--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-02T00:00:00Z dns-udp-queries-received-ipv4: 3710324649 dns-udp-queries-received-ipv6: 930840503 dns-tcp-queries-received-ipv4: 116374729 dns-tcp-queries-received-ipv6: 61172271 dns-udp-responses-sent-ipv4: 3706171990 dns-udp-responses-sent-ipv6: 930709204 dns-tcp-responses-sent-ipv4: 118675828 dns-tcp-responses-sent-ipv6: 62893054