Topics / #subdomain
Subdomain projects on GitHub
Subdomain enumeration and wildcard domain registration tools.
As of , the most-starred Subdomain projects on GitHub are DNSHE-FreeDomains (20K stars), amass (15.4K stars) and FreeDomains (13.1K stars). GitHub.Locker tracks 7 Subdomain repositories with 81.4K stars combined. The fastest-growing on October 16 was DNSHE-FreeDomains, with +94 stars in a day.
Hot right now
Most stars gained in a day · Oct 16
+94DNSHE-FreeDomains
dnshe/DNSHE-FreeDomains · ★ 20KDNSHE is a free domain registration and DNS resolution service run by a Singapore youth public-interest team, giving developers, students, and open-source projects free subdomains under suffixes like us.ci, cc.cd, de5.net, and bot.cd, with Anycast DNS and full record management.
+10FreeDomains
stackryze/FreeDomains · ★ 13.1KStackryze Domains is a free managed subdomain service that lets developers, students, and open-source projects claim a free subdomain (like yourname.indevs.in) and point it to any hosting provider or their own infrastructure.
+8amass
owasp-amass/amass · ★ 15.4KAmass is an OWASP project that maps attack surfaces and discovers external assets (like subdomains, IPs, and infrastructure) using open source intelligence gathering and active reconnaissance.
+8register
is-a-dev/register · ★ 11.6Kis-a.dev lets any developer claim a free, personalized '.is-a.dev' subdomain for their website by submitting a pull request to this GitHub repository; Cloudflare then publishes the DNS records for free.
The all-time top
7 projects · by stars
- 20K
#1 · dnshe/DNSHE-FreeDomainsDNSHE-FreeDomains
DNSHE is a free domain registration and DNS resolution service run by a Singapore youth public-interest team, giving developers, students, and open-source projects free subdomains under suffixes like us.ci, cc.cd, de5.net, and bot.cd, with Anycast DNS and full record management.
- 15.4K
#2 · owasp-amass/amassamass
Amass is an OWASP project that maps attack surfaces and discovers external assets (like subdomains, IPs, and infrastructure) using open source intelligence gathering and active reconnaissance.
- 13.1K
#3 · stackryze/FreeDomainsFreeDomains
Stackryze Domains is a free managed subdomain service that lets developers, students, and open-source projects claim a free subdomain (like yourname.indevs.in) and point it to any hosting provider or their own infrastructure.
- 4

register
11.6Kis-a-dev/register · JavaScriptis-a.dev lets any developer claim a free, personalized '.is-a.dev' subdomain for their website by submitting a pull request to this GitHub repository; Cloudflare then publishes the DNS records for free.
- 5

Sublist3r
11.1Kaboul3la/Sublist3r · PythonSublist3r is a Python tool that enumerates subdomains of a target website using OSINT, helping penetration testers and bug hunters gather subdomains for a domain they are targeting.
- 6
OneForAll
10.1Kshmilylty/OneForAll · PythonOneForAll is a powerful subdomain collection tool: point it at a target domain and it gathers subdomains from many sources — a core reconnaissance step in penetration testing, which is why the author built it.
- 7

is-a-software
191is-a-software/is-a-software · JavaScriptis-a-software lets developers claim a free custom subdomain under .is-a.software (like myproject.is-a.software) and point it at their site using custom DNS records such as A, AAAA, CNAME, TXT, MX, and NS.
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