_spf.vhost.cz SPF record

2 / 10 Lookups
0 Issues
43 IPv4 addresses
1.21 ⋅ 10 24 IPv6 addresses
v=spf1 mx a ip4:217.11.230.206 ip6:2001:1528:123:123::206 ip4:82.208.29.80/29 ip4:81.0.238.80/28 ip4:217.11.230.208/28 ip4:217.11.230.232 ip4:81.0.217.101 ip6:2001:1528:1:6380::/64 ip6:2001:1528:123::/48 -all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
or else
a
pass if the sender's IP address is in the A or AAAA record of this domain.
or else
ip4:
217.11.230.206 / 32
pass if the sender's IP is between
217.11.230.206 and 217.11.230.206 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip6:
2001:1528:123:123::206 / 128
pass if the sender's IP is between
2001:1528:123:123::206 and 2001:1528:123:123::206 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip4:
82.208.29.80 / 29
pass if the sender's IP is between
82.208.29.80 and 82.208.29.87 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip4:
81.0.238.80 / 28
pass if the sender's IP is between
81.0.238.80 and 81.0.238.95 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip4:
217.11.230.208 / 28
pass if the sender's IP is between
217.11.230.208 and 217.11.230.223 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip4:
217.11.230.232 / 32
pass if the sender's IP is between
217.11.230.232 and 217.11.230.232 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip4:
81.0.217.101 / 32
pass if the sender's IP is between
81.0.217.101 and 81.0.217.101 (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip6:
2001:1528:1:6380:: / 64
pass if the sender's IP is between
2001:1528:1:6380:: and 2001:1528:1:6380:ffff:ffff:ffff:ffff (inclusive).
CASABLANCA INT a.s.
AS15685
or else
ip6:
2001:1528:123:: / 48
pass if the sender's IP is between
2001:1528:123:: and 2001:1528:123:ffff:ffff:ffff:ffff:ffff (inclusive).
CASABLANCA INT a.s.
AS15685
or else
-all
fail the email's SPF check.

Included records

v=spf1 mx a ip4:217.11.230.206 ip6:2001:1528:123:123::206 ip4:82.208.29.80/29 ip4:81.0.238.80/28 ip4:217.11.230.208/28 ip4:217.11.230.232 ip4:81.0.217.101 ip6:2001:1528:1:6380::/64 ip6:2001:1528:123::/48 -all

IP ranges

217.11.230.206
CASABLANCA INT a.s.
AS15685
2001:1528:123:123::206
CASABLANCA INT a.s.
AS15685
82.208.29.80 / 29
CASABLANCA INT a.s.
AS15685
81.0.238.80 / 28
CASABLANCA INT a.s.
AS15685
217.11.230.208 / 28
CASABLANCA INT a.s.
AS15685
217.11.230.232
CASABLANCA INT a.s.
AS15685
81.0.217.101
CASABLANCA INT a.s.
AS15685
2001:1528:1:6380:: / 64
CASABLANCA INT a.s.
AS15685
2001:1528:123:: / 48
CASABLANCA INT a.s.
AS15685