--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-10-18T00:00:00Z' dns-udp-queries-received-ipv4: 2009641864 dns-udp-queries-received-ipv6: 367320566 dns-tcp-queries-received-ipv4: 39102021 dns-tcp-queries-received-ipv6: 14981299 dns-udp-responses-sent-ipv4: 2005216471 dns-udp-responses-sent-ipv6: 367119819 dns-tcp-responses-sent-ipv4: 36901187 dns-tcp-responses-sent-ipv6: 14115406