Whoxy provides a WHOIS API for looking up domain registration records from a database of historical records.
Paid
24 alternativeswtfis
vsSD Finder
wtfis vs SD Finder
How do wtfis and SD Finder compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | wtfis | SD Finder |
|---|---|---|
| What it is | wtfis gathers passive hostname, domain, and IP information from public sources. | Scan a domain for subdomains with Subdomain Finder, which offers private scans that are not logged or indexed. |
| Website | ||
| Type | Open-source project | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Yes | Not stated |
| Language | English | — |
| Alternatives |
Other options to consider
Sites similar to both wtfis and SD Finder.
Cloudflare DNS provides public DNS resolution and authoritative DNS services.
FreePick
24 alternatives
IWantMyName registers domain names across more than 500 extensions and offers related plugins.
Domainr searches domain names and provides an API covering top-level domains.
OSINT Toolkit page listing website, IP, domain, email and MAC lookup tools; some tools need a known identifier to run.
Look up domain, IP, autonomous system, and entity records with RDAP.org RDAP-based lookup tool.