--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-30T00:00:00Z' end-period: '2019-05-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7713119891 dns-udp-queries-received-ipv6: 1851107915 dns-tcp-queries-received-ipv4: 392240384 dns-tcp-queries-received-ipv6: 71282033 dns-udp-responses-sent-ipv4: 7713045171 dns-udp-responses-sent-ipv6: 1851003309 dns-tcp-responses-sent-ipv4: 392127772 dns-tcp-responses-sent-ipv6: 71238469