--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-02T00:00:00Z' dns-udp-queries-received-ipv4: 2168418414 dns-udp-queries-received-ipv6: 394129626 dns-tcp-queries-received-ipv4: 63660829 dns-tcp-queries-received-ipv6: 24891434 dns-udp-responses-sent-ipv4: 2126705884 dns-udp-responses-sent-ipv6: 386600723 dns-tcp-responses-sent-ipv4: 23368720 dns-tcp-responses-sent-ipv6: 12206732