1 / 10
Lookups
0
Issues
65
IPv4 addresses
1.84 ⋅ 10
19
IPv6 addresses
v=spf1 a ip4:131.188.11.0/26 ip6:2001:638:a000:1025::/64 -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
ip4:
131.188.11.0 / 26
pass
if the sender's IP is between
131.188.11.0 and 131.188.11.63 (inclusive).
131.188.11.0 and 131.188.11.63 (inclusive).
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680
or else
ip6:
2001:638:a000:1025:: / 64
pass
if the sender's IP is between
2001:638:a000:1025:: and 2001:638:a000:1025:ffff:ffff:ffff:ffff (inclusive).
2001:638:a000:1025:: and 2001:638:a000:1025:ffff:ffff:ffff:ffff (inclusive).
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a ip4:131.188.11.0/26 ip6:2001:638:a000:1025::/64 -all
IP ranges
131.188.11.0
/ 26
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680
131.188.11.0 - 131.188.11.63
64 IP addresses
2001:638:a000:1025::
/ 64
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680
2001:638:a000:1025::
2001:638:a000:1025:ffff:ffff:ffff:ffff