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.

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 ...

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

4. 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.

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.

7. Nmmapper Subdomain finder,Nmap online,theharvester

  • Subdomains · Nmap online port scanner... · theHarvester · Bing IP2Host

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

8. Subdomain Finder - RapidAPI

  • 6 mei 2024 · CODEROG Subdomain Finder API provides a simple and efficient way to discover subdomains associated with a given domain.

  • CODEROG Subdomain Finder API provides a simple and efficient way to discover subdomains associated with a given domain. It leverages advanced scanning techniques to uncover a comprehensive list of subdomains along with their corresponding IP addresses or CNAME records. Whether you're conducting security assessments, domain management, or market research, this API offers valuable insights into the online presence of any domain.

9. Subdomain Finder - OpenTunnel

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

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

  • 15 aug 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…

Subdomain Finder (2024)


How can I find subdomains? ›

There are several ways to find subdomains:
  1. Manually, by using the site:* operator in Google.
  2. By checking DNS records using the nslookup command.
  3. By using our online subdomain scanner or similar tools.

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

How do I find subdomains on 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 subdomain scanners work? ›

The Subdomain Scanner uses the target domain's DNS server (or any other DNS server specified) to scan the DNS records for possible subdomains. While scanning, the Subdomain Scanner will also automatically identify if the domain being scanned uses wildcards (*.

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.

What is a subdomain finder? ›

A Subdomain Finder is a subdomain enumeration tool that helps you discover subdomain hosts (aka subdomain FQDNs) which serve specific functions for your target (e.g. hosting public websites, private subdomains for testing web apps, URLs where you can find backups, etc.).

Does Google index subdomains? ›

Google discovers and prioritizes the indexation of URLs based on the links pointing to those URLs. These links can be from external domains or from other accessible subdomains on the same root domain.

Are subdomains worth it? ›

Are subdomains bad for SEO? Subdomains aren't directly bad for SEO, but they're not always the most strategic choice. Google states that subdomains and subdirectories are both fine, but subdomains are crawled and tracked separately.

Does Google penalize subdomains? ›

Google will not penalize international websites that exist on separate subdomains if they have duplicate content. Instead, it will recognise the pages are identical and in most cases index both, but will only pick one URL to show in search results.

Does Google Tag Manager work on subdomains? ›

If you want to track visitors across different subdomains or domains of your business, then you will need to use the same GA property. But that does not mean that you need to use the same GTM container. Every website can use a different Google Tag Manager container but send the data to the same GA property.

What is my subdomain? ›

A subdomain name is a piece of additional information added to the beginning of a website's domain name. It allows websites to separate and organize content for a specific function — such as a blog or an online store — from the rest of your website.

What is the best tool to check subdomain takeover? ›

Subdominator is a dependable and fast open-source command-line interface tool to identify subdomain takeovers.

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.

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:

How does Google view subdomains? ›

However, Google treats subdomains as separate sites.

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

Are subdomains included with the domain? ›

Subdomains are used to expand the use of a single domain, these do not need to be purchased separately to your domain; if you own a domain then you can add a subdomain to this. This method is commonly used for Moodle and Totara site setups. An example of a subdomain is “”

Do subdomains have IP addresses? ›

But, the subdomain can contain anything, not only IP addresses, and DNS records usually contain only host IPs, for example the mail server IP addresses for As such, while you can define some sort of logic between your IP blocks and subdomains, there's not relation between the two.

Do subdomains have their own DNS? ›

Each name has its own DNS records – really, the whole point of subdomains is that each of them can have different records (and point to different IP addresses) than the main domain.

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