A WHOIS lookup allows you to uncover valuable details about any domain name registration, according to the nonprofit organization ICANN (Internet Corporation for Assigned Names and Numbers).
As an experienced WordPress webmaster managing sites for over 15 years, I rely on WHOIS lookups regularly to gather intel on other websites. This comprehensive guide will explain what exactly WHOIS is, why it’s important, and how to use it effectively.
Contents
What is the WHOIS database?
WHOIS is a public database of domain name registration information maintained by ICANN. It stores the domain name, registrant contact details, and other data for every website domain.
According to ICANN policies, registrants must submit accurate WHOIS information when purchasing a domain name. This includes:
- Full name and physical address
- Phone number and email address
- Domain registration and expiration dates
- Name servers hosting the domain
- Registrar used to register the domain
All this data gets stored in the WHOIS database and is publicly accessible. Anyone can perform a WHOIS lookup to view the information.
Why do a WHOIS lookup?
As a WordPress webmaster, I use WHOIS lookups for a variety of purposes, including:
Verifying domain ownership
When buying or selling a domain name, I always do a WHOIS search to confirm the true owner. By matching the seller‘s details against the WHOIS registrant data, I can avoid fraud from someone claiming to own a domain they don‘t.
Obtaining contact information
WHOIS provides easy access to a domain owner‘s name, address, phone number and email address. This is invaluable when I need to get in touch with a website owner for business purposes, collaboration opportunities, or to report issues.
Monitoring competitors
By regularly checking competitors‘ WHOIS info, I can gain useful intel on their growth plans and strategies. For example, if a rival company registers multiple new domain names, it may signify they are expanding into new markets.
Researching domain history
According to ICANN records, the WHOIS data shows when a domain was first registered and for how long. As a general rule, older domains tend to be seen as more reputable and trustworthy. By checking WHOIS dates, I can gauge a website‘s history and legitimacy.
Identifying questionable websites
If I come across a website engaging in clearly illegal or dangerous activities, I‘ll do a WHOIS lookup to find out who owns it for reporting purposes. Law enforcement agencies also use WHOIS to investigate websites.
Finding expired domains
By searching for domains nearing their expiration date in WHOIS, I can discover high-quality domains to target and purchase once they expire. This can provide me with a domain name that already has good trust and history.
As you can see, WHOIS lookups provide webmasters like myself with invaluable domain name intelligence. Next, I‘ll explain exactly how to perform a WHOIS search.
How to Do a WHOIS Lookup
Conducting a WHOIS lookup only takes a few quick steps:
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Choose a WHOIS lookup tool. Many domain registrars like GoDaddy provide free WHOIS search engines on their websites. There are also various third party WHOIS lookup sites.
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Enter the domain name you want to research. For example, if you want to search for exampledomain.com, you would type in "exampledomain.com".
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Hit enter or click the "Lookup" button. This will query the WHOIS database for details on that specific domain name.
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View the WHOIS lookup results. This will display the registrant, dates, and all other data attached to that domain registration.
For example, a WHOIS search for exampledomain.com might return:
Domain Name: exampledomain.com
Registry Domain ID: 1234567_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.registrar.com
Registrar URL: http://www.registrar.com
Updated Date: 2022-01-01T05:00:00Z
Creation Date: 2010-01-01T05:00:00Z
Registrar Registration Expiration Date: 2025-01-01T05:00:00Z
Registrar: Registrar Co.
Registrar IANA ID: 123
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID:
Registrant Name: John Smith
Registrant Organization:
Registrant Street: 123 Main St
Registrant City: Springfield
Registrant State/Province: CA
Registrant Postal Code: 90210
Registrant Country: US
Registrant Phone: +1.1234567890
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: [email protected]
Registry Admin ID:
Admin Name: John Smith
Admin Organization:
Admin Street: 123 Main St
Admin City: Springfield
Admin State/Province: CA
Admin Postal Code: 90210
Admin Country: US
Admin Phone: +1.1234567890
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: [email protected]
Registry Tech ID:
Tech Name: John Smith
Tech Organization:
Tech Street: 123 Main St
Tech City: Springfield
Tech State/Province: CA
Tech Postal Code: 90210
Tech Country: US
Tech Phone: +1.1234567890
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: [email protected]This shows the domain was registered in 2010, expires in 2025, is owned by John Smith, and provides his contact details.
Now that you understand how to do a WHOIS lookup, let‘s discuss a couple important factors to keep in mind…
WHOIS Privacy Considerations
A downside of WHOIS is all this registration data is public. Fortunately, most reputable registrars today provide free WHOIS privacy services.
These domain privacy or proxy tools replace your personal information in WHOIS with alternate contacts, usually from your registrar. This prevents spammers and cybercriminals from targeting you.
I always enable WHOIS privacy when registering new domains. According to ICANN policy, disabling privacy requires the registrant‘s explicit consent. So reputable registrars make privacy the default.
Keeping WHOIS Data Updated
While domains must submit valid WHOIS data, owners don‘t always keep it updated. I regularly check my own domains‘ WHOIS info to ensure it‘s current.
If your contact information changes, you should login to your registrar account and update your WHOIS data accordingly. This ensures you continue receiving important domain notices.
Conclusion
WHOIS lookups provide webmasters powerful intelligence about any domain name. I use them daily to verify owners, get contact details, research domains, and more.
Hopefully this detailed WHOIS lookup guide gave you a helpful overview of what WHOIS is, why it‘s useful, and how to use it. With this knowledge, you can utilize WHOIS to gain valuable website insights.
Let me know if you have any other questions! I‘m always happy to share more tips from my 15+ years as a WordPress webmaster.
