--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6806409071 dns-udp-queries-received-ipv6: 2281566790 dns-tcp-queries-received-ipv4: 401616566 dns-tcp-queries-received-ipv6: 151647762 dns-udp-responses-sent-ipv4: 6244732939 dns-udp-responses-sent-ipv6: 1937754848 dns-tcp-responses-sent-ipv4: 341482252 dns-tcp-responses-sent-ipv6: 126323663