--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-30T00:00:00Z dns-udp-queries-received-ipv4: 3123707213 dns-udp-queries-received-ipv6: 559225365 dns-tcp-queries-received-ipv4: 101242230 dns-tcp-queries-received-ipv6: 56749928 dns-udp-responses-sent-ipv4: 3120002002 dns-udp-responses-sent-ipv6: 559158741 dns-tcp-responses-sent-ipv4: 102918896 dns-tcp-responses-sent-ipv6: 58288960