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
105.246.156.146
Australia
125.254.124.113
United States of America
162.243.12.37
Netherlands
185.140.209.224
Russia
188.68.222.233
Ukraine
193.238.152.32
Brazil
200.231.34.18
India
202.83.29.58
Canada
24.37.219.202
94.140.15.15
2a0d:2a00:2::
2606:4700:4700::1001
2001:4860:4860::8888
NextDNS
45.90.30.66
OpenDns
208.67.222.222
2620:fe::9
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