--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4924937523 dns-udp-queries-received-ipv6: 623118686 dns-tcp-queries-received-ipv4: 92841011 dns-tcp-queries-received-ipv6: 12358218 dns-udp-responses-sent-ipv4: 4977097318 dns-udp-responses-sent-ipv6: 679564888 dns-tcp-responses-sent-ipv4: 92052024 dns-tcp-responses-sent-ipv6: 12386888