6 / 10
Lookups
2
Issues
462,908
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
There are 2 issues with this SPF record
- 'all' should be the last mechanism (any other mechanism will be ignored).
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ip4:217.150.208.0/20 ptr:proxy.ini6.com mx:asav1.minorisa.net include:spf.protection.outlook.com ~all include:emaileuc.freshservice.com ~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
ip4:
217.150.208.0 / 20
pass
if the sender's IP is between
217.150.208.0 and 217.150.223.255 (inclusive).
217.150.208.0 and 217.150.223.255 (inclusive).
everyWAN
AS33932
or else
ptr:
proxy.ini6.com
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
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
soft fail
the email's SPF check.
or else
include:
emaileuc.freshservice.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
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ip4:217.150.208.0/20 ptr:proxy.ini6.com mx:asav1.minorisa.net include:spf.protection.outlook.com ~all include:emaileuc.freshservice.com ~all
'all' should be the last mechanism (any other mechanism will be ignored)
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
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
