1. whois
Domain Name: FB.COM Registry Domain ID: 426007_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.registrarsafe.com Registrar URL: http://www.registrarsafe.com Updated Date: 2022-02-16T18:35:24Z Creation Date: 1990-05-22T04:00:00Z Registry Expiry Date: 2031-05-23T04:00:00Z Registrar: RegistrarSafe, LLC Registrar IANA ID: 3237 Registrar Abuse Contact Email: abusecomplaints@registrarsafe.com Registrar Abuse Contact Phone: +1-650-308-7004 Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited Name Server: A.NS.FACEBOOK.COM Name Server: B.NS.FACEBOOK.COM Name Server: C.NS.FACEBOOK.COM Name Server: D.NS.FACEBOOK.COM Name Server: NS-1182.AWSDNS-19.ORG Name Server: NS-1861.AWSDNS-40.CO.UK Name Server: NS-301.AWSDNS-37.COM Name Server: NS-931.AWSDNS-52.NET DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of whois database: 2023-01-21T11:25:12Z <<<
2系統に分かれた返事をする。
2. history
diff fb.com {'ns-1861.awsdns-40.co.uk.', 'ns-931.awsdns-52.net.', 'ns-301.awsdns-37.com.', 'ns-1182.awsdns-19.org.'} diff fb.com {'a.ns.facebook.com.', 'd.ns.facebook.com.', 'c.ns.facebook.com.', 'b.ns.facebook.com.'}