DNS response history for ns.firstclass.com

ns.firstclass.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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 319 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 ns.firstclass.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

319 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.211.178.224

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns.firstclass.com

Showing DNS history for 2026-08-17 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
72 2026-08-17 23:56 639226072268080268
105 ms 205.211.178.224
71 2026-08-17 23:40 639226062577647657
103 ms 205.211.178.224
70 2026-08-17 22:48 639226031060857136
207 ms 205.211.178.224
69 2026-08-17 22:32 639226021535117364
223 ms 205.211.178.224
68 2026-08-17 22:16 639226011884237078
2141 ms 205.211.178.224
67 2026-08-17 22:00 639226002309299142
2007 ms 205.211.178.224
66 2026-08-17 21:44 639225992791784448
208 ms 205.211.178.224
65 2026-08-17 21:28 639225983045271390
205 ms 205.211.178.224
64 2026-08-17 21:11 639225973246293513
208 ms 205.211.178.224
63 2026-08-17 20:55 639225963620186236
4 ms 205.211.178.224
62 2026-08-17 20:39 639225953899183916
209 ms 205.211.178.224
61 2026-08-17 20:23 639225944391528206
-
60 2026-08-17 20:07 639225934593254169
216 ms 205.211.178.224
59 2026-08-17 19:50 639225924669984512
119 ms 205.211.178.224
58 2026-08-17 18:57 639225893048561320
5 ms 205.211.178.224
57 2026-08-17 18:41 639225883481298424
107 ms 205.211.178.224
56 2026-08-17 18:25 639225873845394034
209 ms 205.211.178.224
55 2026-08-17 18:09 639225864216078662
207 ms 205.211.178.224
54 2026-08-17 17:53 639225854541857773
206 ms 205.211.178.224
53 2026-08-17 17:37 639225844733604072
205 ms 205.211.178.224
52 2026-08-17 17:21 639225835085229232
207 ms 205.211.178.224
51 2026-08-17 17:05 639225825349373981
225 ms 205.211.178.224
50 2026-08-17 16:48 639225815690604161
219 ms 205.211.178.224
49 2026-08-17 16:32 639225805952472306
22 ms 205.211.178.224
48 2026-08-17 16:16 639225796264729638
216 ms 205.211.178.224
47 2026-08-17 16:00 639225786326499329
208 ms 205.211.178.224
46 2026-08-17 15:07 639225754798130711
208 ms 205.211.178.224
45 2026-08-17 14:51 639225745123193922
210 ms 205.211.178.224
44 2026-08-17 14:35 639225735540597271
2117 ms 205.211.178.224
43 2026-08-17 14:19 639225725894857396
213 ms 205.211.178.224
42 2026-08-17 14:03 639225716249606913
31 ms 205.211.178.224
41 2026-08-17 13:47 639225706638238179
220 ms 205.211.178.224
40 2026-08-17 13:31 639225696949691423
2031 ms 205.211.178.224
39 2026-08-17 13:15 639225687286186336
105 ms 205.211.178.224
38 2026-08-17 12:58 639225677679573133
218 ms 205.211.178.224
37 2026-08-17 12:42 639225667957861024
208 ms 205.211.178.224
36 2026-08-17 12:26 639225658298791618
114 ms 205.211.178.224
35 2026-08-17 12:10 639225648583652785
208 ms 205.211.178.224
34 2026-08-17 11:17 639225617000524308
110 ms 205.211.178.224
33 2026-08-17 11:02 639225607668541600
102 ms 205.211.178.224
32 2026-08-17 10:46 639225598117279238
3 ms 205.211.178.224
31 2026-08-17 10:30 639225588751002710
205 ms 205.211.178.224
30 2026-08-17 10:14 639225579295831051
5 ms 205.211.178.224
29 2026-08-17 09:59 639225569761469940
208 ms 205.211.178.224
28 2026-08-17 09:42 639225560161422333
216 ms 205.211.178.224
27 2026-08-17 09:27 639225550739955565
122 ms 205.211.178.224
26 2026-08-17 09:11 639225541125222426
214 ms 205.211.178.224
25 2026-08-17 08:55 639225531526675983
2031 ms 205.211.178.224
24 2026-08-17 08:39 639225521915528222
206 ms 205.211.178.224
23 2026-08-17 08:22 639225512148151789
208 ms 205.211.178.224
22 2026-08-17 07:30 639225480786142412
166 ms 205.211.178.224
21 2026-08-17 07:15 639225471394348551
4 ms 205.211.178.224
20 2026-08-17 06:59 639225462031685068
5 ms 205.211.178.224
19 2026-08-17 06:43 639225452639458328
221 ms 205.211.178.224
18 2026-08-17 06:27 639225443300966543
2139 ms 205.211.178.224
17 2026-08-17 06:12 639225433880499379
205 ms 205.211.178.224
16 2026-08-17 05:56 639225424395198277
225 ms 205.211.178.224
15 2026-08-17 05:40 639225414744137487
208 ms 205.211.178.224
14 2026-08-17 05:24 639225405186783164
4 ms 205.211.178.224
13 2026-08-17 05:08 639225395563669822
104 ms 205.211.178.224
12 2026-08-17 04:52 639225386076645158
109 ms 205.211.178.224
11 2026-08-17 04:37 639225376620669704
222 ms 205.211.178.224
10 2026-08-17 03:45 639225345580892706
203 ms 205.211.178.224
9 2026-08-17 03:29 639225336207383710
206 ms 205.211.178.224
8 2026-08-17 03:13 639225326726565001
3 ms 205.211.178.224
7 2026-08-17 02:58 639225317249271010
208 ms 205.211.178.224
6 2026-08-17 02:06 639225286280886044
32 ms 205.211.178.224
5 2026-08-17 01:50 639225276872567548
210 ms 205.211.178.224
4 2026-08-17 01:34 639225267353865348
207 ms 205.211.178.224
3 2026-08-17 01:19 639225258033914248
7 ms 205.211.178.224
2 2026-08-17 00:27 639225226652221583
207 ms 205.211.178.224
1 2026-08-17 00:11 639225217156387684
226 ms 205.211.178.224