--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-18T00:00:00Z' end-period: '2019-12-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8326663884 dns-udp-queries-received-ipv6: 1737063145 dns-tcp-queries-received-ipv4: 552940898 dns-tcp-queries-received-ipv6: 94164992 dns-udp-responses-sent-ipv4: 8326702872 dns-udp-responses-sent-ipv6: 1737026290 dns-tcp-responses-sent-ipv4: 552869452 dns-tcp-responses-sent-ipv6: 94113355