Subdomain Checker (2024)

1. Subdomain Finder - C99.nl

  • 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. Find all Subdomains of a Website - SE Ranking

  • Free subdomain scanner can help find all website subdomains and get additional information like traffic share or the number of keywords.

4. Subdomains Lookup | Find all subdomains | WhoisXML API

5. 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.

  • Optimize your website's SEO with our Subdomain Finder Tool, perfect for auditing, competitor analysis, and compliance.

6. Subdomain finder - 9 Enumerating tools hosted online

7. Find DNS Host Records | Subdomain Finder - HackerTarget.com

  • 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. DNSDumpster.com - dns recon and research, find and lookup dns records

  • More than a simple DNS lookup this tool will discover those hard to find sub-domains and web hosts. The search relies on data from our crawls of the Alexa Top 1 ...

  • Find dns records in order to identify the Internet footprint of an organization. Recon that enables deeper security assessments and discovery of the attack surface.

9. Find site Subdomains and Mirrors Online - Free tool - SiteAnalyzer

  • Subdomain Scanner tool is designed to search for subdomains of an interesting website. Our online checker can find all subdomains of a target domain.

  • Subdomain search tool will find all subdomains and website mirrors indexed by the Google.

10. Subdomain finder {Gratis SEO tool}✴️

  • Een Subdomain Finder is een hulpmiddel dat automatisch subdomeinen van een bepaald hoofddomein identificeert. ... XML Sitemap Checker. Open · Ralfvanveen.com.

  • ...

11. [FREE] Subdomain Checker Tool

  • Subdomain Checker. Enter Domain: Check. More Tools. Default Thumbnail Screen Recorder Online Default Thumbnail Regex Tester and Debugger Tool Default ...

  • Enter Domain: Check More Tools Screen Recorder Online Regex Tester and Debugger Tool Text Replacer Core Script Reader

Subdomain Checker (2024)

FAQs

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.

How do I verify a subdomain? ›

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.

How many subdomains is too many? ›

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.

What is subdomain checker? ›

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 penalize subdomains? ›

Google will not penalize international websites that exist on separate subdomains if they have duplicate content.

Does Google like 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.

Is subdomain a fully qualified domain name? ›

A FQDN is a domain name that includes a host name, a root domain and a top level domain. It may also include additional subdomains between the root domain and the host name. Almost all individual parts of a FQDN are technically subdomains. The only part of a domain that isn't a subdomain is the root domain.

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.

Does a subdomain need to be registered? ›

Rather than registering a new domain name, you can always create a subdomain using your existing domain name. A subdomain is an addon to your primary domain with its unique content. It is a separate part of your website that operates under the same primary domain name without you purchasing a new domain.

Should subdomains have www? ›

Therefore, for a website with multiple subdomains, it is good to use www URLs so that you can restrict cookies for each. One more benefit of using www is that www subdomains are much more flexible when it comes to DNS. So, you can use Content Delivery Networks (CDNs) in a much easier way.

What are the disadvantages of subdomains? ›

Subdomain cons

Technical complexity: Managing multiple subdomains can be more complex and time-consuming than managing a single domain, as each subdomain generally requires separate hosting, configuration, and maintenance.

Do subdomains affect domain reputation? ›

Your subdomain reputation(s) can impact base domain reputation, but the impact between subdomains will be small. Subdomains are not a way to avoid a bad domain reputation. Instead, they will help differentiate your traffic while maintaining a clear relationship with your main domain.

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.

Is subdomain better for SEO? ›

While subdomains can work well for some companies, depending on their SEO goals, a subdirectory is often a better choice for search engine optimization.

How do I choose a good subdomain? ›

The shorter the subdomain name the easier it is to type for those visiting your websites, so don't try to add too many names or words in your subdomain name. Be aware of unfortunate naming accidents! Some names can be misread when written without spaces, for example: Ohio cabin retreat – oldmanshaven.com.

Is it bad to use subdomains? ›

As it turns out, Google treats subdomains as different and apart from the root domain or SLD. So if you are trying to rank for a specific keyword but spread that keyword across an SLD and subdomain, you dilute that keyword. Therefore, using a subdomain is actually bad for SEO.

Are subcategories good for SEO? ›

So, using sub-categories will help your visitors/users to navigate easily through your products, improve your site architecture, target specific keywords, and improve your page speeds by showing filtered products only. Hope that helps.

Does having multiple domains hurt SEO? ›

Using multiple domains can be incredibly beneficial for SEO purposes. It allows you to target multiple audiences, establish a strong presence in various search engines, and improve visibility online.

Is a subdomain better than the main domain for SEO? ›

Search engines treat subdomains as completely separate websites. This means the SEO metrics of your main domain and your subdomains are totally separate. So, if you have a high-traffic subdomain with lots of backlinks, it won't necessarily boost the SEO of your main domain.

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