--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-06T00:00:00Z dns-udp-queries-received-ipv4: 3067916914 dns-udp-queries-received-ipv6: 595325233 dns-tcp-queries-received-ipv4: 57291152 dns-tcp-queries-received-ipv6: 25468256 dns-udp-responses-sent-ipv4: 3064840165 dns-udp-responses-sent-ipv6: 595236496 dns-tcp-responses-sent-ipv4: 58508334 dns-tcp-responses-sent-ipv6: 26215458