--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3678649145 dns-udp-queries-received-ipv6: 566648184 dns-tcp-queries-received-ipv4: 103519424 dns-tcp-queries-received-ipv6: 21012610 dns-udp-responses-sent-ipv4: 3580459014 dns-udp-responses-sent-ipv6: 566402039 dns-tcp-responses-sent-ipv4: 99959992 dns-tcp-responses-sent-ipv6: 21023051