--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6611596980 dns-udp-queries-received-ipv6: 1641770314 dns-tcp-queries-received-ipv4: 343843526 dns-tcp-queries-received-ipv6: 96200597 dns-udp-responses-sent-ipv4: 6448329694 dns-udp-responses-sent-ipv6: 1624309215 dns-tcp-responses-sent-ipv4: 331538342 dns-tcp-responses-sent-ipv6: 89305373