--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-11T00:00:00Z end-period: 2021-04-11T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 5265692817 dns-udp-queries-received-ipv6: 1525093699 dns-tcp-queries-received-ipv4: 196001437 dns-tcp-queries-received-ipv6: 97043881 dns-udp-responses-sent-ipv4: 5265703985 dns-udp-responses-sent-ipv6: 1524923711 dns-tcp-responses-sent-ipv4: 195885217 dns-tcp-responses-sent-ipv6: 96996739