--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3758391357 dns-udp-queries-received-ipv6: 436317984 dns-tcp-queries-received-ipv4: 166980328 dns-tcp-queries-received-ipv6: 8433409 dns-udp-responses-sent-ipv4: 3750939260 dns-udp-responses-sent-ipv6: 435937102 dns-tcp-responses-sent-ipv4: 167074630 dns-tcp-responses-sent-ipv6: 8480322