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 n.mff.cuni.cz .
managed by the owner of n.mff.cuni.cz .
ns.ms.mff.cuni.cz
195.113.20.71
The official source of information for this domain,
managed by the owner of n.mff.cuni.cz .
managed by the owner of n.mff.cuni.cz .
ns.n.mff.cuni.cz
195.113.16.2
The official source of information for this domain,
managed by the owner of n.mff.cuni.cz .
managed by the owner of n.mff.cuni.cz .
sns.ms.mff.cuni.cz
195.113.20.77
India
119.161.98.202
Brazil
149.104.126.42
Netherlands
2.58.56.84
Australia
203.22.100.10
Russia
217.26.29.42
Canada
24.37.219.202
South Africa
41.23.114.4
United States of America
64.18.205.228
Ukraine
91.239.232.181
2a10:50c0::ad2:ff
185.228.169.168
1.0.0.1
2001:4860:4860::8888
NextDNS
45.90.28.66
OpenDns
2620:119:35::35
149.112.112.112
The official source of information for this domain,
managed by the owner of n.mff.cuni.cz .
managed by the owner of n.mff.cuni.cz .
david.ruk.cuni.cz
78.128.213.242
The official source of information for this domain,
managed by the owner of n.mff.cuni.cz .
managed by the owner of n.mff.cuni.cz .
golias.ruk.cuni.cz
195.113.0.2
No A records found