Initial findings
Our automated probe of duo.nl returned a clean DNS answer pointing to Netherlands, served by Unknown, with the TLS handshake responding OK.
Registration history
duo.nl has existed for about 27.4 years. Long-lived domains are usually associated with established projects, although age alone is not a guarantee of safety.
HTTPS verdict
Our HTTPS probe to duo.nl concluded with: OK. Together with the registrar and hosting country, this forms the security side of the scorecard.
Where the data lives
Anything you submit to duo.nl is processed on servers located in Netherlands. Choose to share data accordingly.
Risk perspective
Domains with the profile of duo.nl (age 27.4 years, SSL OK, registrar Rijksoverheid, country Netherlands) usually fall in the "very_safe" category in our automated scoring.
Verdict
Trust score: 100/100 — very_safe. This is an automated, technical-only verdict; treat it as one data point among many.