--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-02T00:00:00Z dns-udp-queries-received-ipv4: 4117351649 dns-udp-queries-received-ipv6: 505706625 dns-tcp-queries-received-ipv4: 132521182 dns-tcp-queries-received-ipv6: 69954999 dns-udp-responses-sent-ipv4: 4106237649 dns-udp-responses-sent-ipv6: 505654537 dns-tcp-responses-sent-ipv4: 136582702 dns-tcp-responses-sent-ipv6: 72153499