ns9.pinterest.com has no NS records.
NS records for this zone are defined at pinterest.com.
NS records for this zone are defined at pinterest.com.
Question and response
Question
dig ns9.pinterest.com. NS
Answer
The response has no answer records.
Authority
pinterest.com. 1800 SOA ns5.pinterest.com. hostmaster.nsone.net. 1658264916 21600 3600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0