supportbox.cz SPF record

8 / 10 Lookups
0 Issues
98,939 IPv4 addresses
2.97 â‹… 10 28 IPv6 addresses
v=spf1 mx a ip4:89.185.227.51 ip4:89.185.227.52 ip4:62.109.150.175 include:spf1.supportbox.cz include:spf.smartemailing.cz include:_spf.google.com ~all Copied

Terms

mx
pass if the sender's IP address is in the A or AAAA record of this domain.
5 IPv4 addresses
5 IPv6 addresses
or else
a
pass if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
2 IPv6 addresses
or else
ip4:
89.185.227.51 / 32
pass if the sender's IP is between
89.185.227.51 and 89.185.227.51 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
89.185.227.52 / 32
pass if the sender's IP is between
89.185.227.52 and 89.185.227.52 (inclusive).
MasterDC s.r.o.
AS24971
or else
ip4:
62.109.150.175 / 32
pass if the sender's IP is between
62.109.150.175 and 62.109.150.175 (inclusive).
Webglobe, s.r.o.
AS29134
or else
Evaluate this SPF record and pass if it
passes.
or else
Evaluate this SPF record and pass if it
passes.
or else
Evaluate this SPF record and pass if it
passes.
Gmail
Inbox software
or else
~all
soft fail the email's SPF check.

Included records

v=spf1 mx a ip4:89.185.227.51 ip4:89.185.227.52 ip4:62.109.150.175 include:spf1.supportbox.cz include:spf.smartemailing.cz include:_spf.google.com ~all
13 x ip4 ~all
11 x ip4 include:spf1.smartemailing.cz ~all
7 x ip4 3 x ip6 include:spf2.smartemailing.cz ~all
9 x ip4 include:spf3.smartemailing.cz ~all
2 x ip4 6 x ip6 ~all

IP ranges

Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Cloudflare
AS13335
Cloudflare
AS13335
Cloudflare
AS13335
Cloudflare
AS13335
MasterDC s.r.o.
AS24971
MasterDC s.r.o.
AS24971
Webglobe, s.r.o.
AS29134
MasterDC s.r.o.
AS24971
MasterDC s.r.o.
AS24971
DigitalOcean
AS14061
WEDOS Internet, a.s.
AS197019
DigitalOcean
AS14061
Webglobe, s.r.o.
AS29134
SH.cz s.r.o.
AS39392
Webglobe, s.r.o.
AS29134
DigitalOcean
AS14061
DigitalOcean
AS14061
DigitalOcean
AS14061
DigitalOcean
AS14061
DigitalOcean
AS14061
Savvy s.r.o.
AS44770
Savvy s.r.o.
AS44770
Savvy s.r.o.
AS44770
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Savvy s.r.o.
AS44770
Webglobe, s.r.o.
AS29134
The Constant Company
AS20473
The Constant Company
AS20473
The Constant Company
AS20473
Webglobe, s.r.o.
AS29134
WEDOS Internet, a.s.
AS197019
Webglobe, s.r.o.
AS29134
WEDOS Internet, a.s.
AS197019
Akamai Connected Cloud
AS63949
Akamai Connected Cloud
AS63949
WEDOS Internet, a.s.
AS197019
WEDOS Internet, a.s.
AS197019
WEDOS Internet, a.s.
AS197019
DigitalOcean
AS14061
CASABLANCA INT a.s.
AS15685
MasterDC s.r.o.
AS24971
SH.cz s.r.o.
AS39392
The Constant Company
AS20473
The Constant Company
AS20473
The Constant Company
AS20473
DigitalOcean
AS14061
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Webglobe, s.r.o.
AS29134
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169
Google
AS15169