The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments are domain names, IP addresses and AS numbers. By submitting any personal data, you acknowledge and agree that the personal data submitted will be processed in accordance with our Privacy Policy, and you agree to abide by the website Terms of Service.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object refer: whois.nic.ch domain: CH organisation: SWITCH The Swiss Education & Research Network address: Werdstrasse 2 address: Zurich CH-8021 address: Switzerland contact: administrative name: SWITCH TLD Administration organisation: SWITCH The Swiss Education & Research Network address: Werdstrasse 2 address: Zurich CH-8021 address: Switzerland phone: +41 44 268 15 40 fax-no: +41 44 268 15 78 e-mail: tld-admin@switch.ch contact: technical name: DNS Operations organisation: SWITCH The Swiss Education & Research Network address: Werdstrasse 2 address: Zurich CH-8021 address: Switzerland phone: +41 44 268 15 40 fax-no: +41 44 268 15 78 e-mail: dns-operation@switch.ch nserver: A.NIC.CH 130.59.31.41 2001:620:0:ff:0:0:0:56 nserver: B.NIC.CH 130.59.31.43 2001:620:0:ff:0:0:0:58 nserver: D.NIC.CH 194.0.25.39 2001:678:20:0:0:0:0:39 nserver: E.NIC.CH 194.0.17.1 2001:678:3:0:0:0:0:1 nserver: F.NIC.CH 194.146.106.10 2001:67c:1010:2:0:0:0:53 ds-rdata: 58745 13 2 083ed7735a6aad21d51cb0af5c485055602b392435e92b2c13614a6bc8d46b92 whois: whois.nic.ch status: ACTIVE remarks: Registration information: https://www.nic.ch/ created: 1987-05-20 changed: 2025-11-20 source: IANA