--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6594098604 dns-udp-queries-received-ipv6: 1311289221 dns-tcp-queries-received-ipv4: 646435130 dns-tcp-queries-received-ipv6: 155841503 dns-udp-responses-sent-ipv4: 5737206190 dns-udp-responses-sent-ipv6: 1229906554 dns-tcp-responses-sent-ipv4: 590831790 dns-tcp-responses-sent-ipv6: 150788184