nej.cz SPF record

3 / 10 Lookups
0 Issues
184,453 IPv4 addresses
1.49 ⋅ 10 28 IPv6 addresses
v=spf1 ip4:81.200.48.0/25 ip6:2a07:b5c0::0/120 ip4:83.240.77.5 ip4:83.240.77.6 ip4:83.240.0.204 ip4:83.240.0.201 include:_spf.google.com include:servers.mcsv.net mx:riomedia.cz -all Copied

Terms

ip4:
81.200.48.0 / 25
pass if the sender's IP is between
81.200.48.0 and 81.200.48.127 (inclusive).
O2 Czech Republic, a.s.
AS41046
or else
ip6:
2a07:b5c0:: / 120
pass if the sender's IP is between
2a07:b5c0:: and 2a07:b5c0::ff (inclusive).
O2 Czech Republic, a.s.
AS41046
or else
ip4:
83.240.77.5 / 32
pass if the sender's IP is between
83.240.77.5 and 83.240.77.5 (inclusive).
NETBOX Autonomous system
AS31246
or else
ip4:
83.240.77.6 / 32
pass if the sender's IP is between
83.240.77.6 and 83.240.77.6 (inclusive).
NETBOX Autonomous system
AS31246
or else
ip4:
83.240.0.204 / 32
pass if the sender's IP is between
83.240.0.204 and 83.240.0.204 (inclusive).
NETBOX Autonomous system
AS31246
or else
ip4:
83.240.0.201 / 32
pass if the sender's IP is between
83.240.0.201 and 83.240.0.201 (inclusive).
NETBOX Autonomous system
AS31246
or else
Evaluate this SPF record and pass if it
passes.
Gmail
Inbox software
or else
Evaluate this SPF record and pass if it
passes.
MailChimp
Email marketing
or else
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 ip4:81.200.48.0/25 ip6:2a07:b5c0::/120 ip4:83.240.77.5 ip4:83.240.77.6 ip4:83.240.0.204 ip4:83.240.0.201 include:_spf.google.com include:servers.mcsv.net mx:riomedia.cz -all
2 x ip4 6 x ip6 ~all
3 x ip4 -all

IP ranges

O2 Czech Republic, a.s.
AS41046
O2 Czech Republic, a.s.
AS41046
NETBOX Autonomous system
AS31246
NETBOX Autonomous system
AS31246
NETBOX Autonomous system
AS31246
NETBOX Autonomous system
AS31246
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
MailChimp
AS14782
MailChimp
AS14782
MailChimp
AS14782
O2 Czech Republic, a.s.
AS41046
O2 Czech Republic, a.s.
AS41046