ldgw.razorfish.com has no NS records.
NS records for this zone are defined at razorfish.com.
NS records for this zone are defined at razorfish.com.
Question and response
Question
dig ldgw.razorfish.com. NS
Answer
The response has no answer records.
Authority
razorfish.com. 900 SOA ns1.publicisgroupe.com. network\.support.us-resources.com. 318705342 10800 3600 2592000 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0