DNS response history for ns1.firstcommand.com

ns1.firstcommand.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 143 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.firstcommand.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

143 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:17

All timestamps shown in UTC

Latest Resolved IP on Selected Date

209.12.237.166

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.firstcommand.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 23:17 639228639850033448
30 ms 209.12.237.166
56 2026-08-20 23:01 639228630204271870
266 ms 209.12.237.166
55 2026-08-20 22:45 639228620295091135
254 ms 209.12.237.166
54 2026-08-20 22:28 639228610298336915
271 ms 209.12.237.166
53 2026-08-20 21:36 639228578917047616
39 ms 209.12.237.166
52 2026-08-20 21:19 639228569046445709
168 ms 209.12.237.166
51 2026-08-20 21:03 639228558946830986
3 ms 209.12.237.166
50 2026-08-20 20:46 639228548977359217
282 ms 209.12.237.166
49 2026-08-20 19:54 639228517494157668
30 ms 209.12.237.166
48 2026-08-20 19:37 639228507374116892
325 ms 209.12.237.166
47 2026-08-20 19:20 639228497315154893
263 ms 209.12.237.166
46 2026-08-20 19:03 639228487287648341
246 ms 209.12.237.166
45 2026-08-20 18:11 639228455828123788
14 ms 209.12.237.166
44 2026-08-20 17:54 639228445900082244
248 ms 209.12.237.166
43 2026-08-20 17:37 639228435866352323
6 ms 209.12.237.166
42 2026-08-20 17:21 639228425802273151
162 ms 209.12.237.166
41 2026-08-20 16:27 639228393616324230
33 ms 209.12.237.166
40 2026-08-20 16:10 639228383590408693
5 ms 209.12.237.166
39 2026-08-20 15:53 639228373471467474
170 ms 209.12.237.166
38 2026-08-20 15:37 639228363426647311
249 ms 209.12.237.166
37 2026-08-20 14:44 639228331681701910
269 ms 209.12.237.166
36 2026-08-20 14:27 639228321714746824
154 ms 209.12.237.166
35 2026-08-20 14:10 639228311652090262
24 ms 209.12.237.166
34 2026-08-20 13:54 639228301670088587
258 ms 209.12.237.166
33 2026-08-20 13:01 639228269987976710
7 ms 209.12.237.166
32 2026-08-20 12:44 639228260009452308
4 ms 209.12.237.166
31 2026-08-20 12:27 639228249661740894
246 ms 209.12.237.166
30 2026-08-20 12:10 639228239552680346
258 ms 209.12.237.166
29 2026-08-20 11:17 639228207667580819
5 ms 209.12.237.166
28 2026-08-20 11:00 639228197494011560
271 ms 209.12.237.166
27 2026-08-20 10:43 639228187497039939
3 ms 209.12.237.166
26 2026-08-20 10:27 639228177408432646
262 ms 209.12.237.166
25 2026-08-20 09:35 639228146356166262
6 ms 209.12.237.166
24 2026-08-20 09:18 639228136541505712
257 ms 209.12.237.166
23 2026-08-20 09:02 639228126519136598
4 ms 209.12.237.166
22 2026-08-20 08:45 639228116537148885
247 ms 209.12.237.166
21 2026-08-20 07:53 639228085320764351
5 ms 209.12.237.166
20 2026-08-20 07:37 639228075444604839
33 ms 209.12.237.166
19 2026-08-20 07:20 639228065615498985
285 ms 209.12.237.166
18 2026-08-20 07:04 639228055675321422
293 ms 209.12.237.166
17 2026-08-20 06:11 639228024230839396
21 ms 209.12.237.166
16 2026-08-20 05:55 639228014720406505
276 ms 209.12.237.166
15 2026-08-20 05:39 639228004930827030
268 ms 209.12.237.166
14 2026-08-20 05:22 639227995103340154
252 ms 209.12.237.166
13 2026-08-20 04:31 639227963811374894
43 ms 209.12.237.166
12 2026-08-20 04:15 639227954132571365
36 ms 209.12.237.166
11 2026-08-20 03:58 639227944541208342
4 ms 209.12.237.166
10 2026-08-20 03:42 639227934657213484
262 ms 209.12.237.166
9 2026-08-20 02:50 639227903628145469
6 ms 209.12.237.166
8 2026-08-20 02:34 639227893995483475
29 ms 209.12.237.166
7 2026-08-20 02:18 639227884280244209
2 ms 209.12.237.166
6 2026-08-20 02:01 639227874371147132
257 ms 209.12.237.166
5 2026-08-20 01:09 639227843224256432
11 ms 209.12.237.166
4 2026-08-20 00:54 639227833720403506
259 ms 209.12.237.166
3 2026-08-20 00:38 639227824170728278
162 ms 209.12.237.166
2 2026-08-20 00:22 639227814865867570
25 ms 209.12.237.166
1 2026-08-20 00:06 639227805445376839
281 ms 209.12.237.166