--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-27T00:00:00Z dns-udp-queries-received-ipv4: 3322233463 dns-udp-queries-received-ipv6: 494767339 dns-tcp-queries-received-ipv4: 124767716 dns-tcp-queries-received-ipv6: 70648129 dns-udp-responses-sent-ipv4: 3318702238 dns-udp-responses-sent-ipv6: 494610281 dns-tcp-responses-sent-ipv4: 128247998 dns-tcp-responses-sent-ipv6: 72357541