Articles & Guides
Useful resources for web developers and system administrators
Found 44 · DNS · Reset
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: How It Works, How to Enable and Safely Disable
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.