--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-11T00:00:00Z' dns-udp-queries-received-ipv4: 3117249270 dns-udp-queries-received-ipv6: 699788742 dns-tcp-queries-received-ipv4: 75249259 dns-tcp-queries-received-ipv6: 18251532 dns-udp-responses-sent-ipv4: 3059736412 dns-udp-responses-sent-ipv6: 699693081 dns-tcp-responses-sent-ipv4: 50049030 dns-tcp-responses-sent-ipv6: 12321833