--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-02T00:00:00Z' dns-udp-queries-received-ipv4: 2350819758 dns-udp-queries-received-ipv6: 550984338 dns-tcp-queries-received-ipv4: 41485367 dns-tcp-queries-received-ipv6: 13903036 dns-udp-responses-sent-ipv4: 2331061181 dns-udp-responses-sent-ipv6: 549809632 dns-tcp-responses-sent-ipv4: 38957482 dns-tcp-responses-sent-ipv6: 13290517