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
Australia
123.100.143.201
United States of America
162.243.12.37
India
172.232.76.111
Netherlands
185.83.216.49
Ukraine
193.238.152.32
Brazil
200.231.34.18
South Africa
41.23.115.70
Russia
46.173.24.78
Canada
51.79.41.231
2a10:50c0::ad1:ff
185.228.168.168
1.0.0.1
2001:4860:4860::8888
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:35::35
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