Subdomain Finder (2025)

1. Subdomain Finder - C99.nl

  • Subdomain Finder is a scanner that scans an entire domain to find as many subdomains as possible.

2. Free subdomain finder online 🛡️ find subdomains of domain

  • Use the free subdomain scanner to lookup and check all the subdomains of a domain. Check how many sub domains you can find to map your attack surface.

3. Subdomain finder - 9 Enumerating tools hosted online

  • Online subdomain finder, discovery and research tools to collect and gather DNS information about hosts · Knockpy · Sublist3r · DNSscan(Realtime) · Anubis ...

  • Nmmapper.com offers Online network penetration and mapping tool for penetration testers and System administrators.

4. Subdomains Lookup | Find all subdomains | WhoisXML API

  • Learn more · Subdomains Lookup API · Domains & Subdomains · Database

  • Find all the subdomains of a domain with our subdomain finder tools. Access 2.3+ billion subdomains from 10+ years of data crawling. Get started today.

5. Free Subdomain Finder: Find all Subdomains of a Website

  • Free subdomain scanner can help find all website subdomains and get additional information like traffic share or the number of keywords.

6. Find DNS Host Records | Subdomain Finder - HackerTarget.com

7. SubDomainizer - Subdomain finder in Kali Linux - GeeksforGeeks

  • Jun 6, 2021 · SubDomainizer is a free and open-source tool available on GitHub. This tool is free means you can download and use this tool for free of ...

  • A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

8. DNSDumpster.com - dns recon and research, find and lookup dns records

  • What data does DNSDumpster use? No brute force subdomain enumeration is used as is common in dns recon tools that enumerate subdomains. We use open source ...

  • Find dns records in order to identify the Internet footprint of an organization. Recon that enables deeper security assessments and discovery of the attack surface.

9. Subdomain Finder Tool | Find all Subdomains of a Website

  • A Website Subdomain Finder by Sitechecker is a tool or software used to identify the subdomains of a given domain name. The tool provides a technical assessment ...

  • Optimize your website's SEO with our Subdomain Finder Tool, perfect for auditing, competitor analysis, and compliance.

10. Top 10 Subdomain Finders for Great Website Reconnaissance - LinkedIn

  • Mar 11, 2023 · Subdomain enumeration is the process of finding #subdomains of a particular domain. Subdomain Finder is a useful tool to help discover ...

  • Subdomain enumeration is the process of finding #subdomains of a particular domain. Subdomain Finder is a useful tool to help discover website subdomains.

11. Nmmapper Subdomain finder,Nmap online,theharvester

  • Nmmapper offers nmap scans,9 subdomain finder tools,theHarvester,wappalyzer,whatweb online.

  • Nmmapper.com offers Online network penetration and mapping tool for penetration testers and System administrators.

12. Top 10 Subdomain Finders for Great Website Reconnaissance in Bug ...

  • Aug 15, 2023 · Subdomain Finder is a useful tool to help discover website subdomains. They can be used for a variety of purposes, including website ...

  • Subdomain enumeration is the process of finding #subdomains of a particular domain. Subdomain Finder is a useful tool to help discover…

13. How to Find Subdomains of a Domain? | BOTSTER.io

  • Subdomains Finder · In short · 1. Open the Launch bot form · 2. Enter the details · 3. Enter your domain. · one URL · 4. Set up notifications · 5. Start the bot!

  • Free to try! Find ALL subdomains of a domain online. No limits! Download data as an XLSX, CSV or JSON file.

14. Kali linux most used subdomain finder | Ethical-tools

  • Dec 9, 2019 · Kali linux most used subdomain finder · Sublist3r · Dnscan · Anubis Subdomain Enumerator · Amass · Nmap(dns-brute.nse) · Lepus Subdomain finder.

  • There are many subdomain finder tools out there on GitHub, if you search for subdomain finder you will find a backlog of repositories on GitHub all offering subdomain finder and enumerating tools.

15. Subdomain Finder… (subfinder) - Medium

  • Feb 19, 2024 · Subdomain Finder… (subfinder) · #credits: to whom so may ever concern. · Step 2: Is it Done? · Step 3: The Best way is To take Help from the ...

  • Psychomong people, We are Back With Another Great And Efficient Way To Find Out the Subdomain Of the Website, Hence Why it is Important.

16. Subscannon - Tool for Fastest Subdomains Finder in Kali Linux

  • Jul 28, 2021 · Subscannon – Tool for Fastest Subdomains Finder in Kali Linux ... Subscannon is a Python language-based tool that is used in the phase of ...

  • A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

17. Subdomain Finder - OpenTunnel

  • Subdomain Finder is a scanner that scans an entire domain to find as many subdomains as possible.

18. Get a list of subdomains | WhoisXML API

  • Use Subdomains Lookup API in addition to Domain Research Suite to correlate WHOIS records with subdomain intelligence when doing in-depth investigations and ...

  • List all the subdomains of a website via API calls in JSON and XML. Each subdomain list contains the total count and timestamps. Get free access today.

Subdomain Finder (2025)

FAQs

Is there a way to find all subdomains? ›

The Deep scan uses multiple techniques to find subdomains fast and effectively:
  1. DNS records (NS, MX, TXT, AXFR)
  2. Enumeration using built-in wordlists, plus the option to use your own.
  3. External APIs search.
  4. Public search engine queries (Google search, Bing)
  5. Word mutation techniques.
  6. Searching in SSL certificates.

Are subdomains bad for SEO? ›

As long as you use them correctly, subdomains are fine for your SEO performance.

Is subdomain enumeration legal? ›

This type of subdomain enumeration is resource-intensive and may have legal and ethical implications since sending large requests to a target domain is required. Because of its intrusive nature, active subdomain enumeration may trigger security alerts.

How does subdomain finder work? ›

Subdomain Finder scans the DNS records and supplementary databases to analyze the domain's hierarchy. Our subdomain scanner checks: DNS records (NS, MX, TXT, AXFR) DNS enumeration.

What is the best tool to find subdomains? ›

The Best Subdomain Enumeration Tools
  • Google Dorking. Google Dorking is a passive subdomain enumeration technique using Google's advanced search operators, like "site:" to find information about a target, including subdomains. ...
  • Sublist3r. ...
  • Amass. ...
  • Recon-ng. ...
  • SubDomainizer. ...
  • Pentest Tools Subdomain Finder. ...
  • crt.sh. ...
  • Shodan.
May 13, 2024

How many subdomains is too many? ›

A domain can have up to 500 subdomains. You can create multiple levels of subdomains such as store.product.yoursite.com, test.forum.yoursite.com, etc. Each subdomain can be up to 255 characters long, but for multi level subdomains, each level can only be 63 characters long.

Does Google like subdomains? ›

The short answer is yes, Google can and will index and rank subdomains unless you explicitly take steps to ensure they're excluded from its index. Google's entire business model is based on discovering content. The same goes for all search engines.

What is better, a subdomain or a subdirectory? ›

According to Google, subdomains and subdirectories are seen as equal when it comes to indexing and ranking. That said, real-world case studies show that subdirectories tend to rank faster and more effectively than subdomains on the first page of the search engine results page (SERPs).

Can subdomains rank in Google? ›

Subdomains can rank well on Google, but it depends on various factors such as the quality and relevance of the content, the authority and popularity of the domain, and the competition in the specific search terms you are targeting.

Do I own a subdomain if I own a domain? ›

Yes. When you purchase the root domain, you can set up any subdomain you want on that root domain. Before you use Google Search Console (used to be Google Webmaster Tool), you should set up your site so that all traffic going to the root domain gets redirected to the www version.

What is subdomain hijacking? ›

It's a cyber threat executed when an attacker gains control of a legitimate subdomain that's no longer in use, then cleverly exploits the forgotten or misconfigured dangling DNS to host their own content on the previously used zone.

Do subdomains need their own DNS record? ›

Within the same domain, you can create one or more subdomains. This allows you to organise the structure of your website, or group different websites on the same server. By default, the domain and its subdomains are part of the same DNS zone, i.e. they are hosted on the same web server.

Are subdomains searchable? ›

YES. Search engines index subdomains – this has been established.

Who owns the subdomain? ›

Create subdomains for specific users or clients

You can create a subdomain that is specifically intended for them to give an idea of what their new website might look like. This is hosted on your own main domain, while retaining ownership of the subdomain.

How do I find all the subsites of a website? ›

You can usually locate it in the root or footer section of the website. For example, the XML sitemap URL could be “www.example.com/sitemap.xml“. Once you click on the sitemap, you will find all pages & subpages of a website. You can use different sitemap generation tools if you don't have an existing sitemap.

How to search subdomains in Google? ›

By search engines

Search engines like Google supports various advanced search operators to refine search queries. These operators are often referred to as Google Dorks. We can use site: operator in Google search to find all the Subdomains that Google has found for a Domain. Lets take an example on “site:vulnweb.com”.

What search phrase can be used to find subdomains of a website? ›

There are some subdomains that are defined for virtually every domain name, such as www, and others that are very common, like shop or mail. But by going through and trying a DNS query using `dig`, `nslookup`, or `host` for as many possible subdomains, you might find some hidden ones.

Can Nmap scan subdomains? ›

While Nmap is primarily used for network mapping, it can also be used for subdomain hunting. Nmap uses various techniques, such as port scanning, to identify active subdomains and gather information about them.

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