--- version: rssac002v3 service: d.root-servers.net start-period: '2019-09-19T00:00:00Z' end-period: '2019-09-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8744651543 dns-udp-queries-received-ipv6: 1602747554 dns-tcp-queries-received-ipv4: 508259956 dns-tcp-queries-received-ipv6: 55024388 dns-udp-responses-sent-ipv4: 8744691975 dns-udp-responses-sent-ipv6: 1602325541 dns-tcp-responses-sent-ipv4: 507972607 dns-tcp-responses-sent-ipv6: 54986138