FAQs
The Deep scan uses multiple techniques to find subdomains fast and effectively:
- DNS records (NS, MX, TXT, AXFR)
- Enumeration using built-in wordlists, plus the option to use your own.
- External APIs search.
- Public search engine queries (Google search, Bing)
- Word mutation techniques.
- Searching in SSL certificates.
Is a subdomain bad for SEO? ›
Subdomains aren't inherently bad for SEO, but they can impact your site's SEO strategy if not used wisely. Since subdomains are treated as separate entities by search engines, they may dilute the overall authority of your main site if not managed properly.
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 is a subdomain finder? ›
What is a Subdomain Finder? A Subdomain Finder is a tool that discovers and lists all subdomains associated with a primary domain. In addition to subdomains URLs, the tool provides general data on each one, including traffic forecasts, traffic share, the number of keywords, and more.
What is the best tool to find subdomains? ›
The Best Subdomain Enumeration Tools
- 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.
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.
Do subdomains get indexed by Google? ›
Yes, Google does index subdomains.
However, it's crucial to note that while Google indexes subdomains, each subdomain's ranking would still depend on the quality and relevance of its content, its inbound links, and several other SEO factors.
Do subdomains rank in Google? ›
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.
Does Google penalize subdomains? ›
Google will not penalize international websites that exist on separate subdomains if they have duplicate content.
Is subdomain takeover illegal? ›
Subdomain takeover can have severe legal implications, as attackers may engage in illegal activities or host malicious content on compromised subdomains. It's crucial to report any such incidents to law enforcement authorities and take immediate steps to mitigate the risks to protect your reputation and users.
Dangling DNS records are misconfigured DNS records that point to non-existent or expired services. These records can be a security risk, leaving companies vulnerable to subdomain takeovers. Many companies create new subdomains regularly for testing purposes or to point to third-party services.
Can you fake a subdomain? ›
Subdomain Spoofing: Attackers can create subdomains that appear to be legitimate but are actually fake.
Why not use subdomain? ›
If you're using SEO as your primary way of generating traffic for your site, you might want to avoid subdomains. You want to create cohesiveness across your brand and that includes all aspects of your website.
How do you tell if a website is a subdomain? ›
Regular domains are your standard URLs like splashthat.com or splashthat. events. Subdomains are a unique URL that lives on your purchased domain as an extension in front of your regular domain like support.splashthat.com or blockparty.splashthat.com.
What does the subdomain tell you? ›
A subdomain is an additional directory or location of a website that is typically used to distinguish content types or the type of information presented with each subdomain. Subdomain addresses can help improve a website's navigation, SEO, or even a website's organizational needs.
How to find all domains of a website? ›
How to find all webpages on a website?
- Google search. One of the simplest methods is to use Google search. ...
- Sitemap and robots. txt. ...
- SEO spider tools. If you're looking for a straightforward solution without much hassle, consider using an SEO spider tool. ...
- Custom scripting.
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. Google's entire business model is based on discovering content. The same goes for all search engines.
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 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.