40 LIVE TOOLS

Free Website Tools

Fast checks. Zero clutter. A growing suite of working diagnostics for SEO, security, performance and development.

DNS

DNS Lookup

Resolve A, AAAA, MX, NS, TXT and CAA records.

40 tools

◎

NO WEBSITE SELECTED

Start with a website scan first.

Choose a website from the RUTSS homepage. After that, every tool here will analyze the same website automatically.

Start Website Scan →

ABOUT THIS CHECK

DNS Lookup

Resolves the domain DNS records from the server side.

↗WHY IT MATTERS

DNS controls where the website, email and verification records point. Misconfiguration can break availability, mail delivery and ownership validation.

WHAT TO REVIEW

A / AAAA records
MX mail routing
NS delegation
TXT verification/SPF records
CAA certificate restrictions

WHAT A GOOD RESULT LOOKS LIKE

Records resolve consistently to the intended infrastructure with no stale or unexpected destinations.