DNS response history for ns1.letterhistory.com

ns1.letterhistory.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 2026-08-23. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 291 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.letterhistory.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

291 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:16

All timestamps shown in UTC

Latest Resolved IP on Selected Date

136.144.238.101

Most recently resolved hosting IP on selected date

Successful Responses

72

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 ns1.letterhistory.com

Showing DNS history for 2026-08-23 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
73 2026-08-23 23:16 639231234893504693
38 ms 136.144.238.101
72 2026-08-23 22:59 639231225024549139
64 ms 136.144.238.101
71 2026-08-23 22:42 639231214931957622
141 ms 136.144.238.101
70 2026-08-23 22:26 639231204962010549
58 ms 136.144.238.101
69 2026-08-23 22:09 639231195170138463
2021 ms 136.144.238.101
68 2026-08-23 21:53 639231185235020577
6 ms 136.144.238.101
67 2026-08-23 21:37 639231175558690075
2027 ms 136.144.238.101
66 2026-08-23 21:20 639231165610444012
88 ms 136.144.238.101
65 2026-08-23 20:27 639231133806425363
8 ms 136.144.238.101
64 2026-08-23 20:11 639231124203758023
32 ms 136.144.238.101
63 2026-08-23 19:55 639231114428262706
2049 ms 136.144.238.101
62 2026-08-23 19:38 639231104662480065
38 ms 136.144.238.101
61 2026-08-23 19:22 639231094840372018
48 ms 136.144.238.101
60 2026-08-23 19:06 639231085024583224
44 ms 136.144.238.101
59 2026-08-23 18:49 639231075257417427
32 ms 136.144.238.101
58 2026-08-23 18:33 639231065516009503
42 ms 136.144.238.101
57 2026-08-23 18:17 639231055805348837
32 ms 136.144.238.101
56 2026-08-23 18:01 639231045980373765
71 ms 136.144.238.101
55 2026-08-23 17:44 639231035984577527
48 ms 136.144.238.101
54 2026-08-23 17:27 639231025928115303
21 ms 136.144.238.101
53 2026-08-23 16:34 639230994250157583
30 ms 136.144.238.101
52 2026-08-23 16:18 639230984476411369
39 ms 136.144.238.101
51 2026-08-23 16:02 639230974838373450
53 ms 136.144.238.101
50 2026-08-23 15:46 639230965244277645
47 ms 136.144.238.101
49 2026-08-23 15:30 639230955522101820
17 ms 136.144.238.101
48 2026-08-23 15:14 639230945754521603
49 ms 136.144.238.101
47 2026-08-23 14:57 639230935852040504
2039 ms 136.144.238.101
46 2026-08-23 14:41 639230926222061048
29 ms 136.144.238.101
45 2026-08-23 14:25 639230916449726907
53 ms 136.144.238.101
44 2026-08-23 14:08 639230906595053086
2018 ms 136.144.238.101
43 2026-08-23 13:52 639230896680429441
7 ms 136.144.238.101
42 2026-08-23 13:35 639230886630210965
4 ms 136.144.238.101
41 2026-08-23 12:43 639230855430405719
2017 ms 136.144.238.101
40 2026-08-23 12:27 639230845707499136
87 ms 136.144.238.101
39 2026-08-23 12:11 639230836186805419
34 ms 136.144.238.101
38 2026-08-23 11:55 639230826493828316
39 ms 136.144.238.101
37 2026-08-23 11:39 639230816817882996
45 ms 136.144.238.101
36 2026-08-23 11:22 639230806933854189
53 ms 136.144.238.101
35 2026-08-23 11:06 639230797120243854
17 ms 136.144.238.101
34 2026-08-23 10:50 639230787310272840
55 ms 136.144.238.101
33 2026-08-23 10:33 639230777600173142
44 ms 136.144.238.101
32 2026-08-23 10:17 639230767665024593
118 ms 136.144.238.101
31 2026-08-23 10:00 639230757720962293
50 ms 136.144.238.101
30 2026-08-23 09:44 639230747722189784
35 ms 136.144.238.101
29 2026-08-23 08:51 639230716313923480
56 ms 136.144.238.101
28 2026-08-23 08:35 639230706813835990
56 ms 136.144.238.101
27 2026-08-23 08:19 639230696871062203
51 ms 136.144.238.101
26 2026-08-23 08:03 639230687142781616
74 ms 136.144.238.101
25 2026-08-23 07:46 639230677432142227
28 ms 136.144.238.101
24 2026-08-23 07:30 639230667686258061
77 ms 136.144.238.101
23 2026-08-23 07:14 639230658039243685
12 ms 136.144.238.101
22 2026-08-23 06:58 639230648468473803
2012 ms 136.144.238.101
21 2026-08-23 06:42 639230638829658294
38 ms 136.144.238.101
20 2026-08-23 06:26 639230629247017617
45 ms 136.144.238.101
19 2026-08-23 06:10 639230619625318239
36 ms 136.144.238.101
18 2026-08-23 05:53 639230609697630264
52 ms 136.144.238.101
17 2026-08-23 05:02 639230578570131864
53 ms 136.144.238.101
16 2026-08-23 04:46 639230568958963168
38 ms 136.144.238.101
15 2026-08-23 04:30 639230559287611211
10 ms 136.144.238.101
14 2026-08-23 04:13 639230549524312030
-
13 2026-08-23 03:57 639230539739801669
92 ms 136.144.238.101
12 2026-08-23 03:41 639230530084069375
29 ms 136.144.238.101
11 2026-08-23 03:25 639230520362691441
2059 ms 136.144.238.101
10 2026-08-23 03:08 639230510677194518
39 ms 136.144.238.101
9 2026-08-23 02:53 639230501156002646
44 ms 136.144.238.101
8 2026-08-23 02:36 639230491502198541
3 ms 136.144.238.101
7 2026-08-23 02:20 639230481860318494
18 ms 136.144.238.101
6 2026-08-23 02:04 639230471893008575
32 ms 136.144.238.101
5 2026-08-23 01:11 639230440030877421
6 ms 136.144.238.101
4 2026-08-23 00:55 639230430479725508
4 ms 136.144.238.101
3 2026-08-23 00:39 639230420875160219
31 ms 136.144.238.101
2 2026-08-23 00:23 639230411240692575
22 ms 136.144.238.101
1 2026-08-23 00:07 639230401550806607
2056 ms 136.144.238.101