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Lookups
0
Issues
1
IPv4 address
0
IPv6 addresses
Terms
ip4:
121.153.137.244 / 32
pass
if the sender's IP is between
121.153.137.244 and 121.153.137.244 (inclusive).
121.153.137.244 and 121.153.137.244 (inclusive).
Korea Telecom
AS4766
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:121.153.137.244 ~all