--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6239357802 dns-udp-queries-received-ipv6: 1462979113 dns-tcp-queries-received-ipv4: 369489873 dns-tcp-queries-received-ipv6: 76746270 dns-udp-responses-sent-ipv4: 6071389940 dns-udp-responses-sent-ipv6: 1451474865 dns-tcp-responses-sent-ipv4: 359522217 dns-tcp-responses-sent-ipv6: 72415020