--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5122140999 dns-udp-queries-received-ipv6: 939105869 dns-tcp-queries-received-ipv4: 134012294 dns-tcp-queries-received-ipv6: 25936910 dns-udp-responses-sent-ipv4: 5086570702 dns-udp-responses-sent-ipv6: 938255083 dns-tcp-responses-sent-ipv4: 131450060 dns-tcp-responses-sent-ipv6: 25655892