6 / 10
Lookups
0
Issues
722,541
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:185.36.241.128/29 include:spf.protection.outlook.com include:_spf.cention.com include:sendgrid.net include:spf.mtasv.net include:mail.zendesk.com ~all
Copied
Terms
ip4:
185.36.241.128 / 29
pass
if the sender's IP is between
185.36.241.128 and 185.36.241.135 (inclusive).
185.36.241.128 and 185.36.241.135 (inclusive).
Viken Fiber AS
AS62225
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
include:
_spf.cention.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:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
include:
spf.mtasv.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Postmark
Email automation
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
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:185.36.241.128/29 include:spf.protection.outlook.com include:_spf.cention.com include:sendgrid.net include:spf.mtasv.net include:mail.zendesk.com ~all
6 x ip4 5 x ip6 -all
5 x ip4 -all
4 x ip4 -all
5 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