DNS response history for ns1.mailcdn.net

ns1.mailcdn.net 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 2026-08-26. For this date, NameServerHistory found 56 DNS check records, 55 successful responses, 1 failed responses, and 247 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.mailcdn.net.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

247 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 18:29

All timestamps shown in UTC

Latest Resolved IP on Selected Date

66.187.70.254

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 ns1.mailcdn.net

Showing DNS history for 2026-08-26 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 2026-08-26 18:29 639233656814316266
21 ms 66.187.70.254
55 2026-08-26 18:11 639233646245051806
44 ms 66.187.70.254
54 2026-08-26 17:53 639233635663779051
43 ms 66.187.70.254
53 2026-08-26 17:35 639233624977342122
13 ms 66.187.70.254
52 2026-08-26 17:18 639233614446136153
14 ms 66.187.70.254
51 2026-08-26 17:00 639233603737877581
5 ms 66.187.70.254
50 2026-08-26 16:43 639233593269224651
24 ms 66.187.70.254
49 2026-08-26 16:25 639233582635086903
8 ms 66.187.70.254
48 2026-08-26 16:07 639233572000374575
27 ms 66.187.70.254
47 2026-08-26 15:49 639233561188633861
16 ms 66.187.70.254
46 2026-08-26 15:31 639233550544357027
15 ms 66.187.70.254
45 2026-08-26 14:37 639233517966053117
9 ms 66.187.70.254
44 2026-08-26 14:20 639233507603253585
11 ms 66.187.70.254
43 2026-08-26 14:03 639233497229039167
19 ms 66.187.70.254
42 2026-08-26 13:45 639233486864546406
33 ms 66.187.70.254
41 2026-08-26 13:28 639233476455174682
20 ms 66.187.70.254
40 2026-08-26 13:11 639233466171592605
14 ms 66.187.70.254
39 2026-08-26 12:54 639233455747096265
28 ms 66.187.70.254
38 2026-08-26 12:36 639233445367152284
17 ms 66.187.70.254
37 2026-08-26 12:19 639233434974187439
42 ms 66.187.70.254
36 2026-08-26 12:02 639233424567558554
67 ms 66.187.70.254
35 2026-08-26 11:44 639233414056832719
20 ms 66.187.70.254
34 2026-08-26 11:26 639233403515141099
4042 ms 66.187.70.254
33 2026-08-26 10:32 639233370841350248
15 ms 66.187.70.254
32 2026-08-26 10:15 639233360361507238
32 ms 66.187.70.254
31 2026-08-26 09:57 639233350067824371
2055 ms 66.187.70.254
30 2026-08-26 09:40 639233339545274518
11 ms 66.187.70.254
29 2026-08-26 09:23 639233329214918079
27 ms 66.187.70.254
28 2026-08-26 09:05 639233318749762337
19 ms 66.187.70.254
27 2026-08-26 08:48 639233308387917838
22 ms 66.187.70.254
26 2026-08-26 08:30 639233297961740122
17 ms 66.187.70.254
25 2026-08-26 08:13 639233287487159094
13 ms 66.187.70.254
24 2026-08-26 07:56 639233276995531707
40 ms 66.187.70.254
23 2026-08-26 07:38 639233266521568229
-
22 2026-08-26 07:21 639233256081047431
21 ms 66.187.70.254
21 2026-08-26 06:27 639233223620132921
57 ms 66.187.70.254
20 2026-08-26 06:09 639233213287814244
2024 ms 66.187.70.254
19 2026-08-26 05:52 639233202925983161
42 ms 66.187.70.254
18 2026-08-26 05:35 639233192644780696
60 ms 66.187.70.254
17 2026-08-26 05:18 639233182401183833
50 ms 66.187.70.254
16 2026-08-26 05:01 639233172074181051
30 ms 66.187.70.254
15 2026-08-26 04:44 639233161808421455
2063 ms 66.187.70.254
14 2026-08-26 04:26 639233151357344052
13 ms 66.187.70.254
13 2026-08-26 04:09 639233141034116946
36 ms 66.187.70.254
12 2026-08-26 03:52 639233130828334142
8 ms 66.187.70.254
11 2026-08-26 03:35 639233120373450007
36 ms 66.187.70.254
10 2026-08-26 03:17 639233110066216193
2015 ms 66.187.70.254
9 2026-08-26 02:24 639233078065410564
37 ms 66.187.70.254
8 2026-08-26 02:07 639233067787457832
21 ms 66.187.70.254
7 2026-08-26 01:50 639233057501801162
49 ms 66.187.70.254
6 2026-08-26 01:32 639233047089431703
22 ms 66.187.70.254
5 2026-08-26 01:15 639233036754790688
37 ms 66.187.70.254
4 2026-08-26 00:58 639233026412602472
67 ms 66.187.70.254
3 2026-08-26 00:41 639233016064066127
12 ms 66.187.70.254
2 2026-08-26 00:24 639233005922655772
30 ms 66.187.70.254
1 2026-08-26 00:07 639232995672256907
60 ms 66.187.70.254