--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-10T00:00:00Z' dns-udp-queries-received-ipv4: 2426195727 dns-udp-queries-received-ipv6: 492493805 dns-tcp-queries-received-ipv4: 39729764 dns-tcp-queries-received-ipv6: 11607415 dns-udp-responses-sent-ipv4: 2391930071 dns-udp-responses-sent-ipv6: 490685197 dns-tcp-responses-sent-ipv4: 36494091 dns-tcp-responses-sent-ipv6: 10909704