WHOIS, DNS &
domain tools.
Look up any domain. Check availability, WHOIS records, SSL certificates, blacklists, speed & SEO — all from one place.
Enter a domain name and select a tool to begin.
Everything you need.
Six powerful tools in one page. Always free, no signup required.
Domain Search
Check availability across .co.tz, .or.tz, .tz, .com, .net, .org — with instant pricing and one-click registration.
WHOIS Lookup
Query registrant details, nameservers, creation & expiry dates for any domain worldwide.
Speed & SEO Audit
Measure TTFB, total load time, page size, and extract SEO metadata in seconds.
Blacklist Monitor
Check your IP against Spamhaus, Barracuda, SpamCop, Sorbs, and other major RBLs.
SSL Certificate
Verify SSL status, issuer, days until expiry, and domain coverage.
DNS Records
Look up A, AAAA, CNAME, MX, NS, and TXT records for any domain.
Ready to get online?
Register your .co.tz domain from Tsh. 19,500/yr. TZNIC-accredited registrar with instant activation.