--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5446327750 dns-udp-queries-received-ipv6: 990567008 dns-tcp-queries-received-ipv4: 118982728 dns-tcp-queries-received-ipv6: 19474911 dns-udp-responses-sent-ipv4: 5479332242 dns-udp-responses-sent-ipv6: 970632571 dns-tcp-responses-sent-ipv4: 115838896 dns-tcp-responses-sent-ipv6: 19372296