--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-10-15T00:00:00Z' dns-udp-queries-received-ipv4: 2017833275 dns-udp-queries-received-ipv6: 355558564 dns-tcp-queries-received-ipv4: 42949213 dns-tcp-queries-received-ipv6: 15458339 dns-udp-responses-sent-ipv4: 2013570907 dns-udp-responses-sent-ipv6: 355426983 dns-tcp-responses-sent-ipv4: 41249609 dns-tcp-responses-sent-ipv6: 14892188