3 / 10
Lookups
0
Issues
4
IPv4 addresses
4
IPv6 addresses
v=spf1 a mx a:mail.kolbsystems.net ip4:37.114.37.190 ip6:2a0e:97c0:3e3:8a4::1 -all
Copied
Terms
a
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
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
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:
37.114.37.190 / 32
pass
if the sender's IP is between
37.114.37.190 and 37.114.37.190 (inclusive).
37.114.37.190 and 37.114.37.190 (inclusive).
Florian Kolb
AS58087
or else
ip6:
2a0e:97c0:3e3:8a4::1 / 128
pass
if the sender's IP is between
2a0e:97c0:3e3:8a4::1 and 2a0e:97c0:3e3:8a4::1 (inclusive).
2a0e:97c0:3e3:8a4::1 and 2a0e:97c0:3e3:8a4::1 (inclusive).
Florian Kolb
AS58087
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a mx a:mail.kolbsystems.net ip4:37.114.37.190 ip6:2a0e:97c0:3e3:8a4::1 -all