--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5934909208 dns-udp-queries-received-ipv6: 1030779312 dns-tcp-queries-received-ipv4: 135389064 dns-tcp-queries-received-ipv6: 21859634 dns-udp-responses-sent-ipv4: 5945697524 dns-udp-responses-sent-ipv6: 1029826095 dns-tcp-responses-sent-ipv4: 132580114 dns-tcp-responses-sent-ipv6: 21662372