--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-13T00:00:00Z dns-udp-queries-received-ipv4: 3609805709 dns-udp-queries-received-ipv6: 454769049 dns-tcp-queries-received-ipv4: 123942197 dns-tcp-queries-received-ipv6: 66063365 dns-udp-responses-sent-ipv4: 3606018672 dns-udp-responses-sent-ipv6: 454710121 dns-tcp-responses-sent-ipv4: 128282405 dns-tcp-responses-sent-ipv6: 68465602