Free tools for your domain.

Registrar, dates, status locks and name servers, from the registry.

Exact age from the registration date, plus the last change and transfer.

AI name ideas from a description, with a free .com.

Names for your business, each with a free .com.

Ideas from your words, each one checked free.

Words spelled across the dot, like fami.ly.

One name: 8 domain extensions and 10 platforms.

A username on 10 developer and social platforms.

Up to 200 names at once, live, with a CSV.

Expiry date, days left, and what happens if it lapses.

The registrar, its IANA ID and abuse contact, and the transfer lock.

Marketplace, parking and for-sale signs, and how to buy.

Archive captures by month, and signs of past owners.

Score a name, and see where its misspellings lead.

Lookalikes of a domain: registered, taking mail, or free.

When a domain can move registrars, and what blocks it.

4 and 5 letter names you can still register.

Unicode to xn-- and back, with lookalike warnings.

.si names that just became free again.

What a name's value rests on, scored and explained.

Who runs an extension, since when, and how.

What .si costs at each registrar, over the years.

First year, renewal and 5-year cost of any extension.

Every include followed, the 10-lookup limit counted, mistakes named.

Finds keys at common selectors and checks their type and size.

Policy, alignment and report addresses, checked and explained.

Pick your mail services, get one record that stays under 10 lookups.

Policy, reports and alignment, with a safe rollout path.

Policy record, policy file, MX match and TLS reports.

Record, DMARC, SVG logo and VMC or CMC, with a preview.

An IP or a domain against live email blocklists.

Who sent it, SPF, DKIM, DMARC and every hop, in your browser.

Greeting, STARTTLS and sign-in methods on 587 and 465.

Mail servers in priority order, the provider, SPF and DMARC at a glance.

Name servers, the DNS host, SOA settings, and marketplace parking.

13 public resolvers side by side, with how long each keeps its copy.

SPF, DMARC, DKIM and verification tokens, joined and labelled.

The full alias chain, the final addresses, and the platform behind it.

Allowed certificate authorities, wildcard rules and report addresses.

The PTR hostname of an IPv4 or IPv6 address, checked both ways.

DS, keys and validation: where the chain of trust holds or breaks.

Every name server asked directly: one report, every check.

Subdomains from certificate logs, DNS and the archive.

Past IP addresses and hosts, from passive DNS.

The records each platform asks for, checked live.

Every hop of a URL: status code, target and time.

All response headers, with the security headers checked.

CMS, framework, hosting and trackers of any site.

A grade for HSTS, CSP, framing and cookies, with fixes.

Trust, expiry, the chain and TLS versions of any site.

How a link looks when shared, with the tags checked.

Down for everyone or just you, and where it fails.

Google, Bing and AI crawlers: allowed or blocked, and why.

Limits, dates and hosts checked, a sample requested live.

Your public IP, approximate location, provider and connection.

AS name, organisation and every prefix it announces.

Latency to a site or IP: five TCP handshakes, timed.

Is a port open on your connection? Tested from outside.

Download, upload and latency, in the browser.