root-key-sentinel-not-ta-12345.mattnordhoff.net
Example
root-key-sentinel-is-ta-12345.mattnordhoff.net
root-key-sentinel-is-ta-19036.mattnordhoff.net
root-key-sentinel-is-ta-20326.mattnordhoff.net
root-key-sentinel-is-ta-38696.mattnordhoff.net
root-key-sentinel-is-ta-46211.mattnordhoff.net
root-key-sentinel-not-ta-12345.mattnordhoff.net
root-key-sentinel-not-ta-19036.mattnordhoff.net
root-key-sentinel-not-ta-20326.mattnordhoff.net
root-key-sentinel-not-ta-38696.mattnordhoff.net
root-key-sentinel-not-ta-46211.mattnordhoff.net
RFC 8509