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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 178 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

57

Historical checks stored for this nameserver on selected date

Average Latency

178 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:20

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

57

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 2026-08-20 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
57 2026-08-20 23:20 639228639850033448
5 ms 66.85.132.25
56 2026-08-20 23:04 639228630204271870
299 ms 66.85.132.25
55 2026-08-20 22:48 639228620295091135
293 ms 66.85.132.25
54 2026-08-20 22:31 639228610298336915
3 ms 66.85.132.25
53 2026-08-20 21:38 639228578917047616
220 ms 66.85.132.25
52 2026-08-20 21:22 639228569046445709
4 ms 66.85.132.25
51 2026-08-20 21:06 639228558946830986
292 ms 66.85.132.25
50 2026-08-20 20:49 639228548977359217
301 ms 66.85.132.25
49 2026-08-20 19:56 639228517494157668
301 ms 66.85.132.25
48 2026-08-20 19:40 639228507374116892
14 ms 66.85.132.25
47 2026-08-20 19:23 639228497315154893
291 ms 66.85.132.25
46 2026-08-20 19:06 639228487287648341
309 ms 66.85.132.25
45 2026-08-20 18:14 639228455828123788
177 ms 66.85.132.25
44 2026-08-20 17:57 639228445900082244
300 ms 66.85.132.25
43 2026-08-20 17:40 639228435866352323
309 ms 66.85.132.25
42 2026-08-20 17:23 639228425802273151
3 ms 66.85.132.25
41 2026-08-20 16:30 639228393616324230
3 ms 66.85.132.25
40 2026-08-20 16:13 639228383590408693
3 ms 66.85.132.25
39 2026-08-20 15:56 639228373471467474
314 ms 66.85.132.25
38 2026-08-20 15:40 639228363426647311
3 ms 66.85.132.25
37 2026-08-20 14:46 639228331681701910
301 ms 66.85.132.25
36 2026-08-20 14:30 639228321714746824
300 ms 66.85.132.25
35 2026-08-20 14:13 639228311652090262
3 ms 66.85.132.25
34 2026-08-20 13:56 639228301670088587
5 ms 66.85.132.25
33 2026-08-20 13:04 639228269987976710
7 ms 66.85.132.25
32 2026-08-20 12:47 639228260009452308
314 ms 66.85.132.25
31 2026-08-20 12:30 639228249661740894
299 ms 66.85.132.25
30 2026-08-20 12:13 639228239552680346
301 ms 66.85.132.25
29 2026-08-20 11:20 639228207667580819
6 ms 66.85.132.25
28 2026-08-20 11:03 639228197494011560
316 ms 66.85.132.25
27 2026-08-20 10:46 639228187497039939
301 ms 66.85.132.25
26 2026-08-20 10:30 639228177408432646
306 ms 66.85.132.25
25 2026-08-20 09:37 639228146356166262
297 ms 66.85.132.25
24 2026-08-20 09:21 639228136541505712
11 ms 66.85.132.25
23 2026-08-20 09:05 639228126519136598
292 ms 66.85.132.25
22 2026-08-20 08:48 639228116537148885
305 ms 66.85.132.25
21 2026-08-20 07:55 639228085320764351
294 ms 66.85.132.25
20 2026-08-20 07:40 639228075444604839
5 ms 66.85.132.25
19 2026-08-20 07:23 639228065615498985
4 ms 66.85.132.25
18 2026-08-20 07:07 639228055675321422
4 ms 66.85.132.25
17 2026-08-20 06:14 639228024230839396
295 ms 66.85.132.25
16 2026-08-20 05:58 639228014720406505
4 ms 66.85.132.25
15 2026-08-20 05:42 639228004930827030
298 ms 66.85.132.25
14 2026-08-20 05:25 639227995103340154
287 ms 66.85.132.25
13 2026-08-20 04:33 639227963811374894
312 ms 66.85.132.25
12 2026-08-20 04:17 639227954132571365
2 ms 66.85.132.25
11 2026-08-20 04:01 639227944541208342
335 ms 66.85.132.25
10 2026-08-20 03:45 639227934657213484
3 ms 66.85.132.25
9 2026-08-20 02:52 639227903628145469
4 ms 66.85.132.25
8 2026-08-20 02:37 639227893995483475
3 ms 66.85.132.25
7 2026-08-20 02:21 639227884280244209
3 ms 66.85.132.25
6 2026-08-20 02:04 639227874371147132
303 ms 66.85.132.25
5 2026-08-20 01:12 639227843224256432
2 ms 66.85.132.25
4 2026-08-20 00:56 639227833720403506
294 ms 66.85.132.25
3 2026-08-20 00:40 639227824170728278
294 ms 66.85.132.25
2 2026-08-20 00:25 639227814865867570
299 ms 66.85.132.25
1 2026-08-20 00:09 639227805445376839
292 ms 66.85.132.25