--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-10T00:00:00Z' dns-udp-queries-received-ipv4: 2668429963 dns-udp-queries-received-ipv6: 520740343 dns-tcp-queries-received-ipv4: 62327844 dns-tcp-queries-received-ipv6: 17090101 dns-udp-responses-sent-ipv4: 2646661928 dns-udp-responses-sent-ipv6: 520355676 dns-tcp-responses-sent-ipv4: 61069405 dns-tcp-responses-sent-ipv6: 16946377