OPT records have propagated
All servers we queried returned the same DNS records.
Not the record you expected?
- Recently moved this domain to another DNS server? Check the NS records .
- Check for typos and misconfigurations.
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 ruk.cuni.cz .
managed by the owner of ruk.cuni.cz .
cuce.ruk.cuni.cz
195.113.0.8
The official source of information for this domain,
managed by the owner of ruk.cuni.cz .
managed by the owner of ruk.cuni.cz .
david.ruk.cuni.cz
78.128.213.242
The official source of information for this domain,
managed by the owner of ruk.cuni.cz .
managed by the owner of ruk.cuni.cz .
golias.ruk.cuni.cz
195.113.0.2
The official source of information for this domain,
managed by the owner of ruk.cuni.cz .
managed by the owner of ruk.cuni.cz .
ruzenka.prf.cuni.cz
195.113.8.2
South Africa
105.243.213.237
Australia
123.100.143.201
Netherlands
185.83.216.49
Brazil
200.231.34.18
Russia
217.26.29.42
Canada
24.37.219.202
Ukraine
5.58.66.195
94.140.15.15
2a0d:2a00:1::
1.1.1.1
2001:4860:4860::8888
NextDNS
45.90.28.66
OpenDns
208.67.220.220
2620:fe::9
No OPT records found