--- version: rssac002v4 service: a.root-servers.net start-period: '2023-11-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8135505857 dns-udp-queries-received-ipv6: 1625069352 dns-tcp-queries-received-ipv4: 476061630 dns-tcp-queries-received-ipv6: 67569888 dns-udp-responses-sent-ipv4: 7968535104 dns-udp-responses-sent-ipv6: 1592150455 dns-tcp-responses-sent-ipv4: 461827778 dns-tcp-responses-sent-ipv6: 53150694