--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-09T00:00:00Z' dns-udp-queries-received-ipv4: 1823878973 dns-udp-queries-received-ipv6: 428872662 dns-tcp-queries-received-ipv4: 1441356 dns-tcp-queries-received-ipv6: 4502699 dns-udp-responses-sent-ipv4: 1823715338 dns-udp-responses-sent-ipv6: 430280889 dns-tcp-responses-sent-ipv4: 1255418 dns-tcp-responses-sent-ipv6: 4699379