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
103.93.151.137
South Africa
105.243.205.120
Russia
158.255.6.110
United States of America
162.243.12.37
Ukraine
195.28.182.172
Brazil
200.231.34.18
India
219.65.99.234
Netherlands
45.14.48.161
Canada
50.21.174.242
94.140.15.15
185.228.168.168
1.1.1.1
2001:4860:4860::8888
NextDNS
45.90.28.66
OpenDns
2620:119:35::35
9.9.9.9
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