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Lookups
0
Issues
1
IPv4 address
1
IPv6 address
Terms
ip4:
89.190.64.21 / 32
pass
if the sender's IP is between
89.190.64.21 and 89.190.64.21 (inclusive).
89.190.64.21 and 89.190.64.21 (inclusive).
N_SYS s.r.o.
AS41088
or else
ip6:
2a00:bfe0:0:2::2 / 128
pass
if the sender's IP is between
2a00:bfe0:0:2::2 and 2a00:bfe0:0:2::2 (inclusive).
2a00:bfe0:0:2::2 and 2a00:bfe0:0:2::2 (inclusive).
N_SYS s.r.o.
AS41088
or else
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:89.190.64.21 ip6:2a00:bfe0:0:2::2 a -all