--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-10T00:00:00Z dns-udp-queries-received-ipv4: 3795801621 dns-udp-queries-received-ipv6: 992684415 dns-tcp-queries-received-ipv4: 110149497 dns-tcp-queries-received-ipv6: 61796806 dns-udp-responses-sent-ipv4: 3787566500 dns-udp-responses-sent-ipv6: 992531525 dns-tcp-responses-sent-ipv4: 91846672 dns-tcp-responses-sent-ipv6: 63744948