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Lookups
0
Issues
256
IPv4 addresses
0
IPv6 addresses
Terms
ip4:
103.21.58.0 / 24
pass
if the sender's IP is between
103.21.58.0 and 103.21.58.255 (inclusive).
103.21.58.0 and 103.21.58.255 (inclusive).
PDR
AS394695
or else
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
?all
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ip4:103.21.58.0/24 mx ?all