DNS response history for mx.notletters.com

mx.notletters.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 56 DNS check records, 55 successful responses, 1 failed responses, and 189 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 mx.notletters.com.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

189 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:09

All timestamps shown in UTC

Latest Resolved IP on Selected Date

159.195.37.180

Most recently resolved hosting IP on selected date

Successful Responses

55

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for mx.notletters.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
56 2026-08-20 23:09 639228639850033448
13 ms 159.195.37.180
55 2026-08-20 22:53 639228630204271870
2020 ms 159.195.37.180
54 2026-08-20 22:36 639228620295091135
30 ms 159.195.37.180
53 2026-08-20 22:19 639228610298336915
25 ms 159.195.37.180
52 2026-08-20 21:27 639228578917047616
13 ms 159.195.37.180
51 2026-08-20 21:11 639228569046445709
78 ms 159.195.37.180
50 2026-08-20 20:54 639228558946830986
100 ms 159.195.37.180
49 2026-08-20 20:37 639228548977359217
26 ms 159.195.37.180
48 2026-08-20 19:45 639228517494157668
55 ms 159.195.37.180
47 2026-08-20 19:28 639228507374116892
55 ms 159.195.37.180
46 2026-08-20 19:11 639228497315154893
23 ms 159.195.37.180
45 2026-08-20 18:54 639228487287648341
35 ms 159.195.37.180
44 2026-08-20 18:02 639228455828123788
34 ms 159.195.37.180
43 2026-08-20 17:46 639228445900082244
8 ms 159.195.37.180
42 2026-08-20 17:29 639228435866352323
7 ms 159.195.37.180
41 2026-08-20 17:12 639228425802273151
30 ms 159.195.37.180
40 2026-08-20 16:18 639228393616324230
-
39 2026-08-20 16:02 639228383590408693
7 ms 159.195.37.180
38 2026-08-20 15:45 639228373471467474
2121 ms 159.195.37.180
37 2026-08-20 15:28 639228363426647311
2076 ms 159.195.37.180
36 2026-08-20 14:35 639228331681701910
67 ms 159.195.37.180
35 2026-08-20 14:18 639228321714746824
26 ms 159.195.37.180
34 2026-08-20 14:02 639228311652090262
95 ms 159.195.37.180
33 2026-08-20 13:45 639228301670088587
38 ms 159.195.37.180
32 2026-08-20 12:52 639228269987976710
13 ms 159.195.37.180
31 2026-08-20 12:36 639228260009452308
54 ms 159.195.37.180
30 2026-08-20 12:18 639228249661740894
45 ms 159.195.37.180
29 2026-08-20 12:02 639228239552680346
26 ms 159.195.37.180
28 2026-08-20 11:08 639228207667580819
125 ms 159.195.37.180
27 2026-08-20 10:51 639228197494011560
102 ms 159.195.37.180
26 2026-08-20 10:35 639228187497039939
83 ms 159.195.37.180
25 2026-08-20 10:18 639228177408432646
47 ms 159.195.37.180
24 2026-08-20 09:26 639228146356166262
43 ms 159.195.37.180
23 2026-08-20 09:10 639228136541505712
53 ms 159.195.37.180
22 2026-08-20 08:53 639228126519136598
35 ms 159.195.37.180
21 2026-08-20 08:37 639228116537148885
43 ms 159.195.37.180
20 2026-08-20 07:44 639228085320764351
25 ms 159.195.37.180
19 2026-08-20 07:28 639228075444604839
19 ms 159.195.37.180
18 2026-08-20 07:12 639228065615498985
18 ms 159.195.37.180
17 2026-08-20 06:55 639228055675321422
53 ms 159.195.37.180
16 2026-08-20 06:03 639228024230839396
49 ms 159.195.37.180
15 2026-08-20 05:47 639228014720406505
30 ms 159.195.37.180
14 2026-08-20 05:31 639228004930827030
95 ms 159.195.37.180
13 2026-08-20 05:14 639227995103340154
8 ms 159.195.37.180
12 2026-08-20 04:22 639227963811374894
22 ms 159.195.37.180
11 2026-08-20 04:06 639227954132571365
27 ms 159.195.37.180
10 2026-08-20 03:50 639227944541208342
41 ms 159.195.37.180
9 2026-08-20 03:33 639227934657213484
2031 ms 159.195.37.180
8 2026-08-20 02:42 639227903628145469
37 ms 159.195.37.180
7 2026-08-20 02:26 639227893995483475
37 ms 159.195.37.180
6 2026-08-20 02:09 639227884280244209
6 ms 159.195.37.180
5 2026-08-20 01:53 639227874371147132
37 ms 159.195.37.180
4 2026-08-20 01:01 639227843224256432
58 ms 159.195.37.180
3 2026-08-20 00:45 639227833720403506
25 ms 159.195.37.180
2 2026-08-20 00:29 639227824170728278
31 ms 159.195.37.180
1 2026-08-20 00:14 639227814865867570
80 ms 159.195.37.180