--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-11T00:00:00Z dns-udp-queries-received-ipv4: 3718984128 dns-udp-queries-received-ipv6: 944882970 dns-tcp-queries-received-ipv4: 113770980 dns-tcp-queries-received-ipv6: 74170773 dns-udp-responses-sent-ipv4: 3709472267 dns-udp-responses-sent-ipv6: 944760694 dns-tcp-responses-sent-ipv4: 91788021 dns-tcp-responses-sent-ipv6: 76178018