JWKS Catalog

IONOS (Auth)

OpenID Configuration https://auth.ionos.com/.well-known/openid-configuration

JWKS URI https://auth.ionos.com/1.0/oauth/.well-known/jwks.json

Active Keys

KID	Use	Alg/Crv	Key Length	Observed
2026-08-01		EdDSA	256	2026-08-06
2026-08-05		EdDSA	256	2026-08-06
2026-05-06		RS512	4096	2026-05-07
2018-11-27		RS512	4096	2025-07-17