--- version: rssac002v4 service: a.root-servers.net start-period: '2024-01-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7996662477 dns-udp-queries-received-ipv6: 1735721985 dns-tcp-queries-received-ipv4: 373630929 dns-tcp-queries-received-ipv6: 72935770 dns-udp-responses-sent-ipv4: 7812812431 dns-udp-responses-sent-ipv6: 1705247187 dns-tcp-responses-sent-ipv4: 348876118 dns-tcp-responses-sent-ipv6: 59176650