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 cas.cz .
managed by the owner of cas.cz .
visla.utia.cas.cz
147.231.12.1
Australia
123.100.147.201
India
172.232.76.111
United States of America
173.235.21.6
Ukraine
176.105.213.67
Russia
185.246.88.234
South Africa
196.15.220.34
Netherlands
45.14.48.161
Brazil
45.5.40.68
Canada
50.21.174.242
94.140.14.14
2a0d:2a00:2::
1.1.1.1
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:35::35
149.112.112.112
The official source of information for this domain,
managed by the owner of cas.cz .
managed by the owner of cas.cz .
academy.cas.cz
147.231.58.1
The official source of information for this domain,
managed by the owner of cas.cz .
managed by the owner of cas.cz .
nsa.ces.net
195.113.144.205
No MX records found