--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-03T00:00:00Z' dns-udp-queries-received-ipv4: 2228785482 dns-udp-queries-received-ipv6: 467227505 dns-tcp-queries-received-ipv4: 45698558 dns-tcp-queries-received-ipv6: 13577239 dns-udp-responses-sent-ipv4: 2229435756 dns-udp-responses-sent-ipv6: 466936776 dns-tcp-responses-sent-ipv4: 43254129 dns-tcp-responses-sent-ipv6: 13001897