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
139.84.242.133
India
14.192.3.193
United States of America
157.230.216.17
Netherlands
185.140.209.224
Brazil
200.231.34.18
Australia
203.22.100.10
Canada
70.55.79.165
Ukraine
91.239.232.181
Russia
92.255.102.248
94.140.15.15
2a0d:2a00:1::
1.1.1.1
2001:4860:4860::8888
NextDNS
45.90.30.66
OpenDns
2620:119:53::53
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