DNS response history for ns1.s21-dev.com

ns1.s21-dev.com 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 63 DNS check records, 63 successful responses, 0 failed responses, and 469 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 ns1.s21-dev.com.
Records on Selected Date

63

Historical checks stored for this nameserver on selected date

Average Latency

469 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

166.78.37.69

Most recently resolved hosting IP on selected date

Successful Responses

63

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 ns1.s21-dev.com

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
63 2026-08-08 23:49 639218291874134258
2255 ms 166.78.37.69
62 2026-08-08 23:34 639218282817785496
501 ms 166.78.37.69
61 2026-08-08 22:43 639218252106422334
513 ms 166.78.37.69
60 2026-08-08 22:28 639218243323944113
3 ms 166.78.37.69
59 2026-08-08 22:14 639218234397020230
503 ms 166.78.37.69
58 2026-08-08 21:59 639218225412858763
510 ms 166.78.37.69
57 2026-08-08 21:06 639218194282616684
3 ms 166.78.37.69
56 2026-08-08 20:51 639218185036989606
8 ms 166.78.37.69
55 2026-08-08 20:35 639218175974363575
292 ms 166.78.37.69
54 2026-08-08 20:20 639218166972644815
2371 ms 166.78.37.69
53 2026-08-08 19:29 639218135900313734
489 ms 166.78.37.69
52 2026-08-08 19:14 639218127088470726
507 ms 166.78.37.69
51 2026-08-08 18:59 639218118310406743
567 ms 166.78.37.69
50 2026-08-08 18:44 639218109452520238
510 ms 166.78.37.69
49 2026-08-08 17:53 639218078440804962
507 ms 166.78.37.69
48 2026-08-08 17:38 639218069827056995
261 ms 166.78.37.69
47 2026-08-08 17:23 639218060928974999
516 ms 166.78.37.69
46 2026-08-08 17:09 639218052072104591
504 ms 166.78.37.69
45 2026-08-08 16:17 639218021131612993
495 ms 166.78.37.69
44 2026-08-08 16:02 639218012544891033
511 ms 166.78.37.69
43 2026-08-08 15:48 639218003733822367
500 ms 166.78.37.69
42 2026-08-08 15:33 639217994998349201
266 ms 166.78.37.69
41 2026-08-08 14:41 639217963788814319
664 ms 166.78.37.69
40 2026-08-08 14:27 639217955087396874
568 ms 166.78.37.69
39 2026-08-08 14:12 639217946350294952
290 ms 166.78.37.69
38 2026-08-08 13:57 639217937526020436
491 ms 166.78.37.69
37 2026-08-08 13:06 639217906769667024
485 ms 166.78.37.69
36 2026-08-08 12:52 639217898300938849
529 ms 166.78.37.69
35 2026-08-08 12:38 639217889778639925
503 ms 166.78.37.69
34 2026-08-08 12:23 639217881083065140
9 ms 166.78.37.69
33 2026-08-08 11:33 639217850620659312
482 ms 166.78.37.69
32 2026-08-08 11:19 639217841938624907
142 ms 166.78.37.69
31 2026-08-08 11:04 639217833389546843
507 ms 166.78.37.69
30 2026-08-08 10:50 639217824846173945
243 ms 166.78.37.69
29 2026-08-08 09:58 639217793807292972
544 ms 166.78.37.69
28 2026-08-08 09:44 639217785208951403
512 ms 166.78.37.69
27 2026-08-08 09:29 639217776566534942
279 ms 166.78.37.69
26 2026-08-08 09:15 639217767935139326
263 ms 166.78.37.69
25 2026-08-08 08:24 639217737225367411
269 ms 166.78.37.69
24 2026-08-08 08:10 639217728765093674
501 ms 166.78.37.69
23 2026-08-08 07:55 639217720136905586
320 ms 166.78.37.69
22 2026-08-08 07:41 639217711410853004
5 ms 166.78.37.69
21 2026-08-08 06:49 639217680275549698
259 ms 166.78.37.69
20 2026-08-08 06:35 639217671340563867
247 ms 166.78.37.69
19 2026-08-08 06:20 639217662739829952
265 ms 166.78.37.69
18 2026-08-08 06:06 639217654129395144
522 ms 166.78.37.69
17 2026-08-08 05:15 639217623690502934
284 ms 166.78.37.69
16 2026-08-08 05:01 639217615180184169
493 ms 166.78.37.69
15 2026-08-08 04:47 639217606737293244
507 ms 166.78.37.69
14 2026-08-08 04:33 639217598089858483
501 ms 166.78.37.69
13 2026-08-08 03:41 639217567343169140
8 ms 166.78.37.69
12 2026-08-08 03:27 639217558743892856
491 ms 166.78.37.69
11 2026-08-08 03:12 639217550069823359
518 ms 166.78.37.69
10 2026-08-08 02:58 639217541571663863
194 ms 166.78.37.69
9 2026-08-08 02:09 639217510598671918
270 ms 166.78.37.69
8 2026-08-08 01:54 639217501853904641
494 ms 166.78.37.69
7 2026-08-08 01:40 639217492857464038
503 ms 166.78.37.69
6 2026-08-08 01:25 639217483935810845
3 ms 166.78.37.69
5 2026-08-08 01:10 639217475281344873
2031 ms 166.78.37.69
4 2026-08-08 00:55 639217466591266473
503 ms 166.78.37.69
3 2026-08-08 00:41 639217457842031506
508 ms 166.78.37.69
2 2026-08-08 00:26 639217449192590684
514 ms 166.78.37.69
1 2026-08-08 00:12 639217440385817840
251 ms 166.78.37.69