DNS response history for ns1.simtk.org

ns1.simtk.org 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 2026-08-27. For this date, NameServerHistory found 51 DNS check records, 50 successful responses, 1 failed responses, and 454 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.simtk.org.
Records on Selected Date

51

Historical checks stored for this nameserver on selected date

Average Latency

454 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 17:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

171.64.65.169

Most recently resolved hosting IP on selected date

Successful Responses

50

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.simtk.org

Showing DNS history for 2026-08-27 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
51 2026-08-27 17:04 639234463759124388
2180 ms 171.64.65.169
50 2026-08-27 16:47 639234453500759178
646 ms 171.64.65.169
49 2026-08-27 16:30 639234442983541638
158 ms 171.64.65.169
48 2026-08-27 16:13 639234432404354562
352 ms 171.64.65.169
47 2026-08-27 15:18 639234399767719119
333 ms 171.64.65.169
46 2026-08-27 15:01 639234389460601485
175 ms 171.64.65.169
45 2026-08-27 14:44 639234379227178707
318 ms 171.64.65.169
44 2026-08-27 14:27 639234369065315214
312 ms 171.64.65.169
43 2026-08-27 14:10 639234358825501576
161 ms 171.64.65.169
42 2026-08-27 13:53 639234348572745268
551 ms 171.64.65.169
41 2026-08-27 13:35 639234338264503481
644 ms 171.64.65.169
40 2026-08-27 13:18 639234327818741376
320 ms 171.64.65.169
39 2026-08-27 13:01 639234317475724313
164 ms 171.64.65.169
38 2026-08-27 12:43 639234307007468133
395 ms 171.64.65.169
37 2026-08-27 12:26 639234296664302575
156 ms 171.64.65.169
36 2026-08-27 12:09 639234286253196126
329 ms 171.64.65.169
35 2026-08-27 11:15 639234253963286387
186 ms 171.64.65.169
34 2026-08-27 10:58 639234243654907465
170 ms 171.64.65.169
33 2026-08-27 10:40 639234233269654413
314 ms 171.64.65.169
32 2026-08-27 10:23 639234222943951923
316 ms 171.64.65.169
31 2026-08-27 10:06 639234212558002823
464 ms 171.64.65.169
30 2026-08-27 09:49 639234202117531850
335 ms 171.64.65.169
29 2026-08-27 09:31 639234191649612722
638 ms 171.64.65.169
28 2026-08-27 09:14 639234181105879568
336 ms 171.64.65.169
27 2026-08-27 08:56 639234170713214496
163 ms 171.64.65.169
26 2026-08-27 08:39 639234160341037652
330 ms 171.64.65.169
25 2026-08-27 08:21 639234149799404224
344 ms 171.64.65.169
24 2026-08-27 08:04 639234139553286469
157 ms 171.64.65.169
23 2026-08-27 07:10 639234107183588293
510 ms 171.64.65.169
22 2026-08-27 06:53 639234096905435724
176 ms 171.64.65.169
21 2026-08-27 06:36 639234086579410775
643 ms 171.64.65.169
20 2026-08-27 06:19 639234076291157956
-
19 2026-08-27 06:02 639234065981939454
319 ms 171.64.65.169
18 2026-08-27 05:44 639234055548642997
399 ms 171.64.65.169
17 2026-08-27 05:27 639234045267979603
443 ms 171.64.65.169
16 2026-08-27 05:10 639234034999717463
533 ms 171.64.65.169
15 2026-08-27 04:53 639234024739225358
156 ms 171.64.65.169
14 2026-08-27 04:36 639234014311170162
434 ms 171.64.65.169
13 2026-08-27 04:18 639234003806017640
154 ms 171.64.65.169
12 2026-08-27 04:01 639233993356203030
433 ms 171.64.65.169
11 2026-08-27 03:07 639233961301716608
156 ms 171.64.65.169
10 2026-08-27 02:50 639233950834200647
2169 ms 171.64.65.169
9 2026-08-27 02:32 639233940431849026
635 ms 171.64.65.169
8 2026-08-27 02:15 639233930110596398
406 ms 171.64.65.169
7 2026-08-27 01:58 639233919705434540
306 ms 171.64.65.169
6 2026-08-27 01:41 639233909452807845
417 ms 171.64.65.169
5 2026-08-27 01:23 639233899096420820
330 ms 171.64.65.169
4 2026-08-27 01:06 639233888707824939
152 ms 171.64.65.169
3 2026-08-27 00:49 639233878461203802
2307 ms 171.64.65.169
2 2026-08-27 00:32 639233868060868209
344 ms 171.64.65.169
1 2026-08-27 00:14 639233857450922991
324 ms 171.64.65.169