--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6691650862 dns-udp-queries-received-ipv6: 624007606 dns-tcp-queries-received-ipv4: 106603581 dns-tcp-queries-received-ipv6: 11191520 dns-udp-responses-sent-ipv4: 6706639964 dns-udp-responses-sent-ipv6: 621473012 dns-tcp-responses-sent-ipv4: 107595591 dns-tcp-responses-sent-ipv6: 11379134