14 / 10
Lookups
1
Issue
459,491
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
More than 10 DNS lookups were required to process this SPF record.
v=spf1 ip4:158.181.50.66 ip6:2a00:6140:a000:8f::15 a mx include:_spf.internet1.de include:spf.nl2go.com include:spf.protection.outlook.com -all
Copied
Terms
ip4:
158.181.50.66 / 32
pass
if the sender's IP is between
158.181.50.66 and 158.181.50.66 (inclusive).
158.181.50.66 and 158.181.50.66 (inclusive).
Optitrust
AS200062
or else
ip6:
2a00:6140:a000:8f::15 / 128
pass
if the sender's IP is between
2a00:6140:a000:8f::15 and 2a00:6140:a000:8f::15 (inclusive).
2a00:6140:a000:8f::15 and 2a00:6140:a000:8f::15 (inclusive).
Optitrust
AS200062
or else
a
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
mx
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.internet1.de
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
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
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:158.181.50.66 ip6:2a00:6140:a000:8f::15 a mx include:_spf.internet1.de include:spf.nl2go.com include:spf.protection.outlook.com -all
More than 10 DNS lookups were required to process this SPF record
include:_01._spf.internet1.de include:_02._spf.internet1.de include:_03._spf.internet1.de include:_04._spf.internet1.de include:_05._spf.internet1.de include:_06._spf.internet1.de -all
10 x ip4 -all
8 x ip6 -all
7 x ip4 2 x ip6 -all
8 x ip4 1 x ip6 -all
5 x ip6 3 x ip4 -all
3 x ip6 3 x ip4 -all
include:spf1.nl2go.com include:spf2.nl2go.com include:spf3.nl2go.com 6 x ip4 ~all
6 x ip4 5 x ip6 -all
IP ranges
Optitrust
AS200062
2a00:6140:a000:a110::
2a00:6140:a000:a110:ffff:ffff:ffff:ffff
Optitrust
AS200062
2a00:6140:a000:a111::
2a00:6140:a000:a111:ffff:ffff:ffff:ffff
Optitrust
AS200062
2a00:6140:a000:a112::
2a00:6140:a000:a112:ffff:ffff:ffff:ffff
Optitrust
AS200062
2a00:6140:a000:a113::
2a00:6140:a000:a113:ffff:ffff:ffff:ffff
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