--- version: rssac002v3 service: a.root-servers.net start-period: '2018-02-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3266725115 dns-udp-queries-received-ipv6: 415880987 dns-tcp-queries-received-ipv4: 149600906 dns-tcp-queries-received-ipv6: 17298404 dns-udp-responses-sent-ipv4: 3263380335 dns-udp-responses-sent-ipv6: 415860755 dns-tcp-responses-sent-ipv4: 149001218 dns-tcp-responses-sent-ipv6: 17408467