Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before January 13, 2026

Server Max QPS Min QPS Trend Average
s-01 2 868 1 661 2 038
b-01 2 814 1 660 2 023
r-01 2 817 1 641 2 014
b-03 2 766 1 637 2 007
s-02 1 789 968 1 185
b-04 1 745 875 1 110
r-02 1 696 885 1 108
b-02 1 685 864 1 087

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before January 13, 2026

RCODE Max QPS Min QPS Trend Average
NoError 13 418 8 029 9 949
NXDomain 2 098 1 286 1 559
ServFail 2 378 476 861
NotImp 665 41 168
Refused 50 32 37
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before January 13, 2026

QTYPE Max QPS Min QPS Trend Average
A 9 028 5 417 6 604
AAAA 1 998 1 489 1 658
Other 1 571 1 127 1 330
PTR 1 001 655 801
ANY 2 690 167 679

Top domains

Top 1000 domains by client cardinality magnitude on January 12, 2026

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6