xe-4-1-2.a02.frnkge07.de.bb.gin.ntt.net has no NS records.
NS records for this zone are defined at bb.gin.ntt.net.
NS records for this zone are defined at bb.gin.ntt.net.
Question and response
Question
dig xe-4-1-2.a02.frnkge07.de.bb.gin.ntt.net. NS
Answer
The response has no answer records.
Authority
bb.gin.ntt.net. 3600 SOA auth21.ns.gin.ntt.net. dns-tech.us.ntt.net. 2026032736 86400 3600 2592000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0