--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5676571951 dns-udp-queries-received-ipv6: 1798939631 dns-tcp-queries-received-ipv4: 307015558 dns-tcp-queries-received-ipv6: 68236452 dns-udp-responses-sent-ipv4: 6631142001 dns-udp-responses-sent-ipv6: 1754827068 dns-tcp-responses-sent-ipv4: 280030616 dns-tcp-responses-sent-ipv6: 67985560