Domain Digger looks up DNS, WHOIS, IP data, SSL history, and subdomains for a domain.
Merklemap
vswhois
Merklemap vs whois
How do Merklemap and whois compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Merklemap | whois |
|---|---|---|
| What it is | Find subdomains and certificates linked to a website with Merklemap search and enumeration tools. | Look up DNS records and RDAP domain information with whois_, which supports common record types and network entities. |
| Website | ||
| Type | Online tool | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Merklemap and whois.
Whoxy provides a WHOIS API for looking up domain registration records from a database of historical records.
Paid
24 alternativesLook up domain, IP, autonomous system, and entity records with RDAP.org RDAP-based lookup tool.
Scan a domain for subdomains with Subdomain Finder, which offers private scans that are not logged or indexed.
Netlas provides search tools for internet infrastructure, including DNS, WHOIS, and IP lookups.
Domainr searches domain names and provides an API covering top-level domains.




