--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3558571706 dns-udp-queries-received-ipv6: 358754715 dns-tcp-queries-received-ipv4: 157300008 dns-tcp-queries-received-ipv6: 7304944 dns-udp-responses-sent-ipv4: 3567302458 dns-udp-responses-sent-ipv6: 358713449 dns-tcp-responses-sent-ipv4: 157377697 dns-tcp-responses-sent-ipv6: 7435861