--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6751658537 dns-udp-queries-received-ipv6: 1354475981 dns-tcp-queries-received-ipv4: 211486185 dns-tcp-queries-received-ipv6: 42330579 dns-udp-responses-sent-ipv4: 6585954719 dns-udp-responses-sent-ipv6: 1353791475 dns-tcp-responses-sent-ipv4: 207431446 dns-tcp-responses-sent-ipv6: 43779404