--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-23T00:00:00Z dns-udp-queries-received-ipv4: 3608295033 dns-udp-queries-received-ipv6: 819249893 dns-tcp-queries-received-ipv4: 118309281 dns-tcp-queries-received-ipv6: 76214463 dns-udp-responses-sent-ipv4: 3601649275 dns-udp-responses-sent-ipv6: 819090795 dns-tcp-responses-sent-ipv4: 96842523 dns-tcp-responses-sent-ipv6: 78205434