--- version: rssac002v4 service: j.root-servers.net start-period: '2023-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6840846757 dns-udp-queries-received-ipv6: 2400829851 dns-tcp-queries-received-ipv4: 276065375 dns-tcp-queries-received-ipv6: 299110472 dns-udp-responses-sent-ipv4: 6494822897 dns-udp-responses-sent-ipv6: 2243376322 dns-tcp-responses-sent-ipv4: 221326951 dns-tcp-responses-sent-ipv6: 243284369