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Free tools
All tools
Type your site or domain and get the result in plain words.
WHOIS lookup
Who registered a domain, when it expires and its name servers, Syrian .sy domains included.
OpenWhat is my IP?
Your public address as websites see it, with your internet provider and country, without typing anything.
OpenCheck your website
One report on speed, security, the SSL certificate, e-mail and search engines, with a score out of 100.
OpenSSL checker
Is your site's certificate trusted? When does it end? Who issued it?
OpenDNS check
We ask your domain's servers directly: name servers, website, e-mail (MX, SPF, DMARC, DKIM) and DNSSEC, each problem explained.
OpenDNS propagation check
After changing a record or name servers: has the change reached DNS servers around the world, and when will the rest follow?
OpenDomain name ideas
Describe your project and get available domain names with prices, with AI.
OpenMail blacklist check
Mail not arriving? See whether your mail server's address is on spam blacklists, and how to get off them.
OpenSPF record generator
Tick the services that send mail for your domain and get a correct SPF record, ready to copy.
OpenDMARC record generator
Protect your domain from spoofed mail: a ready DMARC record, with the safe path from monitoring to reject.
OpenCSR generator
Create the certificate request and private key in your browser; neither ever reaches us.
Open
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