Question and response
Question
dig mailgate-3.zdv.uni-mainz.de. TXT
Answer
mailgate-3.zdv.uni-mainz.de. 86400 TXT "v=spf1 a -all"
Authority
uni-mainz.de. 86400 NS ns-extern.zdv.Uni-Mainz.DE.
uni-mainz.de. 86400 NS xlink1.xlink.net.
Additional
xlink1.xlink.net. 86400 A 194.45.97.99
ns-extern.zdv.uni-mainz.de. 86400 A 134.93.144.7
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0