--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-29T00:00:00Z' dns-udp-queries-received-ipv4: 2921136692 dns-udp-queries-received-ipv6: 584553353 dns-tcp-queries-received-ipv4: 66526998 dns-tcp-queries-received-ipv6: 17897791 dns-udp-responses-sent-ipv4: 2887419832 dns-udp-responses-sent-ipv6: 583263584 dns-tcp-responses-sent-ipv4: 46591067 dns-tcp-responses-sent-ipv6: 12265153