11 / 10
Lookups
1
Issue
721,954
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
More than 10 DNS lookups were required to process this SPF record.
v=spf1 include:spf.protection.outlook.com a:postal.infernocomms.net include:spf.deskpro.com include:mail.zendesk.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
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
include:
spf.deskpro.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
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com a:postal.infernocomms.net include:spf.deskpro.com include:mail.zendesk.com -all
More than 10 DNS lookups were required to process this SPF record
6 x ip4 5 x ip6 -all
a mx 2 x ip4 mx:cloudmail.serv.deskpro.com a:cloudweb01.serv.deskpro.com mx:sendgrid.net include:sendgrid.net ?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
