CTlogs.io terms of service

You may use the service for: security research and incident response; monitoring the certificates issued for domains you own or are authorised to protect, including detecting mis-issued or unauthorised certificates; brand protection: finding look-alike and impersonating hostnames.

Records you retrieve are yours to keep and to use for these purposes.

use the service or its output to identify, locate, profile, market to or generate leads on natural persons, or to enrich data about them

attempt to circumvent quotas, rate limits or authentication

resell, redistribute or republish bulk extracts of the service output

use the service or its output to build, train or operate a product or service that competes with ctlogs.io, such as a certificate or hostname search, monitoring or data feed offering

use the service to facilitate unlawful activity against the domains it surfaces

resell, redistribute or republish bulk extracts of the service output

German law applies, excluding the UN Convention on Contracts for the International Sale of Goods.

We are liable without limitation for damage caused intentionally or by gross negligence, and for injury to life, body or health. For slight negligence we are liable only for breach of a material contractual obligation, and only up to the damage typically foreseeable at the time of contracting.

An account used in breach of these rules may be suspended, restricted or deleted without any prior warning, together with its data.

Material changes are announced by email to the address on your account at least 30 days before they take effect.

Your plan includes hourly request quotas per query category, a per-second rate limit, and a limit on how many requests may be in flight at the same time.