post.rzg.mpg.de has no NS records.
NS records for this zone are defined at rzg.mpg.de.
NS records for this zone are defined at rzg.mpg.de.
Question and response
Question
dig post.rzg.mpg.de. NS
Answer
The response has no answer records.
Authority
rzg.mpg.de. 10800 SOA sat.mpcdf.mpg.de. hostmaster.mpcdf.mpg.de. 2026022400 86400 1800 2419200 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0