--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6235334751 dns-udp-queries-received-ipv6: 1778672939 dns-tcp-queries-received-ipv4: 370495894 dns-tcp-queries-received-ipv6: 106344725 dns-udp-responses-sent-ipv4: 5912361656 dns-udp-responses-sent-ipv6: 1673831931 dns-tcp-responses-sent-ipv4: 325094235 dns-tcp-responses-sent-ipv6: 92542549