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Lookups
0
Issues
2
IPv4 addresses
0
IPv6 addresses
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
193.0.72.144 / 32
pass
if the sender's IP is between
193.0.72.144 and 193.0.72.144 (inclusive).
193.0.72.144 and 193.0.72.144 (inclusive).
University of Warsaw
AS8890
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx/23 ip4:193.0.72.144 ~all