# Dns Ssl

> DNS configuration and SSL certificates. Domain setup, Cloudflare CDN, Let's Encrypt, HTTPS enforcement. Don't use for application-level security.

- Skill: `neuron-one/dns-ssl` (Agent Skill)
- Install (CLI): `npx skillmds@latest add neuron-one/dns-ssl`
- Raw SKILL.md: https://api.skillmd.com/api/skills/neuron-one/dns-ssl/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: neuron-one (https://skillmd.com/u/neuron-one)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/neuron-one/dns-ssl

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# DNS & SSL Setup

## Domain Configuration
- A record -> server IP
- CNAME for www -> root domain
- MX records for email
- TXT for SPF/DKIM/DMARC

## Cloudflare Setup
- Proxy enabled (orange cloud)
- SSL mode: Full (Strict)
- Always Use HTTPS: On
- Minimum TLS: 1.2
- HSTS enabled

## SSL with Let's Encrypt
- Certbot for automated renewal
- Auto-renew cron (monthly)
- Test renewal: certbot renew --dry-run