--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-01-07T00:00:00Z' dns-udp-queries-received-ipv4: 1431070585 dns-udp-queries-received-ipv6: 274012197 dns-tcp-queries-received-ipv4: 41622905 dns-tcp-queries-received-ipv6: 8991307 dns-udp-responses-sent-ipv4: 1429947025 dns-udp-responses-sent-ipv6: 273994127 dns-tcp-responses-sent-ipv4: 49213768 dns-tcp-responses-sent-ipv6: 8457814