--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-01T00:00:00Z' dns-udp-queries-received-ipv4: 3043228475 dns-udp-queries-received-ipv6: 624230288 dns-tcp-queries-received-ipv4: 66376088 dns-tcp-queries-received-ipv6: 16935857 dns-udp-responses-sent-ipv4: 3005163511 dns-udp-responses-sent-ipv6: 624506587 dns-tcp-responses-sent-ipv4: 48197668 dns-tcp-responses-sent-ipv6: 11786377