--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-18T00:00:00Z dns-udp-queries-received-ipv4: 2889520310 dns-udp-queries-received-ipv6: 428527491 dns-tcp-queries-received-ipv4: 123831309 dns-tcp-queries-received-ipv6: 63771890 dns-udp-responses-sent-ipv4: 2886683545 dns-udp-responses-sent-ipv6: 428482290 dns-tcp-responses-sent-ipv4: 127454758 dns-tcp-responses-sent-ipv6: 65595967