7 / 10
Lookups
0
Issues
458,759
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
v=spf1 ip4:77.236.192.131 a:fw.blue4.cz a:posta.edera.cz a:mail2.edera.cz include:sparkpostmail.com include:spf.protection.outlook.com include:_spf_ceznet.tlnt.cz -all
Copied
Terms
ip4:
77.236.192.131 / 32
pass
if the sender's IP is between
77.236.192.131 and 77.236.192.131 (inclusive).
77.236.192.131 and 77.236.192.131 (inclusive).
Edera Group a.s.
AS42306
or else
a:
fw.blue4.cz
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
sparkpostmail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
include:
_spf_ceznet.tlnt.cz
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
-all
fail
the email's SPF check.
Included records
v=spf1 ip4:77.236.192.131 a:fw.blue4.cz a:posta.edera.cz a:mail2.edera.cz include:sparkpostmail.com include:spf.protection.outlook.com include:_spf_ceznet.tlnt.cz -all
exists:%{i}._spf.sparkpostmail.com ~all
6 x ip4 5 x ip6 -all
3 x ip4 1 x ip6 ~all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff