1 / 10
Lookups
0
Issues
257
IPv4 addresses
1
IPv6 address
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
1 IPv6 address
or else
ip4:
81.2.196.0 / 24
pass
if the sender's IP is between
81.2.196.0 and 81.2.196.255 (inclusive).
81.2.196.0 and 81.2.196.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx ip4:81.2.196.0/24 -all