DNS response history for c.root-servers.net

c.root-servers.net is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-08. For this date, NameServerHistory found 64 DNS check records, 64 successful responses, 0 failed responses, and 206 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for c.root-servers.net.
Records on Selected Date

64

Historical checks stored for this nameserver on selected date

Average Latency

206 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.33.4.12

Most recently resolved hosting IP on selected date

Successful Responses

64

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for c.root-servers.net

Showing DNS history for 2026-08-08 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
64 2026-08-08 23:55 639218300987184335
2014 ms 192.33.4.12
63 2026-08-08 23:40 639218291874134258
2 ms 192.33.4.12
62 2026-08-08 23:25 639218282817785496
11 ms 192.33.4.12
61 2026-08-08 22:34 639218252106422334
52 ms 192.33.4.12
60 2026-08-08 22:19 639218243323944113
29 ms 192.33.4.12
59 2026-08-08 22:04 639218234397020230
37 ms 192.33.4.12
58 2026-08-08 21:49 639218225412858763
8 ms 192.33.4.12
57 2026-08-08 20:58 639218194282616684
16 ms 192.33.4.12
56 2026-08-08 20:43 639218185036989606
61 ms 192.33.4.12
55 2026-08-08 20:27 639218175974363575
11 ms 192.33.4.12
54 2026-08-08 20:12 639218166972644815
6 ms 192.33.4.12
53 2026-08-08 19:21 639218135900313734
8 ms 192.33.4.12
52 2026-08-08 19:06 639218127088470726
8 ms 192.33.4.12
51 2026-08-08 18:51 639218118310406743
21 ms 192.33.4.12
50 2026-08-08 18:37 639218109452520238
45 ms 192.33.4.12
49 2026-08-08 17:45 639218078440804962
4 ms 192.33.4.12
48 2026-08-08 17:31 639218069827056995
25 ms 192.33.4.12
47 2026-08-08 17:16 639218060928974999
35 ms 192.33.4.12
46 2026-08-08 17:01 639218052072104591
8 ms 192.33.4.12
45 2026-08-08 16:09 639218021131612993
3 ms 192.33.4.12
44 2026-08-08 15:54 639218012544891033
4 ms 192.33.4.12
43 2026-08-08 15:40 639218003733822367
3 ms 192.33.4.12
42 2026-08-08 15:25 639217994998349201
61 ms 192.33.4.12
41 2026-08-08 14:33 639217963788814319
22 ms 192.33.4.12
40 2026-08-08 14:19 639217955087396874
3 ms 192.33.4.12
39 2026-08-08 14:04 639217946350294952
6 ms 192.33.4.12
38 2026-08-08 13:49 639217937526020436
7 ms 192.33.4.12
37 2026-08-08 12:58 639217906769667024
4016 ms 192.33.4.12
36 2026-08-08 12:44 639217898300938849
2 ms 192.33.4.12
35 2026-08-08 12:30 639217889778639925
9 ms 192.33.4.12
34 2026-08-08 12:15 639217881083065140
65 ms 192.33.4.12
33 2026-08-08 11:26 639217850620659312
32 ms 192.33.4.12
32 2026-08-08 11:11 639217841938624907
3 ms 192.33.4.12
31 2026-08-08 10:57 639217833389546843
18 ms 192.33.4.12
30 2026-08-08 10:43 639217824846173945
94 ms 192.33.4.12
29 2026-08-08 09:51 639217793807292972
56 ms 192.33.4.12
28 2026-08-08 09:37 639217785208951403
3 ms 192.33.4.12
27 2026-08-08 09:22 639217776566534942
7 ms 192.33.4.12
26 2026-08-08 09:08 639217767935139326
4 ms 192.33.4.12
25 2026-08-08 08:17 639217737225367411
23 ms 192.33.4.12
24 2026-08-08 08:03 639217728765093674
7 ms 192.33.4.12
23 2026-08-08 07:48 639217720136905586
3 ms 192.33.4.12
22 2026-08-08 07:34 639217711410853004
4 ms 192.33.4.12
21 2026-08-08 06:41 639217680275549698
2030 ms 192.33.4.12
20 2026-08-08 06:26 639217671340563867
14 ms 192.33.4.12
19 2026-08-08 06:12 639217662739829952
2 ms 192.33.4.12
18 2026-08-08 05:57 639217654129395144
16 ms 192.33.4.12
17 2026-08-08 05:07 639217623690502934
25 ms 192.33.4.12
16 2026-08-08 04:52 639217615180184169
35 ms 192.33.4.12
15 2026-08-08 04:38 639217606737293244
7 ms 192.33.4.12
14 2026-08-08 04:24 639217598089858483
21 ms 192.33.4.12
13 2026-08-08 03:33 639217567343169140
3 ms 192.33.4.12
12 2026-08-08 03:18 639217558743892856
29 ms 192.33.4.12
11 2026-08-08 03:04 639217550069823359
2019 ms 192.33.4.12
10 2026-08-08 02:50 639217541571663863
49 ms 192.33.4.12
9 2026-08-08 02:03 639217510598671918
6 ms 192.33.4.12
8 2026-08-08 01:49 639217501853904641
9 ms 192.33.4.12
7 2026-08-08 01:34 639217492857464038
5 ms 192.33.4.12
6 2026-08-08 01:19 639217483935810845
2 ms 192.33.4.12
5 2026-08-08 01:04 639217475281344873
4 ms 192.33.4.12
4 2026-08-08 00:50 639217466591266473
3 ms 192.33.4.12
3 2026-08-08 00:36 639217457842031506
2 ms 192.33.4.12
2 2026-08-08 00:21 639217449192590684
2007 ms 192.33.4.12
1 2026-08-08 00:06 639217440385817840
8 ms 192.33.4.12