--- version: rssac002v3 service: a.root-servers.net start-period: '2020-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7782617797 dns-udp-queries-received-ipv6: 1617118540 dns-tcp-queries-received-ipv4: 355533557 dns-tcp-queries-received-ipv6: 139045893 dns-udp-responses-sent-ipv4: 7568602611 dns-udp-responses-sent-ipv6: 1615483782 dns-tcp-responses-sent-ipv4: 326229180 dns-tcp-responses-sent-ipv6: 139826719