--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6930232908 dns-udp-queries-received-ipv6: 2251183557 dns-tcp-queries-received-ipv4: 416935617 dns-tcp-queries-received-ipv6: 124251865 dns-udp-responses-sent-ipv4: 6375837244 dns-udp-responses-sent-ipv6: 1870567087 dns-tcp-responses-sent-ipv4: 370225811 dns-tcp-responses-sent-ipv6: 100025799