Question and response
Question
dig sfr-sh.net. A
Answer
sfr-sh.net. 21600 A 87.255.141.18
Authority
sfr-sh.net. 21600 NS ullinn.fast.jmsp.net.
sfr-sh.net. 21600 NS helgi.fast.jmsp.net.
Additional
ullinn.fast.jmsp.net. 21600 A 194.153.92.13
helgi.fast.jmsp.net. 21600 A 212.23.165.29
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0