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

Free SEO tools / Subdomain Finder

Find all subdomains in one click for free and get comprehensive data on their traffic and keywords

Get accurate data on traffic and keywords of any subdomain

Free Subdomain Finder: Find all Subdomains of a Website (1)

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What you will see in the report

Traffic share

The tool shows the percentage of traffic a subdomain brings to the analyzed website. This metric demonstrates the traffic share for the selected location and period.

Total traffic

The tool shows the subdomain's organic traffic volume. SE Ranking calculates the expected click-through rate, search volume, and current keyword rankings to estimate this value.

Total traffic cost

This metric indicates the estimated cost of organic traffic a subdomain gets by targeting all discovered keywords. The tool displays cost in the equivalent of Google Ads prices.

Keywords total

The total number of keywords a subdomain ranks for in its organic search. Click through to get more data on each keyword: traffic, difficulty, search volume, competition and SERP features.

Location

Analyze subdomain performance across any location. Select any of the 190 countries to access country-level data.

Date

Get comprehensive research reports for the selected month. Access historical data to get detailed information for any past month going back to February 2020.

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FAQ

Why you need a subdomain finder

Keeping tabs on subdomains is essential for any site optimization. Search engines consider each subdomain a different site, so you need to optimize each separately to boost overall traffic and improve website performance. A subdomain scanner also helps find duplicate content, which can damage rankings of both the main domain and subdomain. It also helps identify poor-quality backlinks to subdomains that can diminish your SEO efforts.

How our subdomain finder works

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
  • HTML links
  • Search engine results
  • Reverse DNS for target IP addresses

How to use our subdomain scanner

Subdomain Finder is straightforward to use. To start, enter the target domain address and click Scan. The tool will take you to Subdomains section of SE Ranking’s Competitive Research, which reveals comprehensive, up-to-date data on every found subdomain—access data on traffic volume, share, and cost, along with the number of keywords. Filter subdomains by any metrics and access the detailed keywords report by clicking on the number of keywords. Finally, click the Export button to download the report in the .csv or .xsl format.

How reliable is our subdomain checker

Subdomain scanner ensures the highest accuracy of results. It aggregates relevant information from search engines and supplementary databases and sends additional requests to domain service providers to get the most complete and up-to-date results. The scanner is secure; we don’t save or publish any information about checked domains and their subdomains.

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

FAQs

Is there a way to find all subdomains? ›

Find All Subdomains of a Domain with Online Tools:
  1. Sublist3r: A powerful subdomain enumeration tool that uses various search engines, and it can also enumerate subdomains using brute-forcing techniques.
  2. DNSDumpster: A free online tool that allows you to find subdomains of a domain using DNS data.
Mar 3, 2024

What is the best tool to find subdomains? ›

The Best Subdomain Enumeration Tools
  • Amass. ...
  • Recon-ng. ...
  • SubDomainizer. ...
  • Pentest Tools Subdomain Finder. ...
  • crt.sh. ...
  • Shodan. ...
  • PureDNS. ...
  • ffuf (Fuzz Faster U Fool) ffuf is a fast web fuzzer written in Go and used for brute forcing.
May 13, 2024

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.

Which website provide information about subdomains? ›

Subdomain Finder is a comprehensive tool, so scan duration varies depending on the target. For an average domain, a subdomain scan takes just a few minutes. For instance, it can return up to 500 results in under 10 minutes.

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 “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.

Do subdomains show up on Google search? ›

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.

What is a subfinder? ›

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.

What is the most used subdomain? ›

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.

Why subdomains are bad for SEO? ›

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.

Does Google Search Console include subdomains? ›

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.

Which of the following is a popular subdomain enumeration tool? ›

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.

How many subdomains can a website have? ›

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.

How do I get all DNS records for a domain including subdomains? ›

Using a terminal and the command nslookup is the most effective way to search a domain's DNS records. On almost all operating systems, this command works perfectly and displays all DNS records for the domain.

Are subdomains free? ›

Are Subdomains Free? You don't have to pay for subdomains if you already have a domain name. However, you may have to pay extra for a hosting plan that includes subdomains.

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.

How do I find all the websites on a domain? ›

How to find all webpages on a website?
  1. Google search. One of the simplest methods is to use Google search. ...
  2. Sitemap and robots. txt. ...
  3. SEO spider tools. If you're looking for a straightforward solution without much hassle, consider using an SEO spider tool. ...
  4. Custom scripting.
Feb 20, 2024

How do I find subdomains in Analytics? ›

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.

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