--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3218080187 dns-udp-queries-received-ipv6: 480921882 dns-tcp-queries-received-ipv4: 100471712 dns-tcp-queries-received-ipv6: 19538436 dns-udp-responses-sent-ipv4: 3133774205 dns-udp-responses-sent-ipv6: 480679070 dns-tcp-responses-sent-ipv4: 96700207 dns-tcp-responses-sent-ipv6: 19580832