--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3476368616 dns-udp-queries-received-ipv6: 390052046 dns-tcp-queries-received-ipv4: 165727158 dns-tcp-queries-received-ipv6: 7306008 dns-udp-responses-sent-ipv4: 3469761424 dns-udp-responses-sent-ipv6: 389524743 dns-tcp-responses-sent-ipv4: 165512002 dns-tcp-responses-sent-ipv6: 7326388