--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5127017906 dns-udp-queries-received-ipv6: 993358501 dns-tcp-queries-received-ipv4: 117918220 dns-tcp-queries-received-ipv6: 24684031 dns-udp-responses-sent-ipv4: 5048714864 dns-udp-responses-sent-ipv6: 998689947 dns-tcp-responses-sent-ipv4: 115469731 dns-tcp-responses-sent-ipv6: 24444000