--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-27T00:00:00Z' dns-udp-queries-received-ipv4: 3731263477 dns-udp-queries-received-ipv6: 780499779 dns-tcp-queries-received-ipv4: 163323923 dns-tcp-queries-received-ipv6: 63288170 dns-udp-responses-sent-ipv4: 3514636071 dns-udp-responses-sent-ipv6: 761266344 dns-tcp-responses-sent-ipv4: 144567552 dns-tcp-responses-sent-ipv6: 61908194