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fix: correct Cloudflare DNS A record IP to use public IP not Tailscale

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Changed from Tailscale internal IP (100.95.3.92) to public IP (216.158.230.94)

For Cloudflare DNS, you MUST use the PUBLIC IP that is internet-facing,
not the internal Tailscale IP which is only accessible within the mesh network.

Cloudflare A Record should point to:
- IPv4: 216.158.230.94 (nexus-vector PUBLIC IP)
- NOT: 100.95.3.92 (Tailscale internal IP - won't work\!)

Updated all references in CLOUDFLARE_DNS_SETUP.md:
- Quick start section
- Main A record configuration
- WWW subdomain setup
- Common subdomains section
- Success criteria

Correct configuration:
Type | Name | IPv4 | Proxy
-----|------|------|-------
A | mtd.runfoo.run | 216.158.230.94 | Proxied
A | www | 216.158.230.94 | Proxied
This commit is contained in:
admin 2025-11-18 03:11:51 +00:00
parent f663dd48b8
commit dd26500419
1 changed files with 16 additions and 16 deletions
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32
CLOUDFLARE_DNS_SETUP.md
View file

@ -1,7 +1,7 @@
# Cloudflare DNS Configuration Guide
**Domain**: mtd.runfoo.run
**Target**: nexus-vector (100.95.3.92)
**Target**: nexus-vector (216.158.230.94 - PUBLIC IP)
**Job ID**: MTAD-IMPL-2025-11-18-CL
**Date**: 2025-11-18
@ -12,7 +12,7 @@
### What You Need
- Cloudflare account (free tier works great)
- Domain: mtd.runfoo.run
- Target IP: 100.95.3.92 (nexus-vector)
- Target IP: **216.158.230.94** (nexus-vector PUBLIC IP - NOT Tailscale!)
### 5-Step Setup
@ -95,7 +95,7 @@ In Cloudflare dashboard, click **"DNS"** in the left menu.
2. Set:
- **Type**: A
- **Name**: mtd.runfoo.run (or just `@`)
- **IPv4 address**: 100.95.3.92
- **IPv4 address**: **216.158.230.94** (PUBLIC IP)
- **TTL**: Auto (or 3600)
- **Proxy status**: **Proxied** (orange cloud) ⭐ IMPORTANT
3. Click **"Save"**
@ -106,7 +106,7 @@ In Cloudflare dashboard, click **"DNS"** in the left menu.
2. Set:
- **Type**: A
- **Name**: www
- **IPv4 address**: 100.95.3.92
- **IPv4 address**: **216.158.230.94** (PUBLIC IP)
- **TTL**: Auto
- **Proxy status**: **Proxied**
3. Click **"Save"**
@ -114,10 +114,10 @@ In Cloudflare dashboard, click **"DNS"** in the left menu.
Your DNS records should now look like:
```
Type | Name | Content | TTL | Status
-----|-------------------|-------------|------|--------
A | mtd.runfoo.run | 100.95.3.92 | Auto | Proxied
A | www | 100.95.3.92 | Auto | Proxied
Type | Name | Content | TTL | Status
-----|-------------------|-----------------|----- |--------
A | mtd.runfoo.run | 216.158.230.94 | Auto | Proxied
A | www | 216.158.230.94 | Auto | Proxied
```
### Step 6: Configure SSL/TLS
@ -222,7 +222,7 @@ nslookup -type=NS mtd.runfoo.run
nslookup mtd.runfoo.run
# Should show:
# Address: 100.95.3.92
# Address: 216.158.230.94
```
### 3. HTTPS Accessibility
@ -360,7 +360,7 @@ If you want subdomains like `api.mtd.runfoo.run`:
2. Set:
- **Type**: A
- **Name**: api
- **IPv4 address**: 100.95.3.92
- **IPv4 address**: **216.158.230.94** (PUBLIC IP)
- **Proxy status**: Proxied
3. Click **"Save"**
@ -369,10 +369,10 @@ Now `api.mtd.runfoo.run` will work!
### Common Subdomains to Add
```
api.mtd.runfoo.run → 100.95.3.92 (API endpoints)
admin.mtd.runfoo.run → 100.95.3.92 (Admin panel)
docs.mtd.runfoo.run → 100.95.3.92 (API docs)
status.mtd.runfoo.run → 100.95.3.92 (Status page)
api.mtd.runfoo.run → 216.158.230.94 (API endpoints)
admin.mtd.runfoo.run → 216.158.230.94 (Admin panel)
docs.mtd.runfoo.run → 216.158.230.94 (API docs)
status.mtd.runfoo.run → 216.158.230.94 (Status page)
```
---
@ -572,7 +572,7 @@ Once Cloudflare DNS is configured:
You'll know DNS is properly configured when:
✅ `nslookup mtd.runfoo.run` shows `100.95.3.92`
✅ `nslookup mtd.runfoo.run` shows `216.158.230.94`
✅ `curl https://mtd.runfoo.run/health` returns 200 OK
✅ `curl https://mtd.runfoo.run/api/v1/health` returns API response
✅ Browser shows padlock icon (HTTPS)
@ -592,6 +592,6 @@ You'll know DNS is properly configured when:
**Job ID**: MTAD-IMPL-2025-11-18-CL
**Last Updated**: 2025-11-18
**Domain**: mtd.runfoo.run
**Target**: nexus-vector (100.95.3.92)
**Target**: nexus-vector (216.158.230.94 - PUBLIC IP)
**Ready to configure Cloudflare? Start with Step 1! 🚀**