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
South Africa
105.243.201.52
United States of America
162.243.12.37
India
172.232.76.111
Brazil
177.55.194.134
Ukraine
178.136.237.229
Canada
184.163.45.211
Australia
203.99.151.27
Netherlands
45.14.48.161
Russia
85.12.218.216
2a10:50c0::ad2:ff
185.228.169.168
1.1.1.1
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
9.9.9.9
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