--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-14T00:00:00Z end-period: 2021-04-14T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6028497003 dns-udp-queries-received-ipv6: 1780883492 dns-tcp-queries-received-ipv4: 210801363 dns-tcp-queries-received-ipv6: 105813838 dns-udp-responses-sent-ipv4: 6028510469 dns-udp-responses-sent-ipv6: 1780744426 dns-tcp-responses-sent-ipv4: 210520081 dns-tcp-responses-sent-ipv6: 105757400