Overview
One click: the security grade, SSL certificate, DNS and email authentication for the site you are on.
See who a site really is, in one click. DomainIntel checks the site in your active tab and shows you what public records say about it: an overall security grade, whether the TLS certificate is trusted and when it expires, who issued it, which DNS records exist, and whether the domain publishes SPF and DMARC for email authentication. WHAT YOU GET, WITHOUT LEAVING THE PAGE - A security grade from A+ to F, with the score behind it - TLS certificate status: trusted, expired, or not trusted at all, plus days remaining and the issuing authority - DNS at a glance: A records, MX records, and how many nameservers answer for the domain - Email authentication: whether SPF and DMARC are published - A link through to the full report, including WHOIS, subdomains and HTTP security headers IT TELLS A BROKEN CERTIFICATE FROM A MISSING ONE Plenty of tools show a padlock if any certificate is present. This one distinguishes three different situations: no HTTPS at all, a certificate a browser would reject (expired, self-signed, or issued for a different hostname), and a genuinely trusted certificate. Those mean very different things and are graded differently. BUILT TO STAY OUT OF YOUR WAY Nothing runs until you click the toolbar button. There is no background process watching your browsing, and no script injected into the pages you visit. When you do click, the only thing sent is the hostname of your current tab - not the URL, not the path, not the page content, and nothing about you. Free, no account, no sign-up. Full reports and more tools at https://domainintel.app
Details
- Version1.0.2
- UpdatedSeptember 20, 2026
- Size20.65KiB
- LanguagesEnglish (United States)
- DeveloperFull Cycle Development GroupWebsite
6001 W 101st Place Overland Park, KS 66207 USEmail
chris@fullcycle.io - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
DomainIntel - WHOIS, DNS, SSL & Security Grade has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
DomainIntel - WHOIS, DNS, SSL & Security Grade handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
