us20-west.irondns.net has no NS records.
NS records for this zone are defined at irondns.net.
NS records for this zone are defined at irondns.net.
Question and response
Question
dig us20-west.irondns.net. NS
Answer
The response has no answer records.
Authority
irondns.net. 86400 SOA anycast30.irondns.net. dnsmaster.knipp.de. 2023090502 14400 3600 2419200 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0