No whois server is known for this kind of object.

one.one.one.one has address 1.0.0.1 one.one.one.one has address 1.1.1.1 one.one.one.one has IPv6 address 2606:4700:4700::1001 one.one.one.one has IPv6 address 2606:4700:4700::1111

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.4 <<>> one.one.one.one ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50197 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;one.one.one.one. IN A ;; ANSWER SECTION: one.one.one.one. 283 IN A 1.0.0.1 one.one.one.one. 283 IN A 1.1.1.1 ;; Query time: 4 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Wed Feb 02 14:44:47 UTC 2022 ;; MSG SIZE rcvd: 76

Server: 8.8.8.8 Address: 8.8.8.8#53 Non-authoritative answer: Name: one.one.one.one Address: 1.1.1.1 Name: one.one.one.one Address: 1.0.0.1 Name: one.one.one.one Address: 2606:4700:4700::1001 Name: one.one.one.one Address: 2606:4700:4700::1111

PING one.one.one.one (1.1.1.1) 56(84) bytes of data. 64 bytes from one.one.one.one (1.1.1.1): icmp_seq=1 ttl=57 time=3.91 ms 64 bytes from one.one.one.one (1.1.1.1): icmp_seq=2 ttl=57 time=3.96 ms 64 bytes from one.one.one.one (1.1.1.1): icmp_seq=3 ttl=57 time=4.10 ms --- one.one.one.one ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 3.919/3.994/4.104/0.094 ms

traceroute to one.one.one.one (1.0.0.1), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 8.739 ms 8.958 ms 8.945 ms 2 14715.your-cloud.host (49.12.137.112) 0.386 ms 0.377 ms 0.347 ms 3 * * * 4 static.88-198-249-61.clients.your-server.de (88.198.249.61) 2.541 ms 2.556 ms static.88-198-249-57.clients.your-server.de (88.198.249.57) 1.200 ms 5 static.213-133-108-149.clients.your-server.de (213.133.108.149) 1.011 ms 0.994 ms spine12.cloud1.nbg1.hetzner.com (78.47.3.45) 1.158 ms 6 213-239-239-121.clients.your-server.de (213.239.239.121) 0.670 ms 213-239-239-141.clients.your-server.de (213.239.239.141) 0.705 ms 4.376 ms 7 core4.fra.hetzner.com (213.239.245.245) 3.770 ms core1.fra.hetzner.com (213.239.245.250) 3.491 ms core0.fra.hetzner.com (213.239.252.21) 3.553 ms 8 core8.fra.hetzner.com (213.239.224.217) 14.509 ms core9.fra.hetzner.com (213.239.224.221) 11.574 ms 11.459 ms 9 * * 162.158.84.254 (162.158.84.254) 4.384 ms 10 * 172.70.240.3 (172.70.240.3) 4.078 ms 172.70.244.3 (172.70.244.3) 4.796 ms 11 one.one.one.one (1.0.0.1) 4.005 ms 3.934 ms 3.902 ms

An error occurred. This command accepts IP addresses only. You can use nslookup to get the addresses of one.one.one.one