--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2020-01-10T00:00:00Z' dns-udp-queries-received-ipv4: 3881978839 dns-udp-queries-received-ipv6: 871998258 dns-tcp-queries-received-ipv4: 162076116 dns-tcp-queries-received-ipv6: 58910772 dns-udp-responses-sent-ipv4: 3644379565 dns-udp-responses-sent-ipv6: 841087536 dns-tcp-responses-sent-ipv4: 144017511 dns-tcp-responses-sent-ipv6: 57155998