0 / 10
Lookups
0
Issues
1
IPv4 address
0
IPv6 addresses
Terms
ip4:
50.16.191.37 / 32
pass
if the sender's IP is between
50.16.191.37 and 50.16.191.37 (inclusive).
50.16.191.37 and 50.16.191.37 (inclusive).
Amazon.com
AS14618
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:50.16.191.37 -all