ns02.datev.com has no TXT records.
Question and response
Question
dig ns02.datev.com. TXT
Answer
The response has no answer records.
Authority
datev.com. 600 SOA ns01.datev.de. dnsmaster.datev.de. 2602261807 21600 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0