--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-23T00:00:00Z dns-udp-queries-received-ipv4: 3721525167 dns-udp-queries-received-ipv6: 950154357 dns-tcp-queries-received-ipv4: 110140201 dns-tcp-queries-received-ipv6: 63416798 dns-udp-responses-sent-ipv4: 3712866089 dns-udp-responses-sent-ipv6: 949991558 dns-tcp-responses-sent-ipv4: 89582005 dns-tcp-responses-sent-ipv6: 65146269