WHOIS Server Configuration

Data Sources:
Primary: rfc1036/whois (authoritative, maintained)
Supplemental: simplebytes-com/whois-server-list (877 TLDs)
Last Updated: January 4, 2026

Working WHOIS Servers

Skipped TLDs (Web-only/None)

Total TLDs Covered

Download Data

Download Working Servers (JSON) Download Skip TLDs (JSON)

whois_servers.json: TLD to WHOIS server mappings (883 entries)
whois_skip_tlds.json: TLDs with no port 43 WHOIS service (42 entries)

Working Servers

Skip TLDs

Working WHOIS Servers (- TLDs)

TLD	WHOIS Server

Skipped TLDs (- TLDs)

These TLDs have no port 43 WHOIS service - they only offer web-based lookup or no public WHOIS at all.