Question and response
Question
dig host.de.colt.net. PTR
Answer
The response has no answer records.
Authority
host.de.colt.net. 86400 SOA ns0.de.colt.net. hostmaster.de.colt.net. 2013022111 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0