oleibzd02.ext.ti.com has no CNAME records.
Question and response
Question
dig oleibzd02.ext.ti.com. NS
Answer
The response has no answer records.
Authority
ext.ti.com. 104 SOA oqdibfd.itg.ti.com. hostmaster.ti.com. 2013107778 300 300 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0