Ping

Send ICMP echo requests to a host to check reachability and latency.

Run

Traceroute

Trace the network path (hop by hop) to a destination host.

Run

DNS Lookup (Nslookup)

Query DNS records: A, AAAA, MX, TXT, NS, CNAME, SOA, PTR, SRV, CAA.

A AAAA MX TXT NS CNAME SOA PTR SRV CAA Run

Whois

Look up registration information for a domain or IP address.

Run

TCP Port Scan

Check whether specific TCP ports are open on a host (max 25 ports per scan, comma-separated). Leave empty for a common-ports scan.

Run

HTTP Header Inspector

Fetch the HTTP response status and headers for a URL.

Run

SSL / TLS Certificate Checker

Inspect a host's TLS certificate: issuer, validity dates, and days remaining.

Run

Geo-IP Lookup / My IP

Look up the geographic location and network info for an IP address. Leave empty to look up your own public IP.

Run

Subnet / CIDR Calculator

Computed entirely in your browser — no data sent to the server.

Run

Speed Test

Basic download/upload throughput test against this server (accuracy depends on the server's own uplink).

Start test