Defensive domain registration is the practice of buying alternate extensions (like .net, .co) and common misspellings of your primary brand name. This prevents typosquatters from launching phishing sites or competitors from stealing your traffic. Once registered, set up 301 redirects to point these defensive domains to your main website.
What Is Typosquatting and Brand Jacking?
Typosquatting: Registering domains with common misspellings of established brands. Users who mistype your URL land on someone else's site, often filled with ads, malware, or competitor links.
Brand jacking: Registering your brand name under different TLDs (.net, .co, .io) to intercept traffic or impersonate your business.
Both exploit your brand recognition for someone else's profit. Victims include your customers, who may enter credentials on fake login pages, and your reputation, which suffers when users associate your name with scam sites.
Why It Matters: Phishing and Trust
A single typosquat domain can devastate customer trust. Consider the damage:
- Phishing attacks: Fake login pages capture customer credentials
- Malware distribution: Visitors download infected files believing they're on your site
- Traffic theft: Competitors or affiliates profit from your brand awareness
- Reputation damage: Customers blame you for bad experiences on lookalike sites
Defensive registration is insurance. The cost of owning 10-20 variants is minimal compared to one successful phishing campaign against your customers.
Decision Framework: What to Register
Don't buy everything, prioritize strategically:
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| | acme.net, acme.co, acme.io |
| | acm.com, acmee.com, amce.com |
| | |
| | |
- .com, .net, .co, .io, .org variants
- Single-character typos (missing letters, doubled letters, adjacent key swaps)
- Your brand + common suffixes (hq, app, shop)
- Hundreds of obscure TLDs you'll never maintain
- Variants so different no one would confuse them
Implementation Steps
Step 1: Identify Variants List your brand name with common misspellings, missing letters, and top alternative TLDs.
Step 2: Bulk Search and Register Enter all variants in NameSilo's search tool. Register available domains in a single transaction.
Step 3: Configure 301 Redirects For each defensive domain, set up permanent forwarding to your main site. Navigate to Domain Manager, select forwarding options, and enter your primary URL. See our domain forwarding guide for details. Step 4: Enable Auto-Renewal Critical: Set all defensive domains to auto-renew. One lapsed domain becomes an attacker's opportunity.
Step 5: Monitor Annually Review your defensive portfolio yearly. Add new variants as your brand evolves or new TLDs launch.
Common Mistakes
Forgetting auto-renewal: Defensive domains expire, squatters grab them, and you're back to square one, or worse, paying premium prices to recover your own brand.
Over-registering: Buying 200 variants you can't maintain wastes money. Focus on high-traffic typos and major TLDs.
No redirects configured: Owning a domain without redirecting it means customers hitting typos see parking pages, not your site.
Ignoring new TLDs: When .ai or .io became popular, brands without defensive registrations faced new attack surfaces.
What This Means for You
NameSilo makes defensive registration affordable. Search up to 50 domains at once to identify available variants. Volume discounts through our Discount Program reduce costs as your defensive portfolio grows. Free WHOIS privacy on every domain. Simple domain forwarding configuration. Auto-renewal to prevent lapses. Protect your brand without enterprise pricing. Frequently Asked Questions
What is defensive domain registration?
Proactively registering brand variants to prevent exploitation.
Should I buy the .net and .org of my .com?
Yes. These are the most common alternatives users try.
How do I redirect multiple domains to one site?
Configure 301 forwarding in Domain Manager for each domain.
Registering misspelled domains to capture misdirected traffic.
Can I sue someone for typosquatting?
Possibly, via UDRP, but prevention is cheaper than litigation.
Is it worth buying common misspellings?
Yes, especially single-character typos that capture real traffic.
What is the Trademark Clearinghouse?
An ICANN database for trademark holders to block infringing registrations.
Do I need hosting for defensive domains?
No. Forwarding requires no hosting, just registrar configuration.
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