6 / 10
Lookups
0
Issues
711,767
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
v=spf1 ip4:173.203.187.0/24 ip4:66.35.35.12 mx include:secureserver.net include:sendgrid.net -all
Copied
Terms
ip4:
173.203.187.0 / 24
pass
if the sender's IP is between
173.203.187.0 and 173.203.187.255 (inclusive).
173.203.187.0 and 173.203.187.255 (inclusive).
Rackspace Hosting
AS27357
or else
ip4:
66.35.35.12 / 32
pass
if the sender's IP is between
66.35.35.12 and 66.35.35.12 (inclusive).
66.35.35.12 and 66.35.35.12 (inclusive).
Iron Mountain Data Center
AS12025
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
include:
secureserver.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
GoDaddy
Inbox software
or else
include:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:173.203.187.0/24 ip4:66.35.35.12 mx include:secureserver.net include:sendgrid.net -all
include:spf-0.secureserver.net -all
32 x ip4 include:spf.protection.outlook.com -all
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