Constant ANNOTATION_RNDC_ROTATE_AT 

pub const ANNOTATION_RNDC_ROTATE_AT: &str = "bindy.firestoned.io/rndc-rotate-at";

Annotation key for RNDC key rotation timestamp (ISO 8601 format)

Tracks when the RNDC key should be rotated next. Calculated as: created_at + rotate_after

Only present when auto_rotate is enabled.

Example value: "2025-02-25T10:00:00Z" (30 days after creation)