aruba2.cv.hp.com has no NS records.
NS records for this zone are defined at cv.hp.com.
NS records for this zone are defined at cv.hp.com.
Question and response
Question
dig aruba2.cv.hp.com. NS
Answer
The response has no answer records.
Authority
cv.hp.com. 900 SOA txa01hpiibpe.ams.hp.net. hostmaster.hp.com. 443251640 3600 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0