--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-12-25T00:00:00Z' dns-udp-queries-received-ipv4: 1384771463 dns-udp-queries-received-ipv6: 242545436 dns-tcp-queries-received-ipv4: 41537077 dns-tcp-queries-received-ipv6: 9090739 dns-udp-responses-sent-ipv4: 1384156968 dns-udp-responses-sent-ipv6: 242529645 dns-tcp-responses-sent-ipv4: 44775977 dns-tcp-responses-sent-ipv6: 8798761