--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6533283083 dns-udp-queries-received-ipv6: 1080908685 dns-tcp-queries-received-ipv4: 465951961 dns-tcp-queries-received-ipv6: 153583212 dns-udp-responses-sent-ipv4: 4971685035 dns-udp-responses-sent-ipv6: 805733024 dns-tcp-responses-sent-ipv4: 413212918 dns-tcp-responses-sent-ipv6: 128653685