Question and response
Question
dig www.jazztel.es. NS
Answer
www.jazztel.es. 5 CNAME uyakz4i.ng.impervadns.net.
Authority
impervadns.net. 60 SOA ns1.impervadns.net. hostmaster.incapsula.com. 3001 86400 7200 3600000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0