Check anything — URL, domain, or IP.
Paste it. We figure out what you want. SiteTrace runs screenshot + headers + SEO for a URL, SSL + email + WHOIS for a domain, reputation + geo for an IP — and shows the results in one panel.
Screenshot, security headers, OG preview, SEO score, Wayback snapshots, redirect chain.
SSL certificate history, email deliverability (SPF/DKIM/DMARC/MX), WHOIS via RDAP, subdomains.
Reputation across 7 DNSBLs (Spamhaus, Spamcop, CBL, etc.), ASN, geolocation, hosting/VPN/Tor detection.
How the dispatcher decides what to run
When you paste an input, SiteTrace runs a 5-line classifier on it client-side. If it parses as an IPv4 or IPv6 address, you get an IP report. If it parses as a URL (begins with http or contains a slash beyond the apex), you get a URL report. Anything else with at least one dot is treated as a domain. The classifier doesn't talk to any server — it just decides which of three result panels to show.
All checks run in parallel against the sitetrace-api backend at api.sitetrace.it.com. The free tier is 100 anonymous calls per day per IP — that's enough for ~30 check sessions. If you hit the cap, sign up for a free API key at sitetrace.it.com/signup for 1,000 calls/day with no per-tool math.
Each individual tool page (/what-is-my-ip/, /email-deliverability/, /is-it-down/, /seo-checker/, /http-headers/) runs a single deep check, often with lookups in your browser via DNS-over-HTTPS for privacy — your query never touches a server we operate. Use those when you want a thorough report on one input type. Use /check/ when you want a fast combined look across multiple.
// last updated 2026-10-04 · built by edy appenzeller · open source