--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6770107145 dns-udp-queries-received-ipv6: 1916562167 dns-tcp-queries-received-ipv4: 353516216 dns-tcp-queries-received-ipv6: 131371838 dns-udp-responses-sent-ipv4: 6582228301 dns-udp-responses-sent-ipv6: 1863337193 dns-tcp-responses-sent-ipv4: 322469497 dns-tcp-responses-sent-ipv6: 124148702