spfa.itesm.mx SPF record

0 / 10 Lookups
0 Issues
33,603 IPv4 addresses
0 IPv6 addresses
v=spf1 ip4:200.34.200.0/24 ip4:200.33.42.28/24 ip4:148.241.3.87 ip4:207.249.33.0/24 ip4:129.152.0.0/17 ip4:13.110.6.176/28 ip4:13.110.14.176/28 ip4:136.147.46.192/28 ip4:136.147.62.192/28 ip4:66.231.92.253 ip4:149.72.1.173 ~all Copied

Terms

ip4:
200.34.200.0 / 24
pass if the sender's IP is between
200.34.200.0 and 200.34.200.255 (inclusive).
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
or else
ip4:
200.33.42.28 / 24
pass if the sender's IP is between
200.33.42.0 and 200.33.42.255 (inclusive).
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
or else
ip4:
148.241.3.87 / 32
pass if the sender's IP is between
148.241.3.87 and 148.241.3.87 (inclusive).
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS10436
or else
ip4:
207.249.33.0 / 24
pass if the sender's IP is between
207.249.33.0 and 207.249.33.255 (inclusive).
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
or else
ip4:
129.152.0.0 / 17
pass if the sender's IP is between
129.152.0.0 and 129.152.127.255 (inclusive).
Oracle
AS31898
or else
ip4:
13.110.6.176 / 28
pass if the sender's IP is between
13.110.6.176 and 13.110.6.191 (inclusive).
Salesforce.com
AS14340
or else
ip4:
13.110.14.176 / 28
pass if the sender's IP is between
13.110.14.176 and 13.110.14.191 (inclusive).
Salesforce.com
AS14340
or else
ip4:
136.147.46.192 / 28
pass if the sender's IP is between
136.147.46.192 and 136.147.46.207 (inclusive).
Salesforce.com
AS14340
or else
ip4:
136.147.62.192 / 28
pass if the sender's IP is between
136.147.62.192 and 136.147.62.207 (inclusive).
Salesforce.com
AS14340
or else
ip4:
66.231.92.253 / 32
pass if the sender's IP is between
66.231.92.253 and 66.231.92.253 (inclusive).
Salesforce.com
AS14340
or else
ip4:
149.72.1.173 / 32
pass if the sender's IP is between
149.72.1.173 and 149.72.1.173 (inclusive).
SendGrid
AS11377
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 ip4:200.34.200.0/24 ip4:200.33.42.28/24 ip4:148.241.3.87 ip4:207.249.33.0/24 ip4:129.152.0.0/17 ip4:13.110.6.176/28 ip4:13.110.14.176/28 ip4:136.147.46.192/28 ip4:136.147.62.192/28 ip4:66.231.92.253 ip4:149.72.1.173 ~all

IP ranges

200.34.200.0 / 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
200.33.42.28 / 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
148.241.3.87
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS10436
207.249.33.0 / 24
Instituto Tecnológico y de Estudios Superiores de Monterrey
AS6342
129.152.0.0 / 17
Oracle
AS31898
13.110.6.176 / 28
Salesforce.com
AS14340
13.110.14.176 / 28
Salesforce.com
AS14340
136.147.46.192 / 28
Salesforce.com
AS14340
136.147.62.192 / 28
Salesforce.com
AS14340
66.231.92.253
Salesforce.com
AS14340
149.72.1.173
SendGrid
AS11377