Domain registration, registrar, nameservers and expiry details.

Inspect A, AAAA, CNAME, MX, TXT, NS and SOA records.

Find mail servers that receive email for a domain.

Resolve a domain to its public IP addresses.

Resolve an IP address to its PTR hostname.

Validate the SPF policy that authorizes sending servers.

Find and validate a DKIM public key for your selector.

Inspect DMARC policy, reporting and enforcement level.

Measure HTTPS connection time from your browser to a host.

Check if a site serves HTTPS successfully from your browser.

Create a strong random password with adjustable length.

Generate UUID v4 identifiers instantly in your browser.

Generate secure alphanumeric or hex strings.

Build a valid five-field Linux cron expression.

Generate HTTPS, WWW and redirect Apache rules.

Powerful tools for a healthier internet

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