15 / 10
Lookups
1
Issue
992,546
IPv4 addresses
7.92 â‹… 10
28
IPv6 addresses
More than 10 DNS lookups were required to process this SPF record.
v=spf1 mx a include:spf.protection.outlook.com include:spf.nl2go.com include:spf.server-he.de include:mail.zendesk.com ip4:91.228.144.57 ip4:91.228.144.91 ip4:54.240.56.78 ip4:54.240.56.79 ip4:62.138.90.251 ip4:88.198.181.218 include:eu.zcsend.net -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
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.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.server-he.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:
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
ip4:
91.228.144.57 / 32
pass
if the sender's IP is between
91.228.144.57 and 91.228.144.57 (inclusive).
91.228.144.57 and 91.228.144.57 (inclusive).
or else
ip4:
91.228.144.91 / 32
pass
if the sender's IP is between
91.228.144.91 and 91.228.144.91 (inclusive).
91.228.144.91 and 91.228.144.91 (inclusive).
or else
ip4:
54.240.56.78 / 32
pass
if the sender's IP is between
54.240.56.78 and 54.240.56.78 (inclusive).
54.240.56.78 and 54.240.56.78 (inclusive).
Amazon.com
AS16509
or else
ip4:
54.240.56.79 / 32
pass
if the sender's IP is between
54.240.56.79 and 54.240.56.79 (inclusive).
54.240.56.79 and 54.240.56.79 (inclusive).
Amazon.com
AS16509
or else
ip4:
62.138.90.251 / 32
pass
if the sender's IP is between
62.138.90.251 and 62.138.90.251 (inclusive).
62.138.90.251 and 62.138.90.251 (inclusive).
PlusServer
AS61157
or else
ip4:
88.198.181.218 / 32
pass
if the sender's IP is between
88.198.181.218 and 88.198.181.218 (inclusive).
88.198.181.218 and 88.198.181.218 (inclusive).
Hetzner Online
AS24940
or else
include:
eu.zcsend.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
-all
fail
the email's SPF check.
Included records
v=spf1 mx a include:spf.protection.outlook.com include:spf.nl2go.com include:spf.server-he.de include:mail.zendesk.com ip4:91.228.144.57 ip4:91.228.144.91 ip4:54.240.56.78 ip4:54.240.56.79 ip4:62.138.90.251 ip4:88.198.181.218 include:eu.zcsend.net -all
More than 10 DNS lookups were required to process this SPF record
6 x ip4 5 x ip6 -all
include:spf1.nl2go.com include:spf2.nl2go.com include:spf3.nl2go.com 6 x ip4 ~all
9 x ip4 include:spfb.server-he.de -all
6 x ip4 include:spfc.server-he.de include:secureserver.net -all
6 x ip4 2 x ip6 -all
include:spf-0.secureserver.net -all
32 x ip4 include:spf.protection.outlook.com -all
6 x ip4 5 x ip6 -all
5 x ip4 ~all
4 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
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