--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-09T00:00:00Z dns-udp-queries-received-ipv4: 3398901312 dns-udp-queries-received-ipv6: 484284115 dns-tcp-queries-received-ipv4: 128614143 dns-tcp-queries-received-ipv6: 62983079 dns-udp-responses-sent-ipv4: 3395713448 dns-udp-responses-sent-ipv6: 484239670 dns-tcp-responses-sent-ipv4: 131498376 dns-tcp-responses-sent-ipv6: 64447392