SOA records not consistent
Authoritative servers are returning different records.
- This likely indicates a DNS server configuration issue.
- Records may not have propagated among authoritative servers yet.
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
88.81.239.94
2a10:50c0::ad1:ff
2a0d:2a00:2::
2606:4700:4700::1001
2001:4860:4860::8888
NextDNS
45.90.30.66
OpenDns
2620:119:53::53
2620:fe::9
ns.lf1.cuni.cz. postmaster.lf1.cuni.cz. 2026032605 1800 60 3600000 86400
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
Russia
217.26.29.42
No SOA records found