--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2020-01-21T00:00:00Z' dns-udp-queries-received-ipv4: 3737160270 dns-udp-queries-received-ipv6: 793645206 dns-tcp-queries-received-ipv4: 157907139 dns-tcp-queries-received-ipv6: 52752196 dns-udp-responses-sent-ipv4: 3554369452 dns-udp-responses-sent-ipv6: 782944946 dns-tcp-responses-sent-ipv4: 141061513 dns-tcp-responses-sent-ipv6: 51514340