Modern DNS Lookup
Fast, accurate, and educational.
Learn About DNS
The Architecture of DNS
Ever wondered how "google.com" becomes an IP address? Learn about resolvers, root servers, and the journey of a query.
DNS Record Reference
A, AAAA, CNAME, MX, TXT... what do they all mean? Our categorical guide explains every record type you'll encounter.
DNS Security Best Practices
Protect your domain from hijacking and spoofing. Learn about DNSSEC, CAA, and email authentication (SPF/DKIM/DMARC).
Troubleshooting Guide
"It's always DNS." Diagnose NXDOMAIN, SERVFAIL, and propagation delays using standard tools like dig.