--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4233130561 dns-udp-queries-received-ipv6: 414321320 dns-tcp-queries-received-ipv4: 116717213 dns-tcp-queries-received-ipv6: 13678543 dns-udp-responses-sent-ipv4: 4229505845 dns-udp-responses-sent-ipv6: 414277171 dns-tcp-responses-sent-ipv4: 117093278 dns-tcp-responses-sent-ipv6: 13767899