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Lookups
0
Issues
32
IPv4 addresses
0
IPv6 addresses
Terms
ip4:
153.143.48.0 / 27
pass
if the sender's IP is between
153.143.48.0 and 153.143.48.31 (inclusive).
153.143.48.0 and 153.143.48.31 (inclusive).
NTT DOCOMO BUSINESS
AS4713
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 ip4:153.143.48.0/27 ~all