Free Subdomain Finder: Find all Subdomains of a Website (2024)

FAQs

Is there a way to find all subdomains? ›

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.

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.

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.

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.

subfinder is a subdomain discovery tool that returns valid subdomains for websites, using passive online sources. It has a simple, modular architecture and is optimized for speed. subfinder is built for doing one thing only - passive subdomain enumeration, and it does that very well.

The most common subdomain is “www” or “world wide web.” The subdirectory points users to the main directory of a website—in other words, where your homepage and other core pages live. Other subdomains work to create distinct parts of a site. For example, Google's root domain is www.google.com.

One disadvantage of using subdomains for SEO is that they are treated as separate entities by search engines, which can dilute the overall authority of your main site. Additionally, managing content on subdomains can be more complex than on a subdirectory, as it requires separate hosting and maintenance.

Yes. you can verify your subdomain to be used in Google Search Console by linking your account to Google Analytics. This way you avoid customizing the theme of your help center. Go to www.google.com/analytics and set up a property within your Google Analytics account for your subdomain.

What is the subdomain enumeration tool for Windows? ›

Turbolist3r is the tool for Subdomain enumeration. It is the fork of the tool Sublist3r. This tool also allows brute-forcing of the subdomains using the subbrute tool utility. Turbolist3r queries public DNS servers for every discovered subdomain.

AltDNS. AltDNS is a tool that can be used to discover subdomains by generating permutations of domain names. It can be used to find subdomains of a single domain or multiple domains. Additionally, it can be used to find subdomains using search engines and other sources.

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”.

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).

You don't want a subdomain on your website because it can compromise and harm your SEO efforts. If you're a small business with limited resources, you should make the most out of what you have. Creating a subdomain can waste your SEO budget and leave you with no results.

Characteristics and Parameters of a Subdomain

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.

Typing "site:YOURDOMAIN.com" (replace "YOURDOMAIN.com" with your site's domain name) in Google's search bar will display a list of indexed pages from your website. Please keep in mind, Google may not discover every page, and the count may include outdated pages.

Go to GA4 admin > Data Streams > Select your web data stream > Configure Tag Settings > Show More > List unwanted referrals and then enter your main domain there. For example, if your subdomains are subdomain1.example.com and subdomain2.example.com, then enter example.com in the settings of GA4. Save the changes.