Records on Selected Date

37

Historical checks stored for this nameserver on selected date

Average Latency

11 ms

Calculated from available response records

Latest Check on Selected Date

2026-05-21 23:41

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

37

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 2026-05-21 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
37 2026-05-21 23:41 639150036931035472
4 ms 192.33.4.12
36 2026-05-21 22:24 639149990454844522
3 ms 192.33.4.12
35 2026-05-21 22:07 639149980636194437
3 ms 192.33.4.12
34 2026-05-21 21:51 639149970649421533
5 ms 192.33.4.12
33 2026-05-21 21:34 639149960509717985
19 ms 192.33.4.12
32 2026-05-21 21:16 639149949972221341
7 ms 192.33.4.12
31 2026-05-21 20:59 639149939494338893
88 ms 192.33.4.12
30 2026-05-21 20:49 639149933578883256
6 ms 192.33.4.12
29 2026-05-21 20:30 639149922163505347
3 ms 192.33.4.12
28 2026-05-21 19:11 639149874971763553
2 ms 192.33.4.12
27 2026-05-21 18:54 639149864757172754
5 ms 192.33.4.12
26 2026-05-21 18:38 639149854978706506
13 ms 192.33.4.12
25 2026-05-21 18:21 639149844907040965
25 ms 192.33.4.12
24 2026-05-21 18:04 639149834745164096
5 ms 192.33.4.12
23 2026-05-21 17:45 639149823358889291
6 ms 192.33.4.12
22 2026-05-21 16:25 639149775581367223
17 ms 192.33.4.12
21 2026-05-21 16:08 639149765298625516
5 ms 192.33.4.12
20 2026-05-21 15:52 639149755384920412
10 ms 192.33.4.12
19 2026-05-21 15:35 639149745267704842
91 ms 192.33.4.12
18 2026-05-21 15:17 639149734541596251
7 ms 192.33.4.12
17 2026-05-21 14:59 639149723651290768
6 ms 192.33.4.12
16 2026-05-21 13:40 639149676163002632
6 ms 192.33.4.12
15 2026-05-21 13:23 639149665892982236
4 ms 192.33.4.12
14 2026-05-21 13:05 639149655165364953
3 ms 192.33.4.12
13 2026-05-21 12:47 639149644233760897
23 ms 192.33.4.12
12 2026-05-21 12:31 639149633974380333
2 ms 192.33.4.12
11 2026-05-21 12:14 639149623779843662
4 ms 192.33.4.12
10 2026-05-21 10:52 639149574976353243
8 ms 192.33.4.12
9 2026-05-21 10:36 639149565473124536
6 ms 192.33.4.12
8 2026-05-21 10:21 639149556161576908
3 ms 192.33.4.12
7 2026-05-21 10:04 639149546265703064
4 ms 192.33.4.12
6 2026-05-21 08:38 639149494311503199
3 ms 192.33.4.12
5 2026-05-21 07:19 639149425066280037
3 ms 192.33.4.12
4 2026-05-21 05:33 639149360869242973
3 ms 192.33.4.12
3 2026-05-21 03:45 639149297081979120
4 ms 192.33.4.12
2 2026-05-21 01:59 639149233866602845
2 ms 192.33.4.12
1 2026-05-21 00:15 639149171169250829
3 ms 192.33.4.12