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 .
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
India
172.232.76.111
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
United States of America
208.93.196.147
South Africa
41.23.114.73
Canada
66.70.164.12
Ukraine
91.239.232.181
Russia
94.181.94.73
94.140.15.15
2a0d:2a00:1::
2606:4700:4700::1001
8.8.8.8
NextDNS
45.90.28.66
OpenDns
208.67.220.220
2620:fe::9
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 .
nsa.ces.net
195.113.144.205
No A records found