---
service: h.root-servers.net
metric: traffic-volume
version: rssac002v4
start-period: 2021-10-07T00:00:00Z
dns-udp-queries-received-ipv4: 3057619047
dns-udp-queries-received-ipv6: 451256303
dns-tcp-queries-received-ipv4: 93272251
dns-tcp-queries-received-ipv6: 45330862
dns-udp-responses-sent-ipv4: 3054624085
dns-udp-responses-sent-ipv6: 451208452
dns-tcp-responses-sent-ipv4: 95074122
dns-tcp-responses-sent-ipv6: 46145548