6 / 10
Lookups
1
Issue
485,269
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
No SPF record found for spf.inv.sikkermail.nu.
v=spf1 a ip4:91.236.186.0/24 include:spf.inv.sikkermail.nu include:spf.protection.outlook.com include:mail.zendesk.com include:spf-de.emailsignatures365.com include:send.heyloyalty.com -all
Copied
Terms
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
91.236.186.0 / 24
pass
if the sender's IP is between
91.236.186.0 and 91.236.186.255 (inclusive).
91.236.186.0 and 91.236.186.255 (inclusive).
or else
include:
spf.inv.sikkermail.nu
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
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:
spf-de.emailsignatures365.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:
send.heyloyalty.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 a ip4:91.236.186.0/24 include:spf.inv.sikkermail.nu include:spf.protection.outlook.com include:mail.zendesk.com include:spf-de.emailsignatures365.com include:send.heyloyalty.com -all
No SPF record
6 x ip4 5 x ip6 -all
5 x ip4 ~all
4 x ip4 -all
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
