--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-12T00:00:00Z' dns-udp-queries-received-ipv4: 3711010657 dns-udp-queries-received-ipv6: 805336613 dns-tcp-queries-received-ipv4: 154845967 dns-tcp-queries-received-ipv6: 45582478 dns-udp-responses-sent-ipv4: 3468344897 dns-udp-responses-sent-ipv6: 782464304 dns-tcp-responses-sent-ipv4: 142782386 dns-tcp-responses-sent-ipv6: 41074585