🏪 Top Registrars
- Cloudflare Registrar — at-cost, cheapest। সেরা পছন্দ।
- Namecheap — affordable, free privacy
- Porkbun — modern, dev-friendly
- GoDaddy — expensive, aggressive upsell — এড়ান
🔧 Subdomain
blog.example.com → A → IP api.example.com → A → IP shop.example.com → CNAME → example.com *.example.com → Wildcard
🔐 Domain Privacy
WHOIS-এ default-এ আপনার নাম public। Privacy Protection enable করুন।
🔄 Transfer Process
- Old Registrar-এ Unlock
- EPP/Auth code নিন
- New Registrar-এ Transfer
- Email confirm
- 5-7 দিন wait, +1 year added
🇧🇩 .com.bd
- BTCL official, slow/expensive
- Local registrar: ExonHost, Hostever
- Trade License/NID লাগে
- bKash payment available
💡 Best Practice
- Auto-renewal ON
- 2FA enable
- Email contact updated
- Important domain → Cloudflare
🎓 মূল কথা ⭐
Cloudflare Registrar সেরা (cheapest, secure)। Auto-renewal ও 2FA mandatory।