--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-20T00:00:00Z dns-udp-queries-received-ipv4: 4075101056 dns-udp-queries-received-ipv6: 509022200 dns-tcp-queries-received-ipv4: 150403726 dns-tcp-queries-received-ipv6: 75968725 dns-udp-responses-sent-ipv4: 4069870752 dns-udp-responses-sent-ipv6: 508966991 dns-tcp-responses-sent-ipv4: 154642932 dns-tcp-responses-sent-ipv6: 78234518