Professional Network Diagnostic Tools

Query DNS records for domains

Find hostnames from IP addresses

Test if ports are open on remote servers

Measure network latency to hosts

Measure upload/download speeds

Retrieve domain registration information

Identify vendor from MAC addresses

Calculate subnet masks, network addresses, etc.

Find geographic location of IP addresses

Instantly see your current IP address location

Decrypt Cisco Type 7 passwords

Validate and inspect SSL certificates

Generate MD5, SHA-1, SHA-256 hashes

Convert binary data to readable text

Convert URLs to/from encoded format

Encode/decode Base64 data

Format and validate JSON/YAML

Analyse HTTP response headers

Create and validate cron expressions