ocsp.apple.com is an alias for ocsp-lb.apple.com.akadns.net. ocsp-lb.apple.com.akadns.net is an alias for ocsp-a.g.aaplimg.com. ocsp-a.g.aaplimg.com has address 17.253.105.201 ocsp-a.g.aaplimg.com has address 17.253.105.202