--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-04T00:00:00Z dns-udp-queries-received-ipv4: 2753929582 dns-udp-queries-received-ipv6: 600316478 dns-tcp-queries-received-ipv4: 57511058 dns-tcp-queries-received-ipv6: 41734624 dns-udp-responses-sent-ipv4: 2750951061 dns-udp-responses-sent-ipv6: 600234128 dns-tcp-responses-sent-ipv4: 58801147 dns-tcp-responses-sent-ipv6: 42433863