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WHOIS lookup

WHOIS lookup

Look up domain registration records to see registrar, dates, status, and available contact details. Verify ownership and spot expiration risks fast.

Paste any URLs — protocol, path, www, and query strings are automatically removed. Separate multiple domains by newline, comma, or semicolon.

Want to scrape data in bulk? Try Thunderbit for free.

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Extract Website Data with ThunderbitUse Thunderbit to scrape and extract structured data from websites fast with AI. Automate collection across pages and export results to your favorite tools.
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Extract Website Data with Thunderbit

Collect structured data from websites in a few clicks with Thunderbit’s AI Web Scraper. Scrape listings, follow subpages for enrichment, and pull data from PDFs, docs, and images, then summarize, categorize, and format it into clean tables. Export your results to Google Sheets, Airtable, or Notion, or download as CSV or JSON. Use pagination and scheduled scraping to keep datasets up to date with minimal manual work.

How to Lookup WHOIS Using Thunderbit

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STEP 1Download and InstallDownload and install the Thunderbit Chrome Extension from the Thunderbit Chrome Extension Download Page. Once installed, log in or create a free account to get started.
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STEP 2Open ExtensionOpen the Thunderbit Chrome Extension, then go to the WHOIS Lookup tool and select the "Lookup a Domain" tab. In the domain input field, enter a single domain name in a valid format (for example, example.com). Do not include http:// or https://, and do not include any paths, spaces, or extra characters.
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STEP 3Click the Lookup WHOIS ButtonClick the "Lookup WHOIS" button to run the query. Thunderbit will validate the domain format and then return the WHOIS record in a readable layout, including fields such as registrar, creation and expiration dates, domain status, and name servers when available. If the domain format is invalid, you will see an error explaining the expected input. If the domain is not registered or the lookup fails, Thunderbit will display a clear message indicating the domain is not registered or the query failed. Copy the results as needed for your workflow.

Learn how to look up WHOIS registration details for any domain

Retrieve WHOIS records for a domain

Enter a domain name (such as example.com) to pull its WHOIS registration record in a readable format. The tool surfaces key fields like registrar, creation and expiration dates, domain status, and name servers, helping you understand who manages the domain and how it is configured. It is built for sales, marketing, IT, and security teams that need quick domain context without manual research.
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Validate domain input and report lookup outcomes

The tool checks that your input looks like a real domain name, with no protocol, paths, or spaces. If the format is invalid, it returns a clear error explaining what to enter. If the domain is unregistered or the query fails, it provides a direct status message so you can move on quickly. This reduces wasted time and avoids confusion when investigating many domains.
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Verify ownership, renewal risk, and domain status

Use WHOIS data to confirm whether a domain is registered, which registrar controls it, and when it was created and will expire. This is useful for vendor verification, partnership due diligence, brand protection, and monitoring renewal risk for domains you manage. Domain status codes and name servers also help teams spot transfer locks, unusual configurations, or changes that may affect email and website reliability.
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Support outreach, investigations, and compliance checks

WHOIS Lookup helps sales and partnerships teams validate that a prospect’s domain is legitimate, and helps security teams triage suspicious domains by reviewing age, registrar, and DNS details. When registrant contact data is public, it can support escalation and abuse reporting; when privacy protection is enabled, the tool notes that details are redacted. It is also useful for legal and compliance workflows that require basic registration evidence.
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What users say about Thunderbit

Taryn W.Growth Strategist@Thunderbit changed how I run competitor research. I click 'AI Suggest Fields,' and it builds a clean table across paginated results—no coding, no CSS. Huge time-saver when analyzing product data from long-tail marketplaces.
Miles T.Sales Development ConsultantI use Thunderbit to grab emails and phone numbers from directories. It extracts clean contact info in one click, and exporting to Sheets or Notion takes seconds. No extra setup, no coding—just usable data ready to work with.
Rhea C.E-commerce AnalystThunderbit helps me monitor SKU data across multiple pages. I scrape the listings, then use Subpage Scraping to pull full product specs, pricing, reviews, and stock. The AI organizes everything into columns I define.
Cassian B.Real Estate AdvisorThunderbit's Scheduled Scraper makes real estate tracking easier. I describe the interval in plain English, and it automatically pulls updated listings, prices, and links without touching the setup again. Simple and very practical.
Dorian B.Content & SEO SpecialistI use Thunderbit's Field AI Prompts to clean and tag scraped blog content. It extracts titles, authors, and even suggests categories. Works great across dynamic sites and subpages—perfect for building structured SEO datasets.
Lina K.Marketplace Operations LeadWe track SKUs from niche stores using Thunderbit. Cloud Scraping handles 50 pages at a time, and for login-required sites, we switch to browser mode. It’s fast, flexible, and doesn’t need ongoing maintenance or manual edits.
Jorge F.Inbound Sales ManagerThunderbit’s AI Autofill is a lifesaver. After scraping contact info, I use it to fill lead forms directly in my browser. I just select the tab, and it fills everything using the scraped row. No manual input needed.
Alina D.Freelance ResearcherI rely on Thunderbit for extracting data from PDFs, image-based sites, and infinite scroll pages. It handles messy formats with AI and delivers ready-to-export tables I can send to Google Sheets or Airtable in seconds.
Taryn W.Growth Strategist@Thunderbit changed how I run competitor research. I click 'AI Suggest Fields,' and it builds a clean table across paginated results—no coding, no CSS. Huge time-saver when analyzing product data from long-tail marketplaces.
Miles T.Sales Development ConsultantI use Thunderbit to grab emails and phone numbers from directories. It extracts clean contact info in one click, and exporting to Sheets or Notion takes seconds. No extra setup, no coding—just usable data ready to work with.
Rhea C.E-commerce AnalystThunderbit helps me monitor SKU data across multiple pages. I scrape the listings, then use Subpage Scraping to pull full product specs, pricing, reviews, and stock. The AI organizes everything into columns I define.
Cassian B.Real Estate AdvisorThunderbit's Scheduled Scraper makes real estate tracking easier. I describe the interval in plain English, and it automatically pulls updated listings, prices, and links without touching the setup again. Simple and very practical.
Dorian B.Content & SEO SpecialistI use Thunderbit's Field AI Prompts to clean and tag scraped blog content. It extracts titles, authors, and even suggests categories. Works great across dynamic sites and subpages—perfect for building structured SEO datasets.
Lina K.Marketplace Operations LeadWe track SKUs from niche stores using Thunderbit. Cloud Scraping handles 50 pages at a time, and for login-required sites, we switch to browser mode. It’s fast, flexible, and doesn’t need ongoing maintenance or manual edits.
Jorge F.Inbound Sales ManagerThunderbit’s AI Autofill is a lifesaver. After scraping contact info, I use it to fill lead forms directly in my browser. I just select the tab, and it fills everything using the scraped row. No manual input needed.
Alina D.Freelance ResearcherI rely on Thunderbit for extracting data from PDFs, image-based sites, and infinite scroll pages. It handles messy formats with AI and delivers ready-to-export tables I can send to Google Sheets or Airtable in seconds.

Frequently Asked Questions

Extract Data using AI
Easily transfer data to Google Sheets, Airtable, or Notion
Chrome Store Rating
PRODUCT HUNT#1 Product of the Week
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