--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5394067651 dns-udp-queries-received-ipv6: 948776918 dns-tcp-queries-received-ipv4: 126784088 dns-tcp-queries-received-ipv6: 19593436 dns-udp-responses-sent-ipv4: 5358411584 dns-udp-responses-sent-ipv6: 947599806 dns-tcp-responses-sent-ipv4: 123989658 dns-tcp-responses-sent-ipv6: 19390950