DNS response history for ns1.mozilla.org

ns1.mozilla.org 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 75 DNS check records, 75 successful responses, 0 failed responses, and 320 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.mozilla.org.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

320 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

63.245.215.5

Most recently resolved hosting IP on selected date

Successful Responses

75

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.mozilla.org

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
75 2026-08-23 23:47 639231254406598736
8 ms 63.245.215.5
74 2026-08-23 23:31 639231244697865594
34 ms 63.245.215.5
73 2026-08-23 23:15 639231234893504693
2032 ms 63.245.215.5
72 2026-08-23 22:58 639231225024549139
4 ms 63.245.215.5
71 2026-08-23 22:42 639231214931957622
12 ms 63.245.215.5
70 2026-08-23 22:25 639231204962010549
18 ms 63.245.215.5
69 2026-08-23 22:08 639231195170138463
2069 ms 63.245.215.5
68 2026-08-23 21:52 639231185235020577
19 ms 63.245.215.5
67 2026-08-23 21:36 639231175558690075
10 ms 63.245.215.5
66 2026-08-23 21:19 639231165610444012
48 ms 63.245.215.5
65 2026-08-23 20:26 639231133806425363
7 ms 63.245.215.5
64 2026-08-23 20:10 639231124203758023
14 ms 63.245.215.5
63 2026-08-23 19:54 639231114428262706
12 ms 63.245.215.5
62 2026-08-23 19:38 639231104662480065
4013 ms 63.245.215.5
61 2026-08-23 19:21 639231094840372018
8 ms 63.245.215.5
60 2026-08-23 19:05 639231085024583224
8 ms 63.245.215.5
59 2026-08-23 18:49 639231075257417427
45 ms 63.245.215.5
58 2026-08-23 18:32 639231065516009503
112 ms 63.245.215.5
57 2026-08-23 18:16 639231055805348837
9 ms 63.245.215.5
56 2026-08-23 18:00 639231045980373765
2058 ms 63.245.215.5
55 2026-08-23 17:43 639231035984577527
9 ms 63.245.215.5
54 2026-08-23 17:26 639231025928115303
30 ms 63.245.215.5
53 2026-08-23 16:34 639230994250157583
4 ms 63.245.215.5
52 2026-08-23 16:17 639230984476411369
36 ms 63.245.215.5
51 2026-08-23 16:01 639230974838373450
2066 ms 63.245.215.5
50 2026-08-23 15:45 639230965244277645
57 ms 63.245.215.5
49 2026-08-23 15:29 639230955522101820
19 ms 63.245.215.5
48 2026-08-23 15:13 639230945754521603
2037 ms 63.245.215.5
47 2026-08-23 14:56 639230935852040504
6 ms 63.245.215.5
46 2026-08-23 14:40 639230926222061048
5 ms 63.245.215.5
45 2026-08-23 14:24 639230916449726907
10 ms 63.245.215.5
44 2026-08-23 14:08 639230906595053086
101 ms 63.245.215.5
43 2026-08-23 13:51 639230896680429441
29 ms 63.245.215.5
42 2026-08-23 13:34 639230886630210965
21 ms 63.245.215.5
41 2026-08-23 12:42 639230855430405719
13 ms 63.245.215.5
40 2026-08-23 12:26 639230845707499136
69 ms 63.245.215.5
39 2026-08-23 12:10 639230836186805419
11 ms 63.245.215.5
38 2026-08-23 11:54 639230826493828316
4 ms 63.245.215.5
37 2026-08-23 11:38 639230816817882996
11 ms 63.245.215.5
36 2026-08-23 11:21 639230806933854189
282 ms 63.245.215.5
35 2026-08-23 11:05 639230797120243854
59 ms 63.245.215.5
34 2026-08-23 10:49 639230787310272840
28 ms 63.245.215.5
33 2026-08-23 10:32 639230777600173142
2030 ms 63.245.215.5
32 2026-08-23 10:16 639230767665024593
27 ms 63.245.215.5
31 2026-08-23 09:59 639230757720962293
4 ms 63.245.215.5
30 2026-08-23 09:43 639230747722189784
5 ms 63.245.215.5
29 2026-08-23 08:50 639230716313923480
13 ms 63.245.215.5
28 2026-08-23 08:35 639230706813835990
11 ms 63.245.215.5
27 2026-08-23 08:18 639230696871062203
5 ms 63.245.215.5
26 2026-08-23 08:02 639230687142781616
2018 ms 63.245.215.5
25 2026-08-23 07:46 639230677432142227
6 ms 63.245.215.5
24 2026-08-23 07:29 639230667686258061
9 ms 63.245.215.5
23 2026-08-23 07:13 639230658039243685
16 ms 63.245.215.5
22 2026-08-23 06:57 639230648468473803
69 ms 63.245.215.5
21 2026-08-23 06:41 639230638829658294
3 ms 63.245.215.5
20 2026-08-23 06:25 639230629247017617
10 ms 63.245.215.5
19 2026-08-23 06:09 639230619625318239
36 ms 63.245.215.5
18 2026-08-23 05:53 639230609697630264
52 ms 63.245.215.5
17 2026-08-23 05:01 639230578570131864
21 ms 63.245.215.5
16 2026-08-23 04:45 639230568958963168
10 ms 63.245.215.5
15 2026-08-23 04:29 639230559287611211
5 ms 63.245.215.5
14 2026-08-23 04:12 639230549524312030
9 ms 63.245.215.5
13 2026-08-23 03:56 639230539739801669
38 ms 63.245.215.5
12 2026-08-23 03:40 639230530084069375
5 ms 63.245.215.5
11 2026-08-23 03:24 639230520362691441
10 ms 63.245.215.5
10 2026-08-23 03:08 639230510677194518
4 ms 63.245.215.5
9 2026-08-23 02:52 639230501156002646
12 ms 63.245.215.5
8 2026-08-23 02:36 639230491502198541
9 ms 63.245.215.5
7 2026-08-23 02:20 639230481860318494
23 ms 63.245.215.5
6 2026-08-23 02:03 639230471893008575
3 ms 63.245.215.5
5 2026-08-23 01:10 639230440030877421
37 ms 63.245.215.5
4 2026-08-23 00:54 639230430479725508
4 ms 63.245.215.5
3 2026-08-23 00:38 639230420875160219
2012 ms 63.245.215.5
2 2026-08-23 00:22 639230411240692575
2023 ms 63.245.215.5
1 2026-08-23 00:06 639230401550806607
4 ms 63.245.215.5