Tools IP checker
IP checker
Free, no accountHad an odd email or sign-up? Find out who runs the IP address it came from, where it is, whether it's a VPN, proxy or data centre, its reverse DNS and whether it's on an email blocklist.
Free for everyone, up to 20 look-ups a day. Only the address is looked up. Nothing is kept beyond a count for your daily allowance.
185.70.42.12
// what it checks
What you get.
Who holds it
The organisation, the address block, the network and the country, from the registry.
Is it hiding something
Whether it's a VPN, proxy, Tor exit or data centre, with why we think so.
Can it send email
Its reverse DNS and whether it's on the email blocklists inbox providers use.
// more tools
Other tools you can run here.
Whois lookup
See who's behind a domain that emails you, and when your own email domain is due to expire.
No accountRun itSSL checker
Check your mail server's SSL certificate, or your website's: is it valid, when it expires and where it's renewed.
No accountRun itTraceroute
Follow the route to a server, router by router, and see where it slows down or drops.
No accountRun itLink Inspector
Find broken links, missing pictures and redirect chains on any web page.
No accountRun itSearch Inspector
Check a web page the way Google reads it: title, description, headings and what stops it being found.
No accountRun itLooking for the email tools? See them on the tools page
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