--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5092522287 dns-udp-queries-received-ipv6: 589325506 dns-tcp-queries-received-ipv4: 81278033 dns-tcp-queries-received-ipv6: 13440726 dns-udp-responses-sent-ipv4: 5183921390 dns-udp-responses-sent-ipv6: 585114963 dns-tcp-responses-sent-ipv4: 81775065 dns-tcp-responses-sent-ipv6: 13412777