1
InstantDomain
instantdomainsearch.comAlso covers dns lookup and domain ip dns
Search domain names and check availability across more than 800 extensions with InstantDomain.
Alternatives
The Best Whois Alternatives in 2026
24 alternatives1 free · 0 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.
Check domain registration details and availability with Whois.com, which also sells domain names and hosting.
Top picks at a glance
First suggestionInstantDomainSearch domain names and check availability across more than…Free or freemium optionCloudflare DNSCloudflare DNS provides public DNS resolution and…Another optionWhoxyWhoxy provides a WHOIS API for looking up domain…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | InstantDomain | — | Not stated | Web |
| 2 | Whoxy | Paid | Not stated | Web |
| 3 | Whois Search | — | Not stated | Web |
| 4 | Pyfunceble | — | Not stated | Web |
| 5 | Domain Tools | — | Not stated | Web |
| 6 | Wappalyzer | — | Not stated | Web |
| 7 | IWantMyName | — | Not stated | Web |
| 8 | Domainr | — | Not stated | Web |
| 9 | DomainTyper | — | Not stated | Android, iOS, Web |
| 10 | dnslytics | — | Not stated | Web |
All Whois alternatives
2
Also covers dns lookup and domain ip dns · same kind of online tool
Whoxy provides a WHOIS API for looking up domain registration records from a database of historical records.
3
Whois Search
webwhois.verisign.com/webwhois-ui/index.jsp?la…Also covers dns lookup and domain ip dns · same kind of online tool
Verisign Whois Search provides information about domain name registrations, including .com and .net records.
4
Pyfunceble
pyfunceble.github.ioAlso covers dns lookup and domain ip dns · same kind of online tool
PyFunceble checks whether domains, IP addresses, and URLs are available or syntactically valid.
5
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.
6
Wappalyzer
wappalyzer.com/lookupAlso covers dns lookup and domain ip dns · same kind of online tool
Wappalyzer identifies technologies used to build websites, showing frameworks, analytics, and hosting components.
7
IWantMyName
iwantmyname.comAlso covers dns lookup and domain ip dns · same kind of online tool
IWantMyName registers domain names across more than 500 extensions and offers related plugins.
8
Domainr
domainr.comAlso covers dns lookup and domain ip dns · same kind of online tool
Domainr searches domain names and provides an API covering top-level domains.
9
DomainTyper
domaintyper.comAlso covers dns lookup and domain ip dns · same kind of online tool
DomainTyper searches for available domain names across extensions as users type.
10
dnslytics
dnslytics.comAlso covers dns lookup and domain ip dns · same kind of online tool
DNSlytics provides reverse IP, NS, MX, WHOIS, and domain lookup tools.
11
digger.tools
digger.toolsAlso covers dns lookup and domain ip dns · same kind of online tool
Domain Digger looks up DNS, WHOIS, IP data, SSL history, and subdomains for a domain.
12
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.
13
whois
whois.b1s4.xyzAlso covers dns lookup and domain ip dns · same kind of online tool
Look up DNS records and RDAP domain information with whois_, which supports common record types and network entities.
14
Netlas:
netlas.ioAlso covers dns lookup and domain ip dns · same kind of online tool
Netlas provides search tools for internet infrastructure, including DNS, WHOIS, and IP lookups.
15
Free online network tools
centralops.net/coAlso covers dns lookup and domain ip dns · same kind of online tool
Central Ops offers network diagnostic tools including traceroute, nslookup, and WHOIS lookups.
16
IP search - Network Entity Reputation Database
nerd.cesnet.cz/nerd/ipsAlso covers dns lookup and domain ip dns
Network Entity Reputation Database lets users search IP details and reputation information through its interface.
17
RDAP
client.rdap.orgAlso covers dns lookup and domain ip dns · same kind of online tool
Look up domain, IP, autonomous system, and entity records with RDAP.org RDAP-based lookup tool.
18
SD Finder
subdomainfinder.c99.nlAlso covers dns lookup and domain ip dns · same kind of online tool
Scan a domain for subdomains with Subdomain Finder, which offers private scans that are not logged or indexed.
19
Website Information
one-plus.github.io/WebsiteInformationAlso covers dns lookup and domain ip dns · same kind of online tool
OSINT Toolkit page listing website, IP, domain, email and MAC lookup tools; some tools need a known identifier to run.
20
Also covers dns lookup and domain ip dns · same kind of online tool · free
Cloudflare DNS provides public DNS resolution and authoritative DNS services.
21
Whois
github.com/b1s4/whoisAlso covers dns lookup and domain ip dns
This Whois command-line tool looks up DNS and RDAP records for a domain.
22
Website search tool
aware-online.com/en/osint-tools/website-search…Also covers dns lookup and domain ip dns · same kind of online tool
Website search tool provides OSINT utilities for investigating a website and its associated infrastructure.
23
Merklemap
merklemap.comAlso covers dns lookup and domain ip dns · same kind of online tool
Find subdomains and certificates linked to a website with Merklemap search and enumeration tools.
24
GreyNoise Intelligence
greynoise.io/vizAlso covers dns lookup and domain ip dns · same kind of online tool
GreyNoise Intelligence analyzes untargeted internet scanning and provides context about IP addresses seen probing networks.
No alternatives match this filter.
Alternatives to similar tools
Cloudflare DNS24 alternativesNetlas:24 alternativesWappalyzer24 alternativesIWantMyName24 alternativesFree online network tools24 alternativesIP search - Network Entity Reputation Database24 alternatives
What is the best alternative to Whois?
Based on features, tags and platforms, the closest alternatives to Whois are InstantDomain, Whoxy, and Whois Search.
Is there a free alternative to Whois?
Yes. Cloudflare DNS is free or offer a free plan.
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