--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-28T00:00:00Z dns-udp-queries-received-ipv4: 4153409580 dns-udp-queries-received-ipv6: 488528309 dns-tcp-queries-received-ipv4: 129959474 dns-tcp-queries-received-ipv6: 78048560 dns-udp-responses-sent-ipv4: 4149721874 dns-udp-responses-sent-ipv6: 488487860 dns-tcp-responses-sent-ipv4: 133084066 dns-tcp-responses-sent-ipv6: 80230683