--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-06T00:00:00Z' dns-udp-queries-received-ipv4: 2433027502 dns-udp-queries-received-ipv6: 516967503 dns-tcp-queries-received-ipv4: 45609273 dns-tcp-queries-received-ipv6: 12577725 dns-udp-responses-sent-ipv4: 2423776515 dns-udp-responses-sent-ipv6: 516007886 dns-tcp-responses-sent-ipv4: 42707266 dns-tcp-responses-sent-ipv6: 11956079