--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3934147489 dns-udp-queries-received-ipv6: 411484010 dns-tcp-queries-received-ipv4: 157227231 dns-tcp-queries-received-ipv6: 12593315 dns-udp-responses-sent-ipv4: 3931196096 dns-udp-responses-sent-ipv6: 411424574 dns-tcp-responses-sent-ipv4: 157833091 dns-tcp-responses-sent-ipv6: 12689182