host.jsc.nasa.gov.
Question and response
Question
dig 207.7.157.128.in-addr.arpa. PTR
Answer
207.7.157.128.in-addr.arpa. 14400 PTR host.jsc.nasa.gov.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0