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.

Free subdomain finder online 🛡️ find subdomains of domain

3. Subdomains Lookup | Find all subdomains | WhoisXML API

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

  • 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.

Subdomains Lookup | Find all subdomains | WhoisXML API

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

Free Subdomain Finder: Find all Subdomains of a Website

5. 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.

Subdomain finder - 9 Enumerating tools hosted online

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

  • Online tool to enumerate subdomains of a domain. Find host records for a domain during the discovery phase of a security assessment or penetration test.

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.

SubDomainizer - Subdomain finder in Kali Linux - GeeksforGeeks

8. 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.

Subdomain Finder Tool | Find all Subdomains of a Website

9. 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.

10. 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.

Kali linux most used subdomain finder | Ethical-tools

11. Subdomain Discovery in Cybersecurity with Kali Linux

  • Nov 1, 2023 · Subdomain Finder… (subfinder). psychomong · Subdomain Finder… (subfinder). Psychomong people, We are Back With Another Great And ...

  • Subdomain in Cybersecurity with Kali Linux

Subdomain Discovery in Cybersecurity with Kali Linux
Subdomain Finder (2025)

FAQs

How do I find a website subdomain? ›

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.

What is the best tool to find subdomains? ›

Here are ten highly effective options.
  • 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

Are subdomains bad for SEO? ›

Subdomains aren't directly bad for SEO, but they're not always the most strategic choice.

How do I find subdomains in Google? ›

Google Dorking

Google Dorks are one of the best ways to find extenstive information about a target. Google's search operators make it easy to narrow down the search to find more subdomains. We can use the "site" operator in the search bar to find all the subdomains that Google has indexed for a domain.

How do I find all subsites of a website? ›

If all else fails, you can use Google search to find all the pages on a website. Simply type “site:example.com” (replace “example.com” with the website's URL) into Google's search bar, and it will return a list of all the pages on that site that Google has indexed.

What does a subdomain URL look like? ›

While a subdomain will appear before your TLD, a subdirectory link will include the subdirectory name after the original TLD. For example: Subdomain example: mysubdomain.mywebsite.com. Subdirectory example: mywebsite.com/mysubdirectory.

What is a subdomain finder? ›

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. SSL certificates.

Are subdomains still used? ›

This helps you to create a different look, feel, and functionality for your online store than your main website. You'll come across subdomains like these all over the internet. They're incredibly common. To see whether your site is using any subdomains, crawl your website with Semrush's Site Audit tool.

Does Google crawl subdomains? ›

However, Google treats subdomains as separate sites.

While “blog.example.com” and “example.com” may share a root domain, Googlebot will view them as distinct domains and crawl and index them accordingly.

Do subdomains need their own sitemap? ›

A sitemap is a file of your site's pages, links and other information that helps Google read and index your site. Each subdomain has its own dedicated sitemap that needs to be submitted to Google individually. Tip: You can check your subdomain's sitemap in the address bar by adding /sitemap.

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.

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).

Does Google allow subdomains? ›

Yes you can do this. Sub domains are treat no differently to regular domains.

Does Google treat subdomains as separate sites? ›

Google Considers Subdomains as Separate Standalone Sites

Google has always treated subdomains as different sites, separate from the main domain. This is evident within Google Search Console, where subdomains have to be verified separately from the content that exists under the main domain website.

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.

What is my subdomain domain? ›

A subdomain is an extension of your domain that helps you organize content and expand your business offerings. It allows you to create standalone pages or functions, such as a blog or online store.

What are common URL subdomains? ›

Best Subdomain Example Names
  • www.yourdomain.com – Main URL.
  • www.yourdomain.com/blog – Blog URL.
  • www.yourdomain/lp – Landing page URL, will need to manually ad lp/ for each post.

What is the difference between a website and a subdomain? ›

The domain is the highest level in the website address hierarchy. Subdomains are secondary domains that are part of the primary domain. For instance, in "blog.example.com," "blog" is the subdomain of the "example.com" domain. Subdomains allow you to divide sections of a website under the umbrella of the main domain.

How do I point a subdomain to a website? ›

It's quite easy to do so – all you have to do is create a CNAME record in your domain name system (DNS) records for the subdomain and point it at the desired destination URL. Creating a CNAME record in DNS is a general process, and the same basic steps can be used regardless of which hosting provider you're using.

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