--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6663165939 dns-udp-queries-received-ipv6: 1897199453 dns-tcp-queries-received-ipv4: 437760797 dns-tcp-queries-received-ipv6: 166222772 dns-udp-responses-sent-ipv4: 6236264664 dns-udp-responses-sent-ipv6: 1612671341 dns-tcp-responses-sent-ipv4: 390887161 dns-tcp-responses-sent-ipv6: 132815148