3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
MATRIX service discovery (_matrix._tcp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's matrix service lives without guessing hosts. $0.01 per loo...
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
Matrix homeserver check: reads /.well-known/matrix/server (federation delegation) and /.well-known/matrix/client (client base URL, identity server), probes the federation version endpoint on the delegated host, and retur...