10 / 10
Lookups
1
Issue
552,650
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 include:spf.protection.outlook.com include:_spf-comp.clickmeeting.com include:_spf-trans.clickmeeting.com include:_spf-cust.clickmeeting.com -all
Copied
Terms
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
include:
_spf-comp.clickmeeting.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-trans.clickmeeting.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-cust.clickmeeting.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
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com include:_spf-comp.clickmeeting.com include:_spf-trans.clickmeeting.com include:_spf-cust.clickmeeting.com -all
6 x ip4 5 x ip6 -all
include:mx.ovh.com -all
ptr:mail-out.ovh.net ptr:mail.ovh.net 2 x ip4 ?all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
include:_spf.getresponse.com 4 x ip4 include:amazonses.com -all
4 x ip4 -all
12 x ip4 -all
a:smtp-out.clickmeeting.com 3 x ip4 -all
IP ranges
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
