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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 197 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

74

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:53

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

74

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 2026-08-19 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
74 2026-08-19 23:53 639227795899225951
3 ms 66.85.132.25
73 2026-08-19 23:37 639227786351762008
2 ms 66.85.132.25
72 2026-08-19 23:21 639227776640591733
5 ms 66.85.132.25
71 2026-08-19 23:05 639227767128841282
36 ms 66.85.132.25
70 2026-08-19 22:49 639227757477304711
169 ms 66.85.132.25
69 2026-08-19 22:33 639227747572098014
4 ms 66.85.132.25
68 2026-08-19 22:16 639227737588613113
301 ms 66.85.132.25
67 2026-08-19 21:24 639227706134603955
2 ms 66.85.132.25
66 2026-08-19 21:08 639227696589027396
2 ms 66.85.132.25
65 2026-08-19 20:52 639227687097707639
2 ms 66.85.132.25
64 2026-08-19 20:36 639227677474464487
296 ms 66.85.132.25
63 2026-08-19 20:20 639227667767441118
296 ms 66.85.132.25
62 2026-08-19 20:04 639227657984833832
3 ms 66.85.132.25
61 2026-08-19 19:47 639227648079992640
5 ms 66.85.132.25
60 2026-08-19 19:31 639227638125048441
5 ms 66.85.132.25
59 2026-08-19 19:14 639227628211392142
293 ms 66.85.132.25
58 2026-08-19 18:58 639227618261696275
292 ms 66.85.132.25
57 2026-08-19 18:41 639227608366233645
299 ms 66.85.132.25
56 2026-08-19 18:24 639227598301787588
6 ms 66.85.132.25
55 2026-08-19 17:31 639227566241010716
4 ms 66.85.132.25
54 2026-08-19 17:14 639227556454538959
302 ms 66.85.132.25
53 2026-08-19 16:58 639227546640305542
318 ms 66.85.132.25
52 2026-08-19 16:42 639227536965466472
303 ms 66.85.132.25
51 2026-08-19 16:25 639227527048658280
3 ms 66.85.132.25
50 2026-08-19 16:09 639227517386634438
5 ms 66.85.132.25
49 2026-08-19 15:53 639227507459551637
292 ms 66.85.132.25
48 2026-08-19 15:36 639227497515595277
304 ms 66.85.132.25
47 2026-08-19 15:20 639227487441798036
318 ms 66.85.132.25
46 2026-08-19 15:03 639227477445551863
295 ms 66.85.132.25
45 2026-08-19 14:46 639227467297067891
306 ms 66.85.132.25
44 2026-08-19 14:29 639227457057795635
268 ms 66.85.132.25
43 2026-08-19 13:36 639227425244777397
295 ms 66.85.132.25
42 2026-08-19 13:19 639227415422116485
297 ms 66.85.132.25
41 2026-08-19 13:03 639227405307256053
313 ms 66.85.132.25
40 2026-08-19 12:46 639227395396602630
164 ms 66.85.132.25
39 2026-08-19 12:29 639227385510363611
4 ms 66.85.132.25
38 2026-08-19 12:13 639227375508324850
300 ms 66.85.132.25
37 2026-08-19 11:56 639227365326611906
299 ms 66.85.132.25
36 2026-08-19 11:39 639227355360014208
303 ms 66.85.132.25
35 2026-08-19 11:23 639227345036782165
20 ms 66.85.132.25
34 2026-08-19 11:05 639227334992964533
304 ms 66.85.132.25
33 2026-08-19 10:49 639227324986605572
319 ms 66.85.132.25
32 2026-08-19 10:32 639227314928414539
5 ms 66.85.132.25
31 2026-08-19 09:39 639227283029182134
294 ms 66.85.132.25
30 2026-08-19 09:22 639227273294779350
294 ms 66.85.132.25
29 2026-08-19 09:06 639227263525231313
5 ms 66.85.132.25
28 2026-08-19 08:50 639227253578313363
311 ms 66.85.132.25
27 2026-08-19 08:33 639227243649973322
311 ms 66.85.132.25
26 2026-08-19 08:17 639227233581059317
296 ms 66.85.132.25
25 2026-08-19 08:00 639227223667352067
3 ms 66.85.132.25
24 2026-08-19 07:43 639227213714837066
300 ms 66.85.132.25
23 2026-08-19 07:27 639227203701208496
298 ms 66.85.132.25
22 2026-08-19 07:10 639227193643202179
310 ms 66.85.132.25
21 2026-08-19 06:53 639227183584431597
295 ms 66.85.132.25
20 2026-08-19 06:36 639227173347403088
306 ms 66.85.132.25
19 2026-08-19 05:43 639227141523007601
32 ms 66.85.132.25
18 2026-08-19 05:27 639227131785931574
3 ms 66.85.132.25
17 2026-08-19 05:10 639227122176475389
304 ms 66.85.132.25
16 2026-08-19 04:54 639227112668934596
298 ms 66.85.132.25
15 2026-08-19 04:38 639227102773292788
295 ms 66.85.132.25
14 2026-08-19 04:22 639227093141136930
292 ms 66.85.132.25
13 2026-08-19 04:06 639227083449420147
309 ms 66.85.132.25
12 2026-08-19 03:50 639227073771748493
297 ms 66.85.132.25
11 2026-08-19 03:34 639227063977347614
300 ms 66.85.132.25
10 2026-08-19 03:17 639227054253519024
292 ms 66.85.132.25
9 2026-08-19 03:01 639227044381963886
214 ms 66.85.132.25
8 2026-08-19 02:44 639227034441085514
298 ms 66.85.132.25
7 2026-08-19 01:52 639227003126489968
309 ms 66.85.132.25
6 2026-08-19 01:36 639226993456311614
6 ms 66.85.132.25
5 2026-08-19 01:20 639226983847312345
165 ms 66.85.132.25
4 2026-08-19 01:04 639226974357874853
162 ms 66.85.132.25
3 2026-08-19 00:48 639226964670484721
3 ms 66.85.132.25
2 2026-08-19 00:32 639226954857899696
301 ms 66.85.132.25
1 2026-08-19 00:15 639226945091603488
293 ms 66.85.132.25