Question and response
Question
dig htp-tel.de. MX
Answer
htp-tel.de. 3600 MX 100 mx01.htp-tel.de.
htp-tel.de. 3600 MX 100 mx02.htp-tel.de.
Authority
The response has no authority records.
Additional
mx01.htp-tel.de. 3600 A 81.14.243.99
mx02.htp-tel.de. 3600 A 81.14.243.107
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0