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 mff.cuni.cz .
managed by the owner of mff.cuni.cz .
david.ruk.cuni.cz
78.128.213.242
The official source of information for this domain,
managed by the owner of mff.cuni.cz .
managed by the owner of mff.cuni.cz .
golias.ruk.cuni.cz
195.113.0.2
South Africa
105.242.62.116
Australia
123.100.147.201
India
148.113.5.39
United States of America
162.243.12.37
Canada
172.105.20.117
Brazil
189.113.32.34
Netherlands
45.14.48.161
Ukraine
46.173.150.228
Russia
85.12.218.216
94.140.15.15
185.228.169.168
2606:4700:4700::1111
2001:4860:4860::8844
NextDNS
2a07:a8c0::53:54e9
OpenDns
208.67.222.222
2620:fe::9
owl.karlov.mff.cuni.cz. netadm.karlov.mff.cuni.cz. 2026032504 3600 2700 2419200 7200
The official source of information for this domain,
managed by the owner of mff.cuni.cz .
managed by the owner of 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 mff.cuni.cz .
managed by the owner of 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 mff.cuni.cz .
managed by the owner of mff.cuni.cz .
sns.ms.mff.cuni.cz
195.113.20.77
No SOA records found