web1.advrider.com has no NS records.
NS records for this zone are defined at advrider.com.
NS records for this zone are defined at advrider.com.
Question and response
Question
dig web1.advrider.com. NS
Answer
The response has no answer records.
Authority
advrider.com. 300 SOA ns-cloud-b1.googledomains.com. cloud-dns-hostmaster.google.com. 4 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0