--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-08T00:00:00Z' dns-udp-queries-received-ipv4: 3596410261 dns-udp-queries-received-ipv6: 905955893 dns-tcp-queries-received-ipv4: 147102544 dns-tcp-queries-received-ipv6: 44982922 dns-udp-responses-sent-ipv4: 3342102976 dns-udp-responses-sent-ipv6: 845908912 dns-tcp-responses-sent-ipv4: 134342269 dns-tcp-responses-sent-ipv6: 39541011