quonix.net SPF record

7 / 10 Lookups
2 Issues
462,871 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses

There are 2 issues with this SPF record

  • The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
  • The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 a mx ptr include:directmx.com include:spf.protection.outlook.com ip4:64.111.16.0/20 ip4:64.111.16.28 -all Copied

Terms

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.
2 IPv4 addresses
1 IPv6 address
or else
ptr:
.
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
include:
directmx.com
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
ip4:
64.111.16.0 / 20
pass if the sender's IP is between
64.111.16.0 and 64.111.31.255 (inclusive).
Data102
AS33302
or else
ip4:
64.111.16.28 / 32
pass if the sender's IP is between
64.111.16.28 and 64.111.16.28 (inclusive).
Data102
AS33302
or else
-all
fail the email's SPF check.

Included records

v=spf1 a mx ptr include:directmx.com include:spf.protection.outlook.com ip4:64.111.16.0/20 ip4:64.111.16.28 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
mx ptr 1 x ip4 1 x ip6 -all
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

96.47.15.3
Data102
AS33302
64.111.17.22
Data102
AS33302
208.82.128.94
Data102
AS17185
2604:bf00:82:128::94
Data102
AS17185
64.111.17.19
Data102
AS33302
2607:2800:102:203::3
Data102
AS33302
64.111.17.20
Data102
AS33302
2607:2800:102:203::4
Data102
AS33302
64.111.17.24
Data102
AS33302
2607:2800:102:203::8
Data102
AS33302
64.111.17.16 / 28
Data102
AS33302
2607:2800:102:203:: / 64
Data102
AS33302
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075
64.111.16.0 / 20
Data102
AS33302
64.111.16.28
Data102
AS33302