1
whois
whois.b1s4.xyzAlso covers dns lookup and domain ip dns
Look up DNS records and RDAP domain information with whois_, which supports common record types and network entities.
Alternatives
The Best Whois Alternatives in 2026
24 alternatives1 free · 5 open source
Looking for something like Whois? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 5 are open source.
This Whois command-line tool looks up DNS and RDAP records for a domain.
Top picks at a glance
First suggestionwhoisLook up DNS records and RDAP domain information with…Free or freemium optionCloudflare DNSCloudflare DNS provides public DNS resolution and…Open source optionCloudFlare DDNS UpdaterCloudflare DDNS Updater updates dynamic DNS records so…Another optionRDAPLook up domain, IP, autonomous system, and entity records…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | whois | — | Not stated | Web |
| 2 | RDAP | — | Not stated | Web |
| 3 | Whoxy | Paid | Not stated | Web |
| 4 | digger.tools | — | Not stated | Web |
| 5 | CloudFlare DDNS Updater | — | Yes | Linux, macOS |
| 6 | Whois Search | — | Not stated | Web |
| 7 | wtfis | — | Yes | — |
| 8 | dnslytics | — | Not stated | Web |
| 9 | Whois | Paid | Not stated | Web |
| 10 | Domain Tools | — | Not stated | Web |
All Whois alternatives
2
RDAP
client.rdap.orgAlso covers dns lookup and domain ip dns
Look up domain, IP, autonomous system, and entity records with RDAP.org RDAP-based lookup tool.
3
Also covers dns lookup and domain ip dns
Whoxy provides a WHOIS API for looking up domain registration records from a database of historical records.
4
digger.tools
digger.toolsAlso covers dns lookup and domain ip dns
Domain Digger looks up DNS, WHOIS, IP data, SSL history, and subdomains for a domain.
5
Also covers dns lookup and domain ip dns · same kind of open-source project · open source
Cloudflare DDNS Updater updates dynamic DNS records so users can reach a home network through a custom domain.
6
Whois Search
webwhois.verisign.com/webwhois-ui/index.jsp?la…Also covers dns lookup and domain ip dns
Verisign Whois Search provides information about domain name registrations, including .com and .net records.
7
Also covers dns lookup and domain ip dns · same kind of open-source project · open source
wtfis gathers passive hostname, domain, and IP information from public sources.
8
dnslytics
dnslytics.comAlso covers dns lookup and domain ip dns
DNSlytics provides reverse IP, NS, MX, WHOIS, and domain lookup tools.
9
Also covers dns lookup and domain ip dns
Check domain registration details and availability with Whois.com, which also sells domain names and hosting.
10
Domain Tools
whois.domaintools.comAlso covers dns lookup and domain ip dns
DomainTools provides WHOIS lookups, domain availability searches, IP history, traffic data, and other domain research information.
11
redirect.name
redirect.nameAlso covers dns lookup and domain ip dns
Set up DNS-based URL redirects with redirect.name using DNS records, without a server or dashboard.
12
Also covers dns lookup and domain ip dns · same kind of open-source project · open source
Configure DNS over HTTPS or DNS over TLS on iOS, iPadOS, and macOS with DNSecure.
13
Also covers dns lookup and domain ip dns · same kind of open-source project · open source
SubDomainizer searches web pages, folders, and JavaScript files for subdomains and related information.
14
Also covers dns lookup and domain ip dns · same kind of open-source project · open source
metabigor collects open source intelligence about internet assets without requiring API keys for its workflow.
15
Netlas:
netlas.ioAlso covers dns lookup and domain ip dns
Netlas provides search tools for internet infrastructure, including DNS, WHOIS, and IP lookups.
16
Free online network tools
centralops.net/coAlso covers dns lookup and domain ip dns
Central Ops offers network diagnostic tools including traceroute, nslookup, and WHOIS lookups.
17
Also covers api, dns lookup, and domain ip dns · free
Cloudflare DNS provides public DNS resolution and authoritative DNS services.
18
Also covers dns lookup and domain ip dns
Google Transparency Report publishes data about requests and activity affecting Google services.
19
Website Information
one-plus.github.io/WebsiteInformationAlso covers dns lookup and domain ip dns
OSINT Toolkit page listing website, IP, domain, email and MAC lookup tools; some tools need a known identifier to run.
20
IWantMyName
iwantmyname.comAlso covers dns lookup and domain ip dns
IWantMyName registers domain names across more than 500 extensions and offers related plugins.
21
Domainr
domainr.comAlso covers dns lookup and domain ip dns
Domainr searches domain names and provides an API covering top-level domains.
22
InstantDomain
instantdomainsearch.comAlso covers dns lookup and domain ip dns
Search domain names and check availability across more than 800 extensions with InstantDomain.
23
SD Finder
subdomainfinder.c99.nlAlso covers dns lookup and domain ip dns
Scan a domain for subdomains with Subdomain Finder, which offers private scans that are not logged or indexed.
24
IANA — Root Zone Database
iana.org/domains/root/dbAlso covers dns lookup and domain ip dns
IANA Root Zone Database lists delegation details for top-level domains in the DNS root.
No alternatives match this filter.
Alternatives to similar tools
Google Transparency Report24 alternativesCloudflare DNS24 alternativesNetlas:24 alternativesRDAP24 alternativesCloudFlare DDNS Updater24 alternativesFree online network tools24 alternatives
What is the best alternative to Whois?
Based on features, tags and platforms, the closest alternatives to Whois are whois, RDAP, and Whoxy.
Is there a free alternative to Whois?
Yes. Cloudflare DNS is free or offer a free plan.
Are there open-source alternatives to Whois?
Yes: CloudFlare DDNS Updater, wtfis, Dnsecure, and SubDomainizer.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative