Free tools / no signup
Run the check. Then keep watching it.
Every scanner here returns a snapshot you can act on today. DomainGuard on nhmohio.com turns that snapshot into daily monitoring for SSL, DNS, DMARC, uptime and exposure.
Eight tools, all free
Free IT checkupFull website health scan across five categories in one report.Run checkupSEO & accessibilityOn-page SEO issues and WCAG basics for a page or a sitemap.Check websiteSpeed testTTFB, page size, compression and caching, measured live.Run testSSL checkerCertificate validity, expiry and security grade for any domain.Check SSLWebsite assessmentTwelve categories on why the site is not converting visitors.Assess websiteDomain securitySPF, DKIM, DMARC and MX records, checked in DomainGuard.Open DomainGuardFile converterImages, PDFs, video and audio, converted in your browser.Convert filesQR code generatorCustom QR codes for signage, vehicles and print.Create QR code
For clients
API and developer access
API access, AI integration details, and MCP server configuration are available to 330 Hosting clients. If you are a client and need access, reach out and we will set you up.
DomainGuard on nhmohio.com
A scan tells you today. DomainGuard tells you tomorrow.
Sign in and the domains you just scanned become tracked domains: certificate expiry, DNS changes, DMARC reports, uptime, dependency CVEs and dark-web exposure, checked on a schedule and alerted when something moves.
- SSL expiry
- Daily, alerted at 30 days
- DNS changes
- Record-level diff
- DMARC
- Aggregate reports parsed
- Uptime
- Status monitor + incidents
- Exposure
- Dark-web and CVE watch