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Domain Extensions & 3-Year Cost Pillar

Compare Domain Extensions: Year-1 Promos vs Real 3-Year Renewal Costs

Don’t fall for $0.01 bait traps with $60 renewals. Inspect registry rules, HSTS requirements, WHOIS privacy laws, and verified Year-1 promo codes across 12 popular extensions below.

2026 TLD Pricing, 3-Year Total Cost & Deep-Dive Guides

Click any extension to open its live availability checker, SEO & email safety verdict, and DNS setup guides.

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12 Popular Domain Extensions: Year-1 Promo vs 3-Year Total Ownership Cost
Extension Year 1 Promo Annual Renewal 3-Yr Total WHOIS Privacy Deep-Dive Guide
.COM $5.98 (NEWCOM598) ~$16.98/yr ~$39.94 Free Forever ($0) Read .COM Guide →
.XYZ $2.00 ~$13.98/yr ~$29.96 Free Forever ($0) Read .XYZ Guide →
.IO 12% OFF (~$34.98) ~$44.98/yr ~$124.94 Free Forever ($0) Read .IO Guide →
.AI ~$79.98/yr (2-Yr Min = ~$159.96) ~$89.98/yr (billed in 2-yr blocks) ~$339.92 (4 yrs min) Free Forever ($0) Read .AI Guide →
.DEV Promo w/ THANKFULDOT (~$12.98) (THANKFULDOT) ~$16.98/yr ~$46.94 Free Forever ($0) Read .DEV Guide →
.APP Promo w/ THANKFULDOT (~$14.98) (THANKFULDOT) ~$18.98/yr ~$52.94 Free Forever ($0) Read .APP Guide →
.STORE $0.98 (96% OFF) ~$49.98/yr ~$100.94 Free Forever ($0) Read .STORE Guide →
.ME $4.88 ~$19.98/yr ~$44.84 Free Forever ($0) Read .ME Guide →
.CO Up to 67% OFF (~$11.98) ~$32.98/yr ~$77.94 Free Forever ($0) Read .CO Guide →
.ORG Promo w/ THANKFULDOT (~$7.48) (THANKFULDOT) ~$14.98/yr ~$37.44 Free Forever ($0) Read .ORG Guide →
99¢ TLDs (.ONLINE / .SITE / .SPACE) $0.99 (99SPECIAL) ~$24.98–$34.98/yr ~$50.95–$70.95 Free Forever ($0) Read 99¢ TLDs (.ONLINE / .SITE / .SPACE) Guide →
.US $3.98 ~$10.98/yr ~$25.94 Public WHOIS Mandatory! Read .US Guide →

Browse Extension Guides by Use Case & Registry Rules

All Verified Domain & Transfer Coupons

Best Seller $5.98 / 1st yr

Get a .COM Domain for Just $5.98 + Free Lifetime WHOIS Privacy

Register your first .COM domain at Namecheap for $5.98 (up to 60% off standard retail) with free Domain Privacy protection forever and free DNSSEC.

Backup .COM Code 57% OFF

57% OFF .COM Domain Registration ($6.48 Promo)

Alternative .COM registration promo code if NEWCOM598 has already been redeemed on an older promotional cycle.

Limited Time Up to 80% OFF

Up to 80% OFF Domain Registration & Transfers

Escape GoDaddy or Bluehost renewal hikes. Transfer .COM, .NET, .ORG, and top TLDs to Namecheap and add 1 full year to your registration automatically.

$0.99 Deal $0.99 / yr

Get Popular Domain Extensions for Just $0.99 / 1st Year

Grab ultra-budget TLDs (.xyz, .online, .site, .shop, .store, and more) for side projects, landing pages, ad campaigns, and hackathons.

E-Commerce $0.98 / 1st yr

Get Your .STORE E-Commerce Domain for Just $0.98 (96% OFF)

Perfect for Shopify, WooCommerce, Gumroad, and TikTok Shop storefronts—lock in a clean .STORE brand name for under $1.

SaaS & AI TLD 12% OFF .IO

12% OFF .IO Domain Registration for SaaS & AI Projects

Register a developer-trusted .IO domain with free lifetime WHOIS privacy and instant Custom DNS support for Vercel, Railway, or Cloudflare.

82% OFF $2.00 / 1st yr

82% OFF .XYZ Domain Registration — Only $2

Clean, short, globally recognized TLD favored by AI startups, Web3 builders, and developer sandboxes.

Works on Renewals 10% OFF

10% OFF Popular Products Purchases & Renewals

Rare promo code eligible on select Namecheap product purchases and renewals at checkout.

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Beast Mode Bulk Domain Availability & TLD Generator

Filter available domains by price ceiling, TLD category, prefixes/suffixes, and syllable length in seconds.