Pro-Owner perspective: This document frames your systems as a technical estate — an asset to be stewarded, documented, and bequeathed. Treat these steps as craftsmanship: protect the continuity, auditability, and transferability of your digital legacy.

Domain DNS Basics: What You're Paying For

The 60-second version

Domain Name System (DNS) translates human-readable domain names (e.g., yourbusiness.com) into machine-readable IP addresses. It’s the phonebook of the internet, ensuring emails and websites reach the correct destination. For small businesses, DNS is a critical but often overlooked part of your online presence and security.

What this solves (in real business terms)

• Reliable email delivery: Ensures emails sent to/from your domain reach the correct inboxes.
• Website accessibility: Keeps your site online and reachable by customers.
• Brand protection: Prevents domain spoofing and phishing attacks.
• Control: Lets you manage where your domain points (e.g., email providers, hosting).

What it costs (honest ranges)

• Domain registration: $10–$50/year (e.g., GoDaddy, Namecheap).
• DNS hosting: Often included with domain registration; premium DNS (e.g., Cloudflare) may cost $20–$200/year.
• Email routing: Free if using basic MX records; advanced routing (e.g., Microsoft 365, Google Workspace) costs $5–$20/user/month.
• Security add-ons: DMARC/DKIM/SPF tools may cost $10–$50/month for monitoring.

What can go wrong

• Downtime: Incorrect DNS settings can take your website or email offline.
• Hijacking: Weak registrar security can lead to domain theft.
• Misconfiguration: Broken DNS records may cause email bounces or spam filtering.
• Expiration: Forgetting to renew your domain can lose your online identity.

Vendor questions (copy/paste)

1. "Do you offer DNSSEC to protect against DNS spoofing?"
2. "What’s your uptime SLA for DNS resolution?"
3. "Can I easily update DNS records (e.g., MX, TXT) without support?"
4. "Do you provide email routing tools (e.g., SPF, DKIM, DMARC)?"
5. "What happens if my domain expires—is there a grace period?"

Minimum viable implementation

1. Register your domain: Use a reputable registrar (e.g., Cloudflare, Namecheap).
2. Set up DNS records: Configure A, MX, and CNAME records for your website and email.
3. Enable DNSSEC: Protect against DNS spoofing attacks.
4. Monitor expiration: Set calendar reminders for renewal.
5. Use a backup registrar: Keep login credentials secure and consider a secondary account.

When to hire help

• Complex migrations: Moving domains or email providers.
• Security audits: Reviewing DNS for vulnerabilities.
• Downtime recovery: If DNS issues take your site/email offline.
• Compliance: Ensuring DNS meets industry regulations (e.g., PCI DSS).

---