1 / 10
Lookups
0
Issues
2
IPv4 addresses
1.84 ⋅ 10
19
IPv6 addresses
v=spf1 ip6:2a01:4f8:221:b52::/64 ip4:188.40.142.18 mx -all
Copied
Terms
ip6:
2a01:4f8:221:b52:: / 64
pass
if the sender's IP is between
2a01:4f8:221:b52:: and 2a01:4f8:221:b52:ffff:ffff:ffff:ffff (inclusive).
2a01:4f8:221:b52:: and 2a01:4f8:221:b52:ffff:ffff:ffff:ffff (inclusive).
Hetzner Online
AS24940
or else
ip4:
188.40.142.18 / 32
pass
if the sender's IP is between
188.40.142.18 and 188.40.142.18 (inclusive).
188.40.142.18 and 188.40.142.18 (inclusive).
Hetzner Online
AS24940
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
-all
fail
the email's SPF check.
Included records
v=spf1 ip6:2a01:4f8:221:b52::/64 ip4:188.40.142.18 mx -all
IP ranges
2a01:4f8:221:b52::
/ 64
Hetzner Online
AS24940
2a01:4f8:221:b52::
2a01:4f8:221:b52:ffff:ffff:ffff:ffff