---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v4
start-period: 2021-04-23T00:00:00Z
dns-udp-queries-received-ipv4: 3794905289
dns-udp-queries-received-ipv6: 1009996596
dns-tcp-queries-received-ipv4: 131824049
dns-tcp-queries-received-ipv6: 72935559
dns-udp-responses-sent-ipv4: 3782909390
dns-udp-responses-sent-ipv6: 1009822009
dns-tcp-responses-sent-ipv4: 134029580
dns-tcp-responses-sent-ipv6: 74897725