0 / 10
Lookups
0
Issues
4
IPv4 addresses
0
IPv6 addresses
Terms
ip4:
128.253.150.144 / 30
pass
if the sender's IP is between
128.253.150.144 and 128.253.150.147 (inclusive).
128.253.150.144 and 128.253.150.147 (inclusive).
Cornell University
AS26
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ip4:128.253.150.144/30 ?all