DNS response history for ns1.firstclassleaks.com

ns1.firstclassleaks.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 2026-08-13. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 417 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.firstclassleaks.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

417 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

129.121.74.208

Most recently resolved hosting IP on selected date

Successful Responses

71

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.firstclassleaks.com

Showing DNS history for 2026-08-13 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
71 2026-08-13 23:44 639222608688333012
4 ms 129.121.74.208
70 2026-08-13 23:27 639222598741756356
3 ms 129.121.74.208
69 2026-08-13 23:11 639222588615244093
99 ms 129.121.74.208
68 2026-08-13 22:16 639222556495289724
212 ms 129.121.74.208
67 2026-08-13 22:00 639222546477917698
4 ms 129.121.74.208
66 2026-08-13 21:43 639222536257653790
107 ms 129.121.74.208
65 2026-08-13 21:26 639222525833084485
161 ms 129.121.74.208
64 2026-08-13 21:08 639222515446085004
4103 ms 129.121.74.208
63 2026-08-13 20:51 639222505166766781
212 ms 129.121.74.208
62 2026-08-13 20:34 639222494930541001
4 ms 129.121.74.208
61 2026-08-13 20:17 639222484469216890
5 ms 129.121.74.208
60 2026-08-13 19:59 639222474270039940
2031 ms 129.121.74.208
59 2026-08-13 19:42 639222464005587385
212 ms 129.121.74.208
58 2026-08-13 19:25 639222453485975041
13 ms 129.121.74.208
57 2026-08-13 19:07 639222442984828770
213 ms 129.121.74.208
56 2026-08-13 18:13 639222410191353397
4 ms 129.121.74.208
55 2026-08-13 17:56 639222399952628376
211 ms 129.121.74.208
54 2026-08-13 17:39 639222389608608647
107 ms 129.121.74.208
53 2026-08-13 17:22 639222379604012481
2148 ms 129.121.74.208
52 2026-08-13 17:05 639222369372672858
217 ms 129.121.74.208
51 2026-08-13 16:48 639222359096909298
216 ms 129.121.74.208
50 2026-08-13 16:30 639222348814301655
123 ms 129.121.74.208
49 2026-08-13 16:13 639222338608331104
232 ms 129.121.74.208
48 2026-08-13 15:56 639222328204609760
112 ms 129.121.74.208
47 2026-08-13 15:39 639222317859759909
122 ms 129.121.74.208
46 2026-08-13 15:22 639222307560137918
215 ms 129.121.74.208
45 2026-08-13 15:04 639222297274357149
5 ms 129.121.74.208
44 2026-08-13 14:12 639222265004477827
104 ms 129.121.74.208
43 2026-08-13 13:55 639222255176583683
217 ms 129.121.74.208
42 2026-08-13 13:39 639222245340146131
6 ms 129.121.74.208
41 2026-08-13 13:22 639222235662219956
220 ms 129.121.74.208
40 2026-08-13 13:06 639222225817223284
210 ms 129.121.74.208
39 2026-08-13 12:50 639222216341869648
4 ms 129.121.74.208
38 2026-08-13 12:34 639222206848442189
106 ms 129.121.74.208
37 2026-08-13 12:19 639222197538963225
111 ms 129.121.74.208
36 2026-08-13 12:03 639222188113685569
108 ms 129.121.74.208
35 2026-08-13 11:47 639222178880138458
213 ms 129.121.74.208
34 2026-08-13 11:32 639222169343013317
224 ms 129.121.74.208
33 2026-08-13 11:16 639222159910600596
211 ms 129.121.74.208
32 2026-08-13 10:24 639222128676274866
10 ms 129.121.74.208
31 2026-08-13 10:09 639222119169781983
199 ms 129.121.74.208
30 2026-08-13 09:53 639222109996148889
101 ms 129.121.74.208
29 2026-08-13 09:38 639222100791323799
210 ms 129.121.74.208
28 2026-08-13 09:23 639222091647893142
209 ms 129.121.74.208
27 2026-08-13 09:07 639222082524717649
210 ms 129.121.74.208
26 2026-08-13 08:52 639222073378630456
102 ms 129.121.74.208
25 2026-08-13 08:37 639222064537306701
4 ms 129.121.74.208
24 2026-08-13 08:22 639222055409471864
209 ms 129.121.74.208
23 2026-08-13 08:07 639222046117152411
10 ms 129.121.74.208
22 2026-08-13 07:51 639222036915107067
218 ms 129.121.74.208
21 2026-08-13 07:36 639222027654889141
5 ms 129.121.74.208
20 2026-08-13 06:44 639221996824612035
130 ms 129.121.74.208
19 2026-08-13 06:29 639221987863418113
2112 ms 129.121.74.208
18 2026-08-13 06:14 639221979006823112
244 ms 129.121.74.208
17 2026-08-13 05:59 639221970068466615
4249 ms 129.121.74.208
16 2026-08-13 05:44 639221961001585139
2176 ms 129.121.74.208
15 2026-08-13 05:29 639221952104046397
117 ms 129.121.74.208
14 2026-08-13 05:14 639221943247694484
119 ms 129.121.74.208
13 2026-08-13 05:00 639221934603388241
133 ms 129.121.74.208
12 2026-08-13 04:45 639221925729273358
237 ms 129.121.74.208
11 2026-08-13 04:30 639221916777813401
241 ms 129.121.74.208
10 2026-08-13 04:15 639221907816913910
151 ms 129.121.74.208
9 2026-08-13 04:00 639221898639694322
3 ms 129.121.74.208
8 2026-08-13 03:09 639221868257567489
237 ms 129.121.74.208
7 2026-08-13 02:54 639221859270235608
116 ms 129.121.74.208
6 2026-08-13 02:39 639221850184464515
238 ms 129.121.74.208
5 2026-08-13 02:24 639221841141973425
2114 ms 129.121.74.208
4 2026-08-13 01:33 639221810548753083
116 ms 129.121.74.208
3 2026-08-13 01:18 639221801656796262
239 ms 129.121.74.208
2 2026-08-13 01:03 639221792658715334
2116 ms 129.121.74.208
1 2026-08-13 00:48 639221783571379176
234 ms 129.121.74.208