--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3478964605 dns-udp-queries-received-ipv6: 469532519 dns-tcp-queries-received-ipv4: 100082498 dns-tcp-queries-received-ipv6: 17743777 dns-udp-responses-sent-ipv4: 3395131000 dns-udp-responses-sent-ipv6: 469265955 dns-tcp-responses-sent-ipv4: 96824319 dns-tcp-responses-sent-ipv6: 17753426