--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-10-09T00:00:00Z' dns-udp-queries-received-ipv4: 2174159043 dns-udp-queries-received-ipv6: 505766991 dns-tcp-queries-received-ipv4: 42835160 dns-tcp-queries-received-ipv6: 12150556 dns-udp-responses-sent-ipv4: 2111642059 dns-udp-responses-sent-ipv6: 508713141 dns-tcp-responses-sent-ipv4: 25987080 dns-tcp-responses-sent-ipv6: 7771677