--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4332011532 dns-udp-queries-received-ipv6: 624685693 dns-tcp-queries-received-ipv4: 112610270 dns-tcp-queries-received-ipv6: 26059333 dns-udp-responses-sent-ipv4: 4219306989 dns-udp-responses-sent-ipv6: 624368280 dns-tcp-responses-sent-ipv4: 109842320 dns-tcp-responses-sent-ipv6: 26204234