7 / 10
Lookups
0
Issues
484,899
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
include:
sunet.se
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 mx include:sunet.se -all
mx include:_spf.sunet.se include:spf.protection.outlook.com include:mail.zendesk.com include:smtp.sunet.se ~all
5 x ip4 3 x ip6 ~all
6 x ip4 5 x ip6 -all
5 x ip4 ~all
2 x ip4 4 x ip6 ~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
