--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-29T00:00:00Z dns-udp-queries-received-ipv4: 3823467415 dns-udp-queries-received-ipv6: 985047630 dns-tcp-queries-received-ipv4: 121899678 dns-tcp-queries-received-ipv6: 67785942 dns-udp-responses-sent-ipv4: 3814667076 dns-udp-responses-sent-ipv6: 984888656 dns-tcp-responses-sent-ipv4: 124289080 dns-tcp-responses-sent-ipv6: 69798953