A records not consistent
Authoritative servers are returning different records.
- This is normal for A records — they can be geo- or round-robin load-balanced.
- If this is not intentional, check your DNS server configuration.
DNS server
TTL
Time To Live
The amount of time a DNS record is cached for.
Records returned by these servers
The official source of information for this domain,
managed by the owner of cuni.cz .
managed by the owner of cuni.cz .
cuce.ruk.cuni.cz
195.113.0.8
The official source of information for this domain,
managed by the owner of cuni.cz .
managed by the owner of cuni.cz .
david.ruk.cuni.cz
78.128.213.242
The official source of information for this domain,
managed by the owner of cuni.cz .
managed by the owner of cuni.cz .
golias.ruk.cuni.cz
195.113.0.2
South Africa
105.246.156.146
Russia
158.160.114.28
India
172.232.76.111
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
Canada
24.37.219.202
United States of America
64.18.205.228
Ukraine
91.239.232.181
94.140.15.15
2a0d:2a00:2::
1.0.0.1
2001:4860:4860::8844
NextDNS
2a07:a8c0::53:54e9
OpenDns
2620:119:35::35
2620:fe::fe
The official source of information for this domain,
managed by the owner of cuni.cz .
managed by the owner of cuni.cz .
nsa.ces.net
195.113.144.205
No A records found