MX 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
South Africa
105.246.156.127
India
172.232.76.111
Netherlands
185.82.141.79
Brazil
200.231.34.18
Australia
203.22.100.10
United States of America
208.93.196.147
Russia
46.138.240.213
Canada
66.70.164.12
Ukraine
91.239.232.181
2a10:50c0::ad1:ff
185.228.169.168
1.1.1.1
8.8.4.4
NextDNS
2a07:a8c0::53:54e9
OpenDns
208.67.220.220
2620:fe::fe
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 MX records found