--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-07T00:00:00Z dns-udp-queries-received-ipv4: 4219183345 dns-udp-queries-received-ipv6: 475930200 dns-tcp-queries-received-ipv4: 122021350 dns-tcp-queries-received-ipv6: 67662719 dns-udp-responses-sent-ipv4: 4215426775 dns-udp-responses-sent-ipv6: 475869659 dns-tcp-responses-sent-ipv4: 124794999 dns-tcp-responses-sent-ipv6: 69656075