gw.21grams.com has no NS records.
NS records for this zone are defined at 21grams.com.
NS records for this zone are defined at 21grams.com.
Question and response
Question
dig gw.21grams.com. NS
Answer
The response has no answer records.
Authority
21grams.com. 3600 SOA ns100.digicertdns.com. registry.ports.net. 2026031300 3600 900 1814400 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0