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Essential tools for network management and troubleshooting, including IP address lookup, DNS search, subnet calculation, port number reference, and HTTP status code reference. Designed to support the daily work of server administrators and infrastructure engineers.
Check your current public IP address instantly.
Look up DNS records (A, AAAA, MX, NS, TXT, CNAME) for any domain. TTL information included.
Search and reference commonly used port numbers. Find 51 major ports including SSH, HTTP, MySQL and more.
Search and reference HTTP status codes. Find 39 major codes including 200 OK, 404 Not Found, 500 Internal Server Error and more.
Calculate network address, broadcast, usable IP range, and host count from IP address and CIDR prefix. Supports IPv4 and IPv6.