.138 (inclusive).
69.20.92.138 and 69.20.92.138 (inclusive).
Rackspace Hosting
AS27357
or else
ip4:
69.20.40.89 / 32
pass
if the sender's IP is between
69.20.40.89 and 69.20.40.89 (inclusive).
69.20.40.89 and 69.20.40.89 (inclusive).
Rackspace Hosting
AS27357
or else
ip4:
69.20.103.147 / 32
pass
if the sender's IP is between
69.20.103.147 and 69.20.103.147 (inclusive).
69.20.103.147 and 69.20.103.147 (inclusive).
Rackspace Hosting
AS27357
or else
ip4:
69.20.40.94 / 32
pass
if the sender's IP is between
69.20.40.94 and 69.20.40.94 (inclusive).
69.20.40.94 and 69.20.40.94 (inclusive).
Rackspace Hosting
AS27357
or else
ip4:
69.20.104.41 / 32
pass
if the sender's IP is between
69.20.104.41 and 69.20.104.41 (inclusive).
69.20.104.41 and 69.20.104.41 (inclusive).
Rackspace Hosting
AS27357
or else
include:
spf_a.rackspace.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:
spf_b.rackspace.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:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ptr ptr:datapipe.net ip4:69.20.92.138 ip4:69.20.40.89 ip4:69.20.103.147 ip4:69.20.40.94 ip4:69.20.104.41 include:spf_a.rackspace.com include:spf_b.rackspace.com include:spf.protection.outlook.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
32 x ip4 -all
88 x ip4 -all
6 x ip4 5 x ip6 -all
IP ranges
120.136.34.40
/ 31
Rackspace IT Hosting AS IT Hosting Provider Hong Kong
AS45187
120.136.34.40 - 120.136.34.41
2 IP addresses
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff