--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3870660495 dns-udp-queries-received-ipv6: 388700610 dns-tcp-queries-received-ipv4: 147733818 dns-tcp-queries-received-ipv6: 9423844 dns-udp-responses-sent-ipv4: 3868573257 dns-udp-responses-sent-ipv6: 388667645 dns-tcp-responses-sent-ipv4: 147757349 dns-tcp-responses-sent-ipv6: 9512586