7 / 10
Lookups
1
Issue
462,477
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 include:spf.flexmail.eu a mx ptr ip4:198.37.149.63 ip4:217.21.177.125 ip4:217.21.178.20 ip4:217.21.178.20/32 ip4:217.21.178.21/32 ip4:217.21.178.11/32 ip4:217.21.178.56/32 ip4:217.21.178.57/32 ip4:178.208.39.142/32 ip4:178.208.39.141/32 ip4:178.208
.39.140/32 ip4:178.208.39.143/32 include:_spf.relay.mailprotect.be include:spf.protection.outlook.com +ip4:87.238.160.0/21 -all
Copied
Terms
include:
spf.flexmail.eu
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
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.
8 IPv4 addresses
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
ip4:
198.37.149.63 / 32
pass
if the sender's IP is between
198.37.149.63 and 198.37.149.63 (inclusive).
198.37.149.63 and 198.37.149.63 (inclusive).
SendGrid
AS11377
or else
ip4:
217.21.177.125 / 32
pass
if the sender's IP is between
217.21.177.125 and 217.21.177.125 (inclusive).
217.21.177.125 and 217.21.177.125 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.20 / 32
pass
if the sender's IP is between
217.21.178.20 and 217.21.178.20 (inclusive).
217.21.178.20 and 217.21.178.20 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.20 / 32
pass
if the sender's IP is between
217.21.178.20 and 217.21.178.20 (inclusive).
217.21.178.20 and 217.21.178.20 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.21 / 32
pass
if the sender's IP is between
217.21.178.21 and 217.21.178.21 (inclusive).
217.21.178.21 and 217.21.178.21 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.11 / 32
pass
if the sender's IP is between
217.21.178.11 and 217.21.178.11 (inclusive).
217.21.178.11 and 217.21.178.11 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.56 / 32
pass
if the sender's IP is between
217.21.178.56 and 217.21.178.56 (inclusive).
217.21.178.56 and 217.21.178.56 (inclusive).
Combell NV
AS34762
or else
ip4:
217.21.178.57 / 32
pass
if the sender's IP is between
217.21.178.57 and 217.21.178.57 (inclusive).
217.21.178.57 and 217.21.178.57 (inclusive).
Combell NV
AS34762
or else
ip4:
178.208.39.142 / 32
pass
if the sender's IP is between
178.208.39.142 and 178.208.39.142 (inclusive).
178.208.39.142 and 178.208.39.142 (inclusive).
Combell NV
AS34762
or else
ip4:
178.208.39.141 / 32
pass
if the sender's IP is between
178.208.39.141 and 178.208.39.141 (inclusive).
178.208.39.141 and 178.208.39.141 (inclusive).
Combell NV
AS34762
or else
ip4:
178.208.39.140 / 32
pass
if the sender's IP is between
178.208.39.140 and 178.208.39.140 (inclusive).
178.208.39.140 and 178.208.39.140 (inclusive).
Combell NV
AS34762
or else
ip4:
178.208.39.143 / 32
pass
if the sender's IP is between
178.208.39.143 and 178.208.39.143 (inclusive).
178.208.39.143 and 178.208.39.143 (inclusive).
Combell NV
AS34762
or else
include:
_spf.relay.mailprotect.be
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
ip4:
87.238.160.0 / 21
pass
if the sender's IP is between
87.238.160.0 and 87.238.167.255 (inclusive).
87.238.160.0 and 87.238.167.255 (inclusive).
Combell NV
AS34762
or else
-all
fail
the email's SPF check.
Included records
v=spf1 include:spf.flexmail.eu a mx ptr ip4:198.37.149.63 ip4:217.21.177.125 ip4:217.21.178.20 ip4:217.21.178.20 ip4:217.21.178.21 ip4:217.21.178.11 ip4:217.21.178.56 ip4:217.21.178.57 ip4:178.208.39.142 ip4:178.208.39.141 ip4:178.208.39.140 ip4:178.208.39.143 include:_spf.relay.mailprotect.be include:spf.protection.outlook.com ip4:87.238.160.0/21 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
7 x ip4 -all
20 x ip4 1 x ip6 include:_spf.powermail.be ?all
4 x ip4 -all
6 x ip4 5 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