Subdomain Finder (2024)

1. Subdomain Finder -

  • 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. Subdomain finder - 9 Enumerating tools hosted online

Subdomain finder - 9 Enumerating tools hosted online

4. 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.

Free Subdomain Finder: Find all Subdomains of a Website

5. Subdomains Lookup | Find all subdomains | WhoisXML API

  • A subdomain lookup tool, also known as a subdomain finder tool, helps identify subdomains associated with a domain name using passive DNS data. It can have ...

  • 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

6. 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

7. Find DNS Host Records | Subdomain Finder -

  • 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.

8. Nmmapper Subdomain finder,Nmap online,theharvester

  • Subdomains · Subdomain Api · Nmap online port scanner... · Basic Plans

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

Nmmapper Subdomain finder,Nmap online,theharvester
Subdomain Finder (2024)


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. ...
  • ...
  • Shodan.
May 13, 2024

Are subdomains bad for SEO? ›

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

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? ›

You can usually locate it in the root or footer section of the website. For example, the XML sitemap URL could be ““. Once you click on the sitemap, you will find all pages & subpages of a website.

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: Subdirectory example:

Are subdomains searchable? ›

Google bots can find and index pages on a subdomain in the same way they do on a subdirectory. Subdomains also have several advantages in terms of what Google looks for in an authoritative website.

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.

Does Google crawl 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.

Do subdomains rank in Google? ›

In general, subdomains can rank well on Google if they have high-quality content that is relevant to the user's search query. However, subdomains may have less authority than the main domain, which can make it harder for them to rank for competitive keywords.

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,, etc. Each subdomain can be up to 255 characters long, but for multi level subdomains, each level can only be 63 characters long.

Is there a way to find all subdomains? ›

You should be able to sort your list of DNS records by 'Name' and thereby get a list of all the subdomains (subdomains will be everything that isn't @). You can also sort by 'Type' and look only at those with the CNAME type if you want to exclude TXT records and MX records.

Does Google allow subdomains? ›

Welcome to the Google Workspace Admin forum. 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.

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 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" is the subdomain of the "" 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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