--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9308491152 dns-udp-queries-received-ipv6: 1673429828 dns-tcp-queries-received-ipv4: 323024371 dns-tcp-queries-received-ipv6: 143892010 dns-udp-responses-sent-ipv4: 9040310496 dns-udp-responses-sent-ipv6: 1654500025 dns-tcp-responses-sent-ipv4: 317481528 dns-tcp-responses-sent-ipv6: 141463842