DNSSEC, a registrar must submit a Delegation Signer (DS) record either via the Web Administration Tool, or via EPP (according to RFC 5910). For EPP, each re...

https://www.apple.com/jp/legal/intellectual-property/tld/dps/

or vice versa (REF_HTF) to control for the variable of listening fatigue or practice effects after。

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf