7 / 10
Lookups
0
Issues
696,845
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 include:_netblock1.seismic.com include:_netblock2.seismic.com -all
Copied
Terms
include:
_netblock1.seismic.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
include:
_netblock2.seismic.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
fail
the email's SPF check.
Included records
v=spf1 include:_netblock1.seismic.com include:_netblock2.seismic.com -all
5 x ip4 exists:%{i}._spf.mta.salesforce.com -all
include:spf.protection.outlook.com include:sendgrid.net include:3eca15b1-spf.mta.tessian-gw.com -all
6 x ip4 5 x ip6 -all
2 x ip4 ~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