--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-01-22T00:00:00Z' dns-udp-queries-received-ipv4: 1970196584 dns-udp-queries-received-ipv6: 507957184 dns-tcp-queries-received-ipv4: 1172625 dns-tcp-queries-received-ipv6: 4377000 dns-udp-responses-sent-ipv4: 1966447064 dns-udp-responses-sent-ipv6: 508390802 dns-tcp-responses-sent-ipv4: 311727 dns-tcp-responses-sent-ipv6: 3946461