• Server networking

• DNS records

• Firewalls

• IPv4 / IPv6

• Routing & NAT

• Email DNS (SPF, DKIM, DMARC)

• Load balancers

• Reverse proxies

• Anycast / CDN setup

• IP reputation & blacklist issues

• Domain configuration & propagation

Whether you're a beginner setting up your first A record or an advanced admin configuring complex networking on a dedicated server — this is the right place.

🔧 Topics You Can Discuss Here

Feel free to create threads about:

• DNS issues (A, AAAA, MX, CNAME, TXT, NS)

• PTR / Reverse DNS

• DNS propagation delays

• Cloudflare DNS setup

• IP routing and subnetting (/24, /29, /30, etc.)

• NAT, SNAT, DNAT, port forwarding

• Configuring firewalls (UFW, CSF, iptables, nftables)

• Load balancing (HAProxy, Nginx, OLS Reverse Proxy)

• SMTP connectivity & mail deliverability

• IP blocklists (Spamhaus, Microsoft S3140, etc.)

• How to secure a server on the network level

If it’s related to servers + networking + DNS, you can post here confidently.

📘 Before Posting – Please Read

To keep this area organized and helpful:

1. No illegal tools (DDoS, botnets, stressers).

2. No sharing sensitive data (private IPs, passwords, keys).

3. Be respectful & professional.

4. Search before posting—your issue may already be solved.

5. Keep all discussions strictly relevant to Networking & DNS.

🛠️ How to Ask for Help (Recommended Format)

When asking for assistance, please include:

• Type of server: VPS / Dedicated / Cloud

• Provider name: OVH, Hetzner, WSI, Contabo, etc.

• Public IP range (mask): /32, /29, /30

• Network setup: NAT? Bridge? Routed?

• Panel (if any): CyberPanel, cPanel, OLS

• Exact error message:

• DNS records screenshot

• What you’ve tried so far

The more details you provide, the faster we can help you.

🔗 Useful Areas to Share & Learn

You are welcome to post:

• DNS tutorials

• Firewall guides

• Email deliverability tips

• NAT configuration examples

• Reverse proxy setup

• IP reputation monitoring tools

• Best practices for securing servers

This section grows stronger when everyone shares their experience and knowledge.

If you need help or want an official response, feel free to tag ITJONI Admin anytime.
Let’s build a powerful networking community together. 💙

— ITJONI Admin