They operate their own registrar for .com, .net, .org, .biz and some others zones.
See:
Code:
Domain Name: DOXBIN.ORG
Registry Domain ID: D402200000005678429-LROR
Registrar WHOIS Server: whois.ilovewww.com
Registrar URL: ilovewww.com
Updated Date: 2021-02-14T00:24:40Z
Creation Date: 2018-03-30T23:41:59Z
Registry Expiry Date: 2023-03-30T23:41:59Z
Registrar Registration Expiration Date:
Registrar: Shinjiru MSC Sdn Bhd
Registrar IANA ID: 1741
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +603.79871191
Reseller:
Domain Status: clientTransferProhibited