--- version: rssac002v4 service: a.root-servers.net start-period: '2023-10-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7966894998 dns-udp-queries-received-ipv6: 1612722446 dns-tcp-queries-received-ipv4: 438326050 dns-tcp-queries-received-ipv6: 65269463 dns-udp-responses-sent-ipv4: 7808241676 dns-udp-responses-sent-ipv6: 1574185993 dns-tcp-responses-sent-ipv4: 418477591 dns-tcp-responses-sent-ipv6: 50051821