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 .
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 .
visla.utia.cas.cz
147.231.12.1
Australia
170.64.230.86
India
172.232.76.111
Netherlands
185.140.209.224
Brazil
200.231.34.18
United States of America
208.93.196.147
Russia
217.26.29.42
Canada
24.37.219.202
South Africa
41.23.114.73
Ukraine
91.239.232.181
2a10:50c0::ad1:ff
2a0d:2a00:2::
1.0.0.1
8.8.8.8
NextDNS
2a07:a8c1::53:54e9
OpenDns
2620:119:53::53
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 .
nsa.ces.net
195.113.144.205
No MX records found