A records not consistent
Authoritative servers agree, but not all other servers do.
- This is normal for A records. They can be geo- or round-robin load-balanced.
- Some servers may have cached older records. Wait for their TTLs to expire.
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 uni-koeln.de .
managed by the owner of uni-koeln.de .
dns-1.dfn.de
193.174.75.50
The official source of information for this domain,
managed by the owner of uni-koeln.de .
managed by the owner of uni-koeln.de .
mail1.rrz.uni-koeln.de
134.95.100.208
The official source of information for this domain,
managed by the owner of uni-koeln.de .
managed by the owner of uni-koeln.de .
noc2.rrz.uni-koeln.de
134.95.129.23
The official source of information for this domain,
managed by the owner of uni-koeln.de .
managed by the owner of uni-koeln.de .
ns2.netcologne.de
194.8.194.71
South Africa
105.243.206.201
United States of America
135.148.149.226
Australia
139.180.163.112
India
172.232.76.111
Netherlands
185.105.108.243
Russia
185.246.88.234
Brazil
200.231.34.18
Ukraine
91.199.93.61
2a10:50c0::ad2:ff
185.228.168.168
2606:4700:4700::1001
8.8.4.4
NextDNS
45.90.28.66
OpenDns
2620:119:35::35
2620:fe::9
Canada
38.61.51.121
No A records found