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Check IP
IP Information
DNS
DNS Lookup
SSL
SSL Certificate Check
WHOIS
Domain Information
Ping
Ping Check
HTTP
HTTP Status Check
Traceroute
Traceroute
Email
Email Check
Game
Server Defense
Docs
Knowledge Base
Port Scan
Open Ports
Security
Security Check
Online tools for network diagnostics and site checking
KIT is a free online diagnostic center. Instantly look up IP address information, check DNS records, SSL certificates, site availability, traceroute to server, and other technical parameters — no software to install.
Check IP
Detects geolocation, ISP (ASN), and IP type — public or private.
DNS Lookup
Shows all DNS records for a domain: A, AAAA, MX, TXT, NS, CNAME and their values.
SSL Check
Verifies SSL certificate validity, expiration date, and domain match.
WHOIS
Displays domain registrar info, registration date, and owner.
Ping
Checks host availability and measures round-trip time (RTT) in milliseconds.
HTTP Status
Shows the HTTP response code, final URL after redirects, and response headers.
Traceroute
Displays the packet route from the server to the target with per-hop latency.
Email Check
Verifies whether an email address exists via SMTP without sending a message.
Port Scan
Scans open TCP ports on a host and identifies running services.
Security Scan
SSL, security headers, ports, cookies, DNS and robots.txt check