7 / 10
Lookups
1
Issue
545,796
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
MX host mx0.mailinblack.com has no A/AAAA records, so this SPF term could not be expanded into IP addresses.
v=spf1 a mx include:m52.kairn.net include:spf.protection.outlook.com include:spf.sendinblue.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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
m52.kairn.net
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:
spf.sendinblue.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Brevo
Email marketing
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a mx include:m52.kairn.net include:spf.protection.outlook.com include:spf.sendinblue.com ~all
a mx -all
6 x ip4 5 x ip6 -all
10 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