--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3186839875 dns-udp-queries-received-ipv6: 336793622 dns-tcp-queries-received-ipv4: 151164523 dns-tcp-queries-received-ipv6: 9784477 dns-udp-responses-sent-ipv4: 3185213111 dns-udp-responses-sent-ipv6: 336748376 dns-tcp-responses-sent-ipv4: 151077718 dns-tcp-responses-sent-ipv6: 9861360