DNASS — Domain Name Authority & Service Scanner

DNS & HTTP Checker

Compare answers from every authoritative name server without relying on a single recursive resolver.

Run a check

Check type

HTTP DNS

FQDN Enter the hostname that should serve the validation file. Validation file Everything after /.well-known/pki-validation/ DNS record

Protocol

HTTP HTTPS

CNAME resolution

Follow chain Direct only

Applies when an A, TXT, or HTTP lookup reaches a CNAME alias.

Timeout

1s 5s 10s 20s

Checking authoritative servers

This may take up to the selected timeout.

Direct responses

Results

Queries are sent directly to the closest authoritative DNS zone.

v1.2.0