Question and response
Question
dig netblock1.xvserver.com. EUI48
Answer
The response has no answer records.
Authority
xvserver.com. 14400 SOA ns1.xvserver.com. root.xvserver.com. 2017060700 14400 3600 1209600 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0