--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6652005405 dns-udp-queries-received-ipv6: 1406899881 dns-tcp-queries-received-ipv4: 233374937 dns-tcp-queries-received-ipv6: 73950448 dns-udp-responses-sent-ipv4: 6467010972 dns-udp-responses-sent-ipv6: 1406058858 dns-tcp-responses-sent-ipv4: 229296688 dns-tcp-responses-sent-ipv6: 74302771