--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3506548047 dns-udp-queries-received-ipv6: 383850289 dns-tcp-queries-received-ipv4: 158256898 dns-tcp-queries-received-ipv6: 10588225 dns-udp-responses-sent-ipv4: 3504078981 dns-udp-responses-sent-ipv6: 383836151 dns-tcp-responses-sent-ipv4: 158183158 dns-tcp-responses-sent-ipv6: 10588139