post.mpcdf.mpg.de has no NS records.
NS records for this zone are defined at mpcdf.mpg.de.
NS records for this zone are defined at mpcdf.mpg.de.
Question and response
Question
dig post.mpcdf.mpg.de. NS
Answer
The response has no answer records.
Authority
mpcdf.mpg.de. 10800 SOA sat.mpcdf.mpg.de. hostmaster.mpcdf.mpg.de. 2026022500 86400 1800 2419200 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0