9 / 10
Lookups
0
Issues
465,552
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 a:smtp.3u.net ip4:81.209.151.4 include:spf.protection.outlook.com include:mailing.eqs.com include:spf.nl2go.com a:mout.kundenserver.de -all
Copied
Terms
a:
smtp.3u.net
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
81.209.151.4 / 32
pass
if the sender's IP is between
81.209.151.4 and 81.209.151.4 (inclusive).
81.209.151.4 and 81.209.151.4 (inclusive).
3U TELECOM
AS198710
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:
mailing.eqs.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:
spf.nl2go.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
pass
if the sender's IP address is in the A or AAAA record of this domain.
12 IPv4 addresses
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a:smtp.3u.net ip4:81.209.151.4 include:spf.protection.outlook.com include:mailing.eqs.com include:spf.nl2go.com a:mout.kundenserver.de -all
6 x ip4 5 x ip6 -all
include:spf1.nl2go.com include:spf2.nl2go.com include:spf3.nl2go.com 6 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