DNS Configuration
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://tldfyi.com/iframe/guide//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://tldfyi.com/guide//
Add a dynamic SVG badge to your README or docs.
[](https://tldfyi.com/guide//)
Use the native HTML custom element.
Technical guides for setting up and managing DNS records, from basic A records to advanced configurations.
Untuk: Developers and system administrators
Setting Up DNS for Your Domain
A complete walkthrough for setting up DNS records on a new domain — A, CNAME, MX, TXT and more — with clear practical steps for developers and site owners.
5 menit bacaA Record vs CNAME: When to Use Each
Understand when to use a DNS A record vs a CNAME — the right choice for each scenario, performance trade-offs, and why CNAME at the root domain causes problems.
4 menit bacaMX Records: Setting Up Email for Your Domain
Configure MX records to route email — covers priority, fallback servers, and step-by-step setup for Google Workspace, Microsoft 365, and custom mail servers.
4 menit bacaTXT Records: SPF, DKIM, and DMARC Explained
Set up SPF, DKIM, and DMARC TXT records to protect your domain from email spoofing and improve deliverability. Step-by-step DNS instructions included.
4 menit bacaUnderstanding DNS Propagation
Learn why DNS changes take time to propagate globally, how TTL controls propagation speed, and tools to monitor DNS record updates from multiple global
4 menit bacaPointing Your Domain to Web Hosting
How to point your domain name to web hosting — shared hosting, VPS, WordPress hosts, and services like Vercel or Netlify — with DNS record instructions.
4 menit bacaCAA Records: Controlling SSL Certificate Issuance
CAA records restrict which CAs may issue SSL certs for your domain. Use issue, issuewild, and iodef tags to lock down issuance and prevent certificate fraud.
3 menit bacaSRV Records Explained
SRV records encode service, protocol, port, and priority into DNS. Learn to configure them for SIP, XMPP, Microsoft 365, Minecraft, and application
4 menit bacaWildcard DNS Records
Wildcard DNS records match any subdomain not explicitly configured. Learn how they work, when to use them, and their limitations for SSL certificates and
3 menit bacaDNS TTL: Choosing the Right Value
TTL controls how long resolvers cache DNS records. Learn the right value per record type, when to pre-lower TTLs before migrations, and caching pitfalls to
4 menit bacaReverse DNS and PTR Records
Reverse DNS maps IPs to hostnames via PTR records. Learn why it matters for email deliverability and how to set PTR records at DigitalOcean, Linode, and AWS
3 menit bacaCloudflare DNS Setup Guide
How to set up Cloudflare DNS — add nameservers, configure records, choose proxy vs DNS-only mode, and enable DNSSEC for cryptographic domain verification.
4 menit bacaDNS During Domain Migration
A step-by-step guide to managing DNS during domain migrations — changing hosts, switching DNS providers, or moving nameservers — with minimal downtime.
4 menit bacaDNS Troubleshooting Guide
Fix DNS problems: stale records, email failures, unreachable sites, SSL errors, NXDOMAIN. Uses dig commands with step-by-step troubleshooting for each issue.
5 menit bacaMulti-Domain DNS Management
Best practices for managing DNS across many domains — using a single DNS provider, bulk record management, automation, and avoiding configuration drift.
5 menit baca