redirect.ups.com has no CNAME records.
Question and response
Question
dig redirect.ups.com. NS
Answer
The response has no answer records.
Authority
ups.com. 3580 SOA ibx.ups.com. hostmaster.nowhere.null. 2023428510 21600 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0