--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-28T00:00:00Z' dns-udp-queries-received-ipv4: 2463102627 dns-udp-queries-received-ipv6: 503799481 dns-tcp-queries-received-ipv4: 43286042 dns-tcp-queries-received-ipv6: 11860712 dns-udp-responses-sent-ipv4: 2433894926 dns-udp-responses-sent-ipv6: 501519055 dns-tcp-responses-sent-ipv4: 39971881 dns-tcp-responses-sent-ipv6: 11152892