--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-03T00:00:00Z' dns-udp-queries-received-ipv4: 2461794416 dns-udp-queries-received-ipv6: 534186625 dns-tcp-queries-received-ipv4: 40031691 dns-tcp-queries-received-ipv6: 14008393 dns-udp-responses-sent-ipv4: 2442444992 dns-udp-responses-sent-ipv6: 532913722 dns-tcp-responses-sent-ipv4: 37586547 dns-tcp-responses-sent-ipv6: 13380184