--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6627506598 dns-udp-queries-received-ipv6: 1171125314 dns-tcp-queries-received-ipv4: 682212331 dns-tcp-queries-received-ipv6: 152581418 dns-udp-responses-sent-ipv4: 5526967923 dns-udp-responses-sent-ipv6: 1070562492 dns-tcp-responses-sent-ipv4: 593812753 dns-tcp-responses-sent-ipv6: 146524748