Articles & Guides
Useful resources for web developers and system administrators
Found 38 · DNS · Reset
DNS
How to Choose the Perfect Domain Name: A Complete Guide
Learn how to choose the right domain name for your project. TLD selection, branding tips, common mistakes to avoid, and practical recommendations.
DNS
DNS TTL Guide: Optimal Values for Every Record Type
Learn how DNS TTL values affect propagation speed, caching behavior, and migration strategies. Practical recommendations for A, CNAME, MX, TXT, and NS records.
DNS
DNS Failover: Automatic Traffic Switching for High Availability
Learn how DNS failover works, how to configure automatic traffic switching, and best practices for achieving high availability with DNS.
DNS
DNS over HTTPS (DoH): Privacy, Security, and How It Works
Learn how DNS over HTTPS encrypts DNS queries, improves privacy, prevents manipulation, and what it means for network security and monitoring.
DNS
DNS Performance: Optimizing Resolution Speed
How to speed up DNS resolution: choosing DNS providers, TTL settings, prefetch, minimizing lookups. DNS impact on website speed.
DNS
DNSSEC Explained: How It Works, How to Enable, Verify and Safely Disable Domain Signing
How DNSSEC and the chain of trust work, how to sign a zone and publish the DS at your registrar, how to verify it with dig, and how to disable it without breaking the domain.
DNS
Why Your Site Doesn't Work After a DNS Change and How Long
Why your site doesn't work after a DNS change, how long the update really takes and how to speed it up. TTL, resolver caches, dig checks and common migration mistakes.
DNS
DNS Record Types: A, AAAA, MX, CNAME, TXT and More
A detailed reference of DNS record types. What each record is for, and how to configure, verify, and troubleshoot DNS for your domain.