Generate the Zone Signing Keys (ZSK) for the zone. Sign the ZSK using the KSK. Sign the relevant Resource Records of the zone using the ZSK. Update the ZSK ...

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

Apple_Supplier_Clean_Energy_Program_Update_2020 Supplier Clean Energy 2020 Program Update Apple is committed to addressing climate change and increasing the...

https://www.apple.com/jp/environment/pdf/Apple_Supplier_Clean_Energy_Program_Update_2020.pdf