Question and response
Question
dig search.dockersrc.us. NS
Answer
search.dockersrc.us. 5 CNAME services.dockersrc.us.
Authority
dockersrc.us. 1166 SOA dns.dockersrc.us. dns-admin.dockersrc.us. 2026010360 10800 3600 1209600 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0