spf.mailforce.cz DNS trace

Queried just now

Root zone

These servers manage the DNS root zone

a.root-servers.net

198.41.0.4

AS397197

Anycast IP

2001:503:ba3e::2:30

AS397197

Anycast IP

b.root-servers.net

170.247.170.2

AS394353

Anycast IP

2801:1b8:10::b

AS394353

Anycast IP

c.root-servers.net

192.33.4.12

AS2149

Anycast IP

2001:500:2::c

AS2149

Anycast IP

d.root-servers.net

199.7.91.13

AS10886

Anycast IP

2001:500:2d::d

AS10886

Anycast IP

e.root-servers.net

192.203.230.10

AS21556

Anycast IP

2001:500:a8::e

AS21556

Anycast IP

f.root-servers.net

192.5.5.241

AS3557

Anycast IP

2001:500:2f::f

AS3557

Anycast IP

g.root-servers.net

192.112.36.4

AS5927

Anycast IP

2001:500:12::d0d

AS5927

Anycast IP

h.root-servers.net

198.97.190.53

AS1508

Anycast IP

2001:500:1::53

AS1508

Anycast IP

i.root-servers.net

192.36.148.17

AS29216

Anycast IP

2001:7fe::53

AS29216

Anycast IP

j.root-servers.net

192.58.128.30

AS396661

Anycast IP

2001:503:c27::2:30

AS396661

Anycast IP

k.root-servers.net

193.0.14.129

AS25152

Anycast IP

2001:7fd::1

AS25152

Anycast IP

l.root-servers.net

199.7.83.42

AS20144

Anycast IP

2001:500:9f::42

AS20144

Anycast IP

m.root-servers.net

202.12.27.33

AS7500

Anycast IP

2001:dc3::35

AS7500

Anycast IP

all servers delegate to

cz.

These servers manage the cz zone

a.ns.nic.cz

194.0.12.1

AS25192

Czechia

2001:678:f::1

AS25192

Czechia

b.ns.nic.cz

194.0.13.1

AS25192

Czechia

2001:678:10::1

AS25192

Czechia

c.ns.nic.cz

194.0.14.1

AS200070

Anycast IP

2001:678:11::1

AS200070

Anycast IP

d.ns.nic.cz

193.29.206.1

AS25192

Czechia

2001:678:1::1

AS25192

Czechia

all servers delegate to

mailforce.cz.

These servers manage the mailforce.cz zone

jaguar.blueboard.cz

178.251.187.8

AS43541

Czechia

ns2.blueboard.cz

195.201.57.122

AS24940

Germany

shinzon.blueboard.cz

178.251.187.7

AS43541

Czechia

These servers claim authority over the mailforce.cz zone, which contains spf.mailforce.cz