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Lookups
0
Issues
8
IPv4 addresses
0
IPv6 addresses
v=spf1 a:csmtp.didc.cz ip4:213.168.188.110 ip4:213.168.188.111 ip4:213.168.188.112 ip4:213.168.188.113 ip4:213.168.188.115 ip4:213.168.188.116 ip4:213.168.188.117 -all
Copied
Terms
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ip4:
213.168.188.110 / 32
pass
if the sender's IP is between
213.168.188.110 and 213.168.188.110 (inclusive).
213.168.188.110 and 213.168.188.110 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.111 / 32
pass
if the sender's IP is between
213.168.188.111 and 213.168.188.111 (inclusive).
213.168.188.111 and 213.168.188.111 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.112 / 32
pass
if the sender's IP is between
213.168.188.112 and 213.168.188.112 (inclusive).
213.168.188.112 and 213.168.188.112 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.113 / 32
pass
if the sender's IP is between
213.168.188.113 and 213.168.188.113 (inclusive).
213.168.188.113 and 213.168.188.113 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.115 / 32
pass
if the sender's IP is between
213.168.188.115 and 213.168.188.115 (inclusive).
213.168.188.115 and 213.168.188.115 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.116 / 32
pass
if the sender's IP is between
213.168.188.116 and 213.168.188.116 (inclusive).
213.168.188.116 and 213.168.188.116 (inclusive).
Dragon Internet a.s.
AS15614
or else
ip4:
213.168.188.117 / 32
pass
if the sender's IP is between
213.168.188.117 and 213.168.188.117 (inclusive).
213.168.188.117 and 213.168.188.117 (inclusive).
Dragon Internet a.s.
AS15614
or else
-all
fail
the email's SPF check.
Included records
v=spf1 a:csmtp.didc.cz ip4:213.168.188.110 ip4:213.168.188.111 ip4:213.168.188.112 ip4:213.168.188.113 ip4:213.168.188.115 ip4:213.168.188.116 ip4:213.168.188.117 -all