tznic.or.tz SPF record

5 / 10 Lookups
1 Issue
98,562 IPv4 addresses
1.49 ⋅ 10 28 IPv6 addresses

The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.

v=spf1 ip4:196.216.162.0/24 ip6:2001:43f8:e0::/48 a mx ptr include:google.com ~all Copied

Terms

ip4:
196.216.162.0 / 24
pass if the sender's IP is between
196.216.162.0 and 196.216.162.255 (inclusive).
Tanzania Network Information Centre (tzNIC)
AS37045
or else
ip6:
2001:43f8:e0:: / 48
pass if the sender's IP is between
2001:43f8:e0:: and 2001:43f8:e0:ffff:ffff:ffff:ffff:ffff (inclusive).
Tanzania Network Information Centre (tzNIC)
AS37045
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
ptr:
PTR checks should no longer be used. See RFC 7208, section 5.5 .
or else
include:
google.com
Evaluate this SPF record and pass if it
passes.
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 ip4:196.216.162.0/24 ip6:2001:43f8:e0::/48 a mx ptr include:google.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
include:_spf.google.com ~all
2 x ip4 6 x ip6 ~all

IP ranges

196.216.162.0 / 24
Tanzania Network Information Centre (tzNIC)
AS37045
2001:43f8:e0:: / 48
Tanzania Network Information Centre (tzNIC)
AS37045
196.216.162.88
Tanzania Network Information Centre (tzNIC)
AS37045
2001:43f8:e0:1::88
Tanzania Network Information Centre (tzNIC)
AS37045
196.216.162.68
Tanzania Network Information Centre (tzNIC)
AS37045
2001:43f8:e0:1::68
Tanzania Network Information Centre (tzNIC)
AS37045
74.125.0.0 / 16
Google
AS15169
209.85.128.0 / 17
Google
AS15169
2001:4860:4864:: / 56
Google
AS15169
2404:6800:4864:: / 56
Google
AS15169
2607:f8b0:4864:: / 56
Google
AS15169
2800:3f0:4000:: / 36
Google
AS15169
2a00:1450:4000:: / 36
Google
AS15169
2c0f:fb50:4000:: / 36
Google
AS15169