--- version: rssac002v4 service: a.root-servers.net start-period: '2023-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8095589032 dns-udp-queries-received-ipv6: 1542465174 dns-tcp-queries-received-ipv4: 472072305 dns-tcp-queries-received-ipv6: 66303478 dns-udp-responses-sent-ipv4: 7923639985 dns-udp-responses-sent-ipv6: 1516490891 dns-tcp-responses-sent-ipv4: 455237914 dns-tcp-responses-sent-ipv6: 54965244