--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-12T00:00:00Z' dns-udp-queries-received-ipv4: 2600931234 dns-udp-queries-received-ipv6: 646413585 dns-tcp-queries-received-ipv4: 57249890 dns-tcp-queries-received-ipv6: 13865852 dns-udp-responses-sent-ipv4: 2581469256 dns-udp-responses-sent-ipv6: 646024944 dns-tcp-responses-sent-ipv4: 56028688 dns-tcp-responses-sent-ipv6: 13722889