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 static website builder
Pick a design, type about your business, and download a finished site to host free.
Free IT checkup
Full website health scan across five categories in one report.
SEO & accessibility
On-page SEO issues and WCAG basics for a page or a sitemap.
Speed test
TTFB, page size, compression and caching, measured live.
SSL checker
Certificate validity, expiry and security grade for any domain.
Website assessment
Twelve categories on why the site is not converting visitors.
Domain security
SPF, DKIM, DMARC and MX records, checked in DomainGuard.
File converter
Images, PDFs, video and audio, converted in your browser.
QR code generator
Custom QR codes for signage, vehicles and print.
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