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devtls

Grades your domains A+ to F, checks mail servers and DNS records, reviews pasted configs, and watches all of it on a schedule.

  • Service
  • Web app
  • API
  • From €0

devtls connects to your servers the way a browser or a mail client would, tests what they accept, and turns the result into a grade, a score out of 100 and a list of concrete fixes. It keeps every scan, re-scans on a schedule, and tells you when something changes.

Web TLS

TLS 1.0 to 1.3, cipher strength and forward secrecy, the certificate chain, hostname and expiry, and HSTS — on every address the name resolves to.

Mail servers

SMTP, submission, IMAP and POP3: certificates, protocols, and whether STARTTLS is really enforced. No credentials are ever sent.

Mail DNS

SPF (with its 10-lookup limit), DKIM, DMARC, MTA-STS and TLS-RPT, with a record you can paste.

Config review

Paste a docker-compose file, a Traefik config, an Nginx server block or a Caddyfile and get line-by-line findings, offline.