--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5972409963 dns-udp-queries-received-ipv6: 1247404829 dns-tcp-queries-received-ipv4: 139363657 dns-tcp-queries-received-ipv6: 28541718 dns-udp-responses-sent-ipv4: 5877651505 dns-udp-responses-sent-ipv6: 1256695496 dns-tcp-responses-sent-ipv4: 137211581 dns-tcp-responses-sent-ipv6: 27908476