--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2968787937 dns-udp-queries-received-ipv6: 313883518 dns-tcp-queries-received-ipv4: 159340178 dns-tcp-queries-received-ipv6: 6530558 dns-udp-responses-sent-ipv4: 2965944694 dns-udp-responses-sent-ipv6: 313873817 dns-tcp-responses-sent-ipv4: 159217636 dns-tcp-responses-sent-ipv6: 6640647