1 / 10
Lookups
0
Issues
2,050
IPv4 addresses
1
IPv6 address
v=spf1 mx ip4:81.2.193.196/24 ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:93.186.251.131/32 ip4:185.129.138.0/23 ip4:185.129.137.0/24 -all
Copied
Terms
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
ip4:
81.2.193.196 / 24
pass
if the sender's IP is between
81.2.193.0 and 81.2.193.255 (inclusive).
81.2.193.0 and 81.2.193.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
ip4:
81.2.193.0 / 24
pass
if the sender's IP is between
81.2.193.0 and 81.2.193.255 (inclusive).
81.2.193.0 and 81.2.193.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
ip4:
81.2.194.0 / 23
pass
if the sender's IP is between
81.2.194.0 and 81.2.195.255 (inclusive).
81.2.194.0 and 81.2.195.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
ip4:
81.2.196.0 / 24
pass
if the sender's IP is between
81.2.196.0 and 81.2.196.255 (inclusive).
81.2.196.0 and 81.2.196.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
ip4:
93.186.251.131 / 32
pass
if the sender's IP is between
93.186.251.131 and 93.186.251.131 (inclusive).
93.186.251.131 and 93.186.251.131 (inclusive).
Aruba S.p.A.
AS31034
or else
ip4:
185.129.138.0 / 23
pass
if the sender's IP is between
185.129.138.0 and 185.129.139.255 (inclusive).
185.129.138.0 and 185.129.139.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
ip4:
185.129.137.0 / 24
pass
if the sender's IP is between
185.129.137.0 and 185.129.137.255 (inclusive).
185.129.137.0 and 185.129.137.255 (inclusive).
INTERNET CZ, a.s.
AS24806
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx ip4:81.2.193.196/24 ip4:81.2.193.0/24 ip4:81.2.194.0/23 ip4:81.2.196.0/24 ip4:93.186.251.131 ip4:185.129.138.0/23 ip4:185.129.137.0/24 -all