1 / 10
Lookups
0
Issues
294,912
IPv4 addresses
2.97 ⋅ 10
28
IPv6 addresses
v=spf1 ip4:128.3.0.0/16 ip4:131.243.0.0/16 ip6:2620:83:8000::/48 ip4:128.55.0.0/16 ip6:2620:0:28b0::/48 include:_spf.google.com
Copied
Terms
ip4:
128.3.0.0 / 16
pass
if the sender's IP is between
128.3.0.0 and 128.3.255.255 (inclusive).
128.3.0.0 and 128.3.255.255 (inclusive).
Lawrence Berkeley National Laboratory
AS16
or else
ip4:
131.243.0.0 / 16
pass
if the sender's IP is between
131.243.0.0 and 131.243.255.255 (inclusive).
131.243.0.0 and 131.243.255.255 (inclusive).
Lawrence Berkeley National Laboratory
AS16
or else
ip6:
2620:83:8000:: / 48
pass
if the sender's IP is between
2620:83:8000:: and 2620:83:8000:ffff:ffff:ffff:ffff:ffff (inclusive).
2620:83:8000:: and 2620:83:8000:ffff:ffff:ffff:ffff:ffff (inclusive).
Lawrence Berkeley National Laboratory
AS16
or else
ip4:
128.55.0.0 / 16
pass
if the sender's IP is between
128.55.0.0 and 128.55.255.255 (inclusive).
128.55.0.0 and 128.55.255.255 (inclusive).
National Energy Research Scientific Computing Center
AS2936
or else
ip6:
2620:0:28b0:: / 48
pass
if the sender's IP is between
2620:0:28b0:: and 2620:0:28b0:ffff:ffff:ffff:ffff:ffff (inclusive).
2620:0:28b0:: and 2620:0:28b0:ffff:ffff:ffff:ffff:ffff (inclusive).
National Energy Research Scientific Computing Center
AS2936
or else
include:
_spf.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
Included records
v=spf1 ip4:128.3.0.0/16 ip4:131.243.0.0/16 ip6:2620:83:8000::/48 ip4:128.55.0.0/16 ip6:2620:0:28b0::/48 include:_spf.google.com
2 x ip4 6 x ip6 ~all
IP ranges
128.3.0.0
/ 16
Lawrence Berkeley National Laboratory
AS16
128.3.0.0 - 128.3.255.255
65,536 IP addresses
131.243.0.0
/ 16
Lawrence Berkeley National Laboratory
AS16
131.243.0.0 - 131.243.255.255
65,536 IP addresses
2620:83:8000::
/ 48
Lawrence Berkeley National Laboratory
AS16
2620:83:8000::
2620:83:8000:ffff:ffff:ffff:ffff:ffff
128.55.0.0
/ 16
National Energy Research Scientific Computing Center
AS2936
128.55.0.0 - 128.55.255.255
65,536 IP addresses
2620:0:28b0::
/ 48
National Energy Research Scientific Computing Center
AS2936
2620:0:28b0::
2620:0:28b0:ffff:ffff:ffff:ffff:ffff