6 / 10
Lookups
0
Issues
850,243
IPv4 addresses
2.48 ⋅ 10
28
IPv6 addresses
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net include:spfa.itesm.mx include:spfb.itesm.mx ~all
Copied
Terms
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
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
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
include:
spfa.itesm.mx
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:
spfb.itesm.mx
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
soft fail
the email's SPF check.
Included records
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:sendgrid.net include:spfa.itesm.mx include:spfb.itesm.mx ~all
6 x ip4 5 x ip6 -all
2 x ip4 6 x ip6 ~all
11 x ip4 ~all
3 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
200.34.200.0
/ 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
200.34.200.0 - 200.34.200.255
256 IP addresses
200.33.42.28
/ 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
200.33.42.0 - 200.33.42.255
256 IP addresses
207.249.33.0
/ 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
207.249.33.0 - 207.249.33.255
256 IP addresses