--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3429628384 dns-udp-queries-received-ipv6: 362200345 dns-tcp-queries-received-ipv4: 145905644 dns-tcp-queries-received-ipv6: 8784525 dns-udp-responses-sent-ipv4: 3428634870 dns-udp-responses-sent-ipv6: 362184221 dns-tcp-responses-sent-ipv4: 145907596 dns-tcp-responses-sent-ipv6: 8878479