1
Also covers open source · same kind of open-source project
Subhunt enumerates subdomains using passive sources such as certificate transparency records.
Alternatives
The Best dnsx Alternatives in 2026
12 alternatives2 free · 5 open source
Looking for something like dnsx? Here are 12 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 5 are open source.
dnsx provides a fast DNS reconnaissance toolkit for resolving records and collecting DNS information from domains.
Top picks at a glance
First suggestionSubhuntSubhunt enumerates subdomains using passive sources such as…Free or freemium optionDNS HistoryDNS History stores historical DNS records, allowing users…Another optionopenSquatopenSquat detects look-alike domains that resemble an…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Subhunt | — | Yes | — |
| 2 | openSquat | — | Yes | — |
| 3 | Squatm3gator | — | Yes | — |
| 4 | Dnstwist | — | Yes | — |
| 5 | Columbus Project | — | Yes | — |
| 6 | Who.is | — | Not stated | Web |
| 7 | DNS History | Freemium | Not stated | Web |
| 8 | ViewDNS.info | Freemium | Not stated | Web |
| 9 | DomainRecon | — | Not stated | Web |
| 10 | digga | — | Not stated | Browser extension, Web |
All dnsx alternatives
2
Also covers open source · same kind of open-source project
openSquat detects look-alike domains that resemble an organization’s legitimate domains, helping identify possible impersonation.
3
Also covers open source · same kind of open-source project
Enumerate available domains generated modifying the original domain name through different cybersquatting techniques
4
Also covers open source · same kind of open-source project
DNSTwist detects lookalike domains used in homograph phishing, typosquatting, and brand impersonation.
5
Also covers open source · same kind of open-source project
Discover subdomains and review DNS history through the Columbus subdomain discovery service.
6
Who.is
who.isWho.is searches domain and website registration records, including WHOIS, RDAP, DNS, and related information.
7
Free plan
DNS History stores historical DNS records, allowing users to review past domain and infrastructure changes.
8
Free plan
ViewDNS.info is a web-based collection of DNS, domain, and IP lookup tools, including reverse IP, WHOIS, DNS records, subdomain discovery, port scanning, and traceroute. It also offers an API for domain and IP data.
9
DomainRecon
kriztalz.sh/domain-reconDomainRecon looks up DNS records, WHOIS details, SSL certificates, and IP addresses for a domain.
10
digga
digga.devResearch a domain’s DNS records, RDAP, WHOIS, subdomains, IP addresses, and email security in one report.
11
DNSai
dnsai.com/dns-toolsDNSai provides DNS lookups and analysis tools for records, WHOIS, blacklists, email authentication, and domains.
12
Mark Monitor WHOIS
whois-webform.markmonitor.com/whoisMarkMonitor WHOIS looks up domain registration records, with notices about contact information withheld for some registrations.
No alternatives match this filter.
Alternatives to similar tools
Columbus Project7 alternativesopenSquat12 alternativesWho.is9 alternativesSquatm3gator6 alternativesDNS History9 alternativesViewDNS.info17 alternatives
What is the best alternative to dnsx?
Based on features, tags and platforms, the closest alternatives to dnsx are Subhunt, openSquat, and Squatm3gator.
Is there a free alternative to dnsx?
Yes. DNS History and ViewDNS.info are free or offer a free plan.
Are there open-source alternatives to dnsx?
Yes: Subhunt, openSquat, Squatm3gator, and Dnstwist.
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