--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6451112492 dns-udp-queries-received-ipv6: 606671779 dns-tcp-queries-received-ipv4: 108173305 dns-tcp-queries-received-ipv6: 11327511 dns-udp-responses-sent-ipv4: 6494388368 dns-udp-responses-sent-ipv6: 602893046 dns-tcp-responses-sent-ipv4: 109701191 dns-tcp-responses-sent-ipv6: 11506853