Networking 11
All networking tools available on the platform. Pick one to get started, everything runs in your browser.
DNS Lookup
See the DNS records of any domain, like its IP address, mail servers and TXT records.
HTTP Headers Checker
See the HTTP response headers and redirect chain of any URL, with a security headers audit.
IP Subnet Calculator
Enter an IPv4 range like 192.168.1.0/24 and get its mask, first and last address and number of hosts.
IPv6 Expander & Compressor
Write an IPv6 address out in full, or in its shortest standard form.
MAC Address Lookup
Find the manufacturer behind a MAC address and check whether it is a random private address.
What's My IP
See your public IP address and what your browser tells the websites you visit.
Port Checker
Check whether a port on a server is open and how fast it answers.
SSL Checker
Check a website's SSL/TLS certificate: who issued it, when it expires, and whether browsers will trust it.
URL Parser
Split a web address into its parts: domain, path, query parameters and more.
User-Agent Parser
Find out which browser, operating system and device a user-agent string describes.
WHOIS Lookup
See who registered a domain, when it expires and which registrar it uses.