0 / 10
Lookups
0
Issues
1
IPv4 address
0
IPv6 addresses
Terms
ip4:
221.192.43.178 / 32
pass
if the sender's IP is between
221.192.43.178 and 221.192.43.178 (inclusive).
221.192.43.178 and 221.192.43.178 (inclusive).
CHINA UNICOM China169 Backbone
AS4837
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:221.192.43.178 -all