1. Name.com
Contents
1.1. Registar
notion.so が利用しているレジストラ
1api.netとの関係は? https://www.1api.net/
Hosting, email & websites
Name.com is an ICANN-accredited domain name registrar.
1.2. whois history
https://whois-history.whoisxmlapi.com/api/signup
https://www.domaintools.com/resources/api-documentation/whois-history
https://www.domaintools.com/support/how-do-i-use-whois-history