--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-01T00:00:00Z' end-period: '2019-07-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7923671571 dns-udp-queries-received-ipv6: 1840521710 dns-tcp-queries-received-ipv4: 370768324 dns-tcp-queries-received-ipv6: 84723670 dns-udp-responses-sent-ipv4: 7926056015 dns-udp-responses-sent-ipv6: 1839978564 dns-tcp-responses-sent-ipv4: 370599482 dns-tcp-responses-sent-ipv6: 84669381