DNS response history for ns1.backboulder.com

ns1.backboulder.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 2026-08-23. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 236 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.backboulder.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

236 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

66.85.132.25

Most recently resolved hosting IP on selected date

Successful Responses

76

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.backboulder.com

Showing DNS history for 2026-08-23 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
76 2026-08-23 23:58 639231254406598736
3 ms 66.85.132.25
75 2026-08-23 23:42 639231244697865594
3 ms 66.85.132.25
74 2026-08-23 23:25 639231234893504693
3 ms 66.85.132.25
73 2026-08-23 23:09 639231225024549139
2 ms 66.85.132.25
72 2026-08-23 22:52 639231214931957622
4 ms 66.85.132.25
71 2026-08-23 22:35 639231204962010549
2 ms 66.85.132.25
70 2026-08-23 22:19 639231195170138463
4 ms 66.85.132.25
69 2026-08-23 22:03 639231185235020577
304 ms 66.85.132.25
68 2026-08-23 21:46 639231175558690075
292 ms 66.85.132.25
67 2026-08-23 21:30 639231165610444012
309 ms 66.85.132.25
66 2026-08-23 20:37 639231133806425363
8 ms 66.85.132.25
65 2026-08-23 20:21 639231124203758023
305 ms 66.85.132.25
64 2026-08-23 20:04 639231114428262706
23 ms 66.85.132.25
63 2026-08-23 19:48 639231104662480065
4 ms 66.85.132.25
62 2026-08-23 19:32 639231094840372018
4 ms 66.85.132.25
61 2026-08-23 19:16 639231085024583224
6 ms 66.85.132.25
60 2026-08-23 18:59 639231075257417427
4 ms 66.85.132.25
59 2026-08-23 18:43 639231065516009503
294 ms 66.85.132.25
58 2026-08-23 18:27 639231055805348837
317 ms 66.85.132.25
57 2026-08-23 18:10 639231045980373765
298 ms 66.85.132.25
56 2026-08-23 17:54 639231035984577527
2 ms 66.85.132.25
55 2026-08-23 17:37 639231025928115303
2 ms 66.85.132.25
54 2026-08-23 16:44 639230994250157583
4 ms 66.85.132.25
53 2026-08-23 16:28 639230984476411369
4 ms 66.85.132.25
52 2026-08-23 16:12 639230974838373450
5 ms 66.85.132.25
51 2026-08-23 15:56 639230965244277645
6 ms 66.85.132.25
50 2026-08-23 15:40 639230955522101820
2303 ms 66.85.132.25
49 2026-08-23 15:23 639230945754521603
4 ms 66.85.132.25
48 2026-08-23 15:07 639230935852040504
3 ms 66.85.132.25
47 2026-08-23 14:51 639230926222061048
3 ms 66.85.132.25
46 2026-08-23 14:34 639230916449726907
8 ms 66.85.132.25
45 2026-08-23 14:18 639230906595053086
9 ms 66.85.132.25
44 2026-08-23 14:02 639230896680429441
3 ms 66.85.132.25
43 2026-08-23 13:45 639230886630210965
304 ms 66.85.132.25
42 2026-08-23 12:53 639230855430405719
4 ms 66.85.132.25
41 2026-08-23 12:37 639230845707499136
298 ms 66.85.132.25
40 2026-08-23 12:20 639230836186805419
301 ms 66.85.132.25
39 2026-08-23 12:04 639230826493828316
4 ms 66.85.132.25
38 2026-08-23 11:48 639230816817882996
298 ms 66.85.132.25
37 2026-08-23 11:32 639230806933854189
4 ms 66.85.132.25
36 2026-08-23 11:16 639230797120243854
175 ms 66.85.132.25
35 2026-08-23 10:59 639230787310272840
298 ms 66.85.132.25
34 2026-08-23 10:43 639230777600173142
300 ms 66.85.132.25
33 2026-08-23 10:27 639230767665024593
33 ms 66.85.132.25
32 2026-08-23 10:10 639230757720962293
296 ms 66.85.132.25
31 2026-08-23 09:53 639230747722189784
3 ms 66.85.132.25
30 2026-08-23 09:01 639230716313923480
2008 ms 66.85.132.25
29 2026-08-23 08:45 639230706813835990
3 ms 66.85.132.25
28 2026-08-23 08:29 639230696871062203
20 ms 66.85.132.25
27 2026-08-23 08:12 639230687142781616
271 ms 66.85.132.25
26 2026-08-23 07:56 639230677432142227
16 ms 66.85.132.25
25 2026-08-23 07:40 639230667686258061
302 ms 66.85.132.25
24 2026-08-23 07:24 639230658039243685
4 ms 66.85.132.25
23 2026-08-23 07:08 639230648468473803
4 ms 66.85.132.25
22 2026-08-23 06:52 639230638829658294
2009 ms 66.85.132.25
21 2026-08-23 06:36 639230629247017617
297 ms 66.85.132.25
20 2026-08-23 06:19 639230619625318239
3 ms 66.85.132.25
19 2026-08-23 06:03 639230609697630264
300 ms 66.85.132.25
18 2026-08-23 05:11 639230578570131864
10 ms 66.85.132.25
17 2026-08-23 04:55 639230568958963168
3 ms 66.85.132.25
16 2026-08-23 04:39 639230559287611211
5 ms 66.85.132.25
15 2026-08-23 04:23 639230549524312030
302 ms 66.85.132.25
14 2026-08-23 04:07 639230539739801669
2 ms 66.85.132.25
13 2026-08-23 03:50 639230530084069375
2178 ms 66.85.132.25
12 2026-08-23 03:34 639230520362691441
4 ms 66.85.132.25
11 2026-08-23 03:18 639230510677194518
315 ms 66.85.132.25
10 2026-08-23 03:02 639230501156002646
3 ms 66.85.132.25
9 2026-08-23 02:46 639230491502198541
3 ms 66.85.132.25
8 2026-08-23 02:30 639230481860318494
331 ms 66.85.132.25
7 2026-08-23 02:14 639230471893008575
333 ms 66.85.132.25
6 2026-08-23 01:20 639230440030877421
2007 ms 66.85.132.25
5 2026-08-23 01:04 639230430479725508
3 ms 66.85.132.25
4 2026-08-23 00:48 639230420875160219
2 ms 66.85.132.25
3 2026-08-23 00:32 639230411240692575
3 ms 66.85.132.25
2 2026-08-23 00:16 639230401550806607
306 ms 66.85.132.25
1 2026-08-23 00:00 639230391807229016
3 ms 66.85.132.25