--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6562506611 dns-udp-queries-received-ipv6: 1956283290 dns-tcp-queries-received-ipv4: 315142287 dns-tcp-queries-received-ipv6: 38649337 dns-udp-responses-sent-ipv4: 6385765575 dns-udp-responses-sent-ipv6: 1953344601 dns-tcp-responses-sent-ipv4: 290026520 dns-tcp-responses-sent-ipv6: 38191662