--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6491841413 dns-udp-queries-received-ipv6: 1175616899 dns-tcp-queries-received-ipv4: 647910632 dns-tcp-queries-received-ipv6: 156936390 dns-udp-responses-sent-ipv4: 5539580577 dns-udp-responses-sent-ipv6: 1081724974 dns-tcp-responses-sent-ipv4: 578117631 dns-tcp-responses-sent-ipv6: 151521282