Free Tools: IP Address, Hosting, Email Records, AI Crawler Rules

Free checks that answer a practical question in a few seconds, then show what to do next with our own dated measurements: prices for the IP, hosting and email checks, and the selected sites we track for the AI crawler check. Each page says what it checks and what it does not. No sign-up, no tracking of what you check.

• What is my IP? Public IP and WebRTC checkYour public IP address, its network and country, and whether your browser reveals another public address through WebRTC.
• Who is hosting this website? Hosting checkerThe network, hosting provider or CDN behind any domain, with the evidence.
• SPF, DKIM and DMARC checkerSPF, DKIM, DMARC, MX, MTA-STS and BIMI for any domain in plain words, with a corrected SPF and DMARC record when one is needed.
• AI crawler checker for robots.txtWhether a site’s robots.txt allows or disallows GPTBot, ClaudeBot and 15 other AI bot tokens, compared with the selected sites we track.

Privacy: we do not store the domains or IP addresses you check, and results are not cached.

Prices and comparisons next to each result come from the same records as the rest of the site: see VPN subscriptions, web hosting and VPS, SaaS prices and AI crawler access, and the methodology.