checkmy

Network diagnostics from your terminal. Smart audit for domains, IP geolocation, DNS, traceroute, TLS inspection, WHOIS, HTTP checks, and port scanning.

Install

Or download pre-built binaries fromGitHub Releases

Quick Start

Run checkmy with any domain for a full audit: DNS, ports, TLS, and HTTP in a single pass.

$ checkmy cloudflare.com

DNS  OK  209ms
  A: 104.16.132.229, 104.16.133.229
  AAAA: 2606:4700::6810:84e5, 2606:4700::6810:85e5

PORTS  OK  35ms
  80/tcp       open
  443/tcp      open

TLS  OK  101ms
  Subject      cloudflare.com
  Issuer       WE1
  Certificate  Valid (expires in 57 days)

HTTP  OK  673ms
  Status       200 OK
  URL          https://www.cloudflare.com/
  Redirects    1 redirect

Summary
  Total: 918ms
  Result: all checks passed
  Phases: 4 phases

--quick faster run, skip WHOIS--deep include traceroute--json machine-readable output

Smart Mode

Domain

checkmy cloudflare.com

Full 5-phase audit

checkmy 1.1.1.1

Geolocation, ASN, reverse DNS

Host:Port

checkmy cloudflare.com:443

TCP/TLS connectivity test

Commands

smartcheckmy <target>

Auto-detect target type and run diagnostics

dnscheckmy dns <domain>

DNS queries (A, AAAA, MX, TXT, NS, ANY)

ipcheckmy ip <address>

IP geolocation, ASN, and reverse DNS

tracecheckmy trace <target>

Traceroute (ICMP, UDP, TCP)

certcheckmy cert <host>

TLS certificate inspection

whoischeckmy whois <target>

WHOIS / RDAP lookup

connectcheckmy connect <host> <port>

Raw TCP/TLS connectivity test

httpcheckmy http <url>

HTTP healthcheck

portcheckmy port <target>

Port scanner

GitHub/Releases/crates.io/Docker Hub/Full Usage Docs