--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-12-18T00:00:00Z' dns-udp-queries-received-ipv4: 1541324040 dns-udp-queries-received-ipv6: 275819757 dns-tcp-queries-received-ipv4: 43874055 dns-tcp-queries-received-ipv6: 9527873 dns-udp-responses-sent-ipv4: 1539447516 dns-udp-responses-sent-ipv6: 275808251 dns-tcp-responses-sent-ipv4: 46726665 dns-tcp-responses-sent-ipv6: 9298952