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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 104 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

74

Historical checks stored for this nameserver on selected date

Average Latency

104 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:50

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

73

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.mozilla.org

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:50 639230391807229016
2009 ms 63.245.215.5
73 2026-08-22 23:33 639230382051619327
6 ms 63.245.215.5
72 2026-08-22 23:17 639230372323353529
3 ms 63.245.215.5
71 2026-08-22 23:01 639230362586451064
8 ms 63.245.215.5
70 2026-08-22 22:44 639230352793666303
117 ms 63.245.215.5
69 2026-08-22 22:28 639230342775737758
14 ms 63.245.215.5
68 2026-08-22 22:11 639230332639939561
27 ms 63.245.215.5
67 2026-08-22 21:18 639230301014190104
6 ms 63.245.215.5
66 2026-08-22 21:02 639230291048161498
63 ms 63.245.215.5
65 2026-08-22 20:45 639230280894353664
29 ms 63.245.215.5
64 2026-08-22 20:28 639230270699419073
4 ms 63.245.215.5
63 2026-08-22 20:10 639230260248163050
7 ms 63.245.215.5
62 2026-08-22 19:53 639230250122494282
9 ms 63.245.215.5
61 2026-08-22 19:36 639230239972935046
24 ms 63.245.215.5
60 2026-08-22 19:20 639230229963262464
39 ms 63.245.215.5
59 2026-08-22 19:03 639230220033804658
9 ms 63.245.215.5
58 2026-08-22 18:46 639230209891107289
8 ms 63.245.215.5
57 2026-08-22 18:29 639230199630298717
-
56 2026-08-22 18:12 639230189301984150
9 ms 63.245.215.5
55 2026-08-22 17:18 639230157138468804
4 ms 63.245.215.5
54 2026-08-22 17:02 639230146987869495
5 ms 63.245.215.5
53 2026-08-22 16:45 639230136768638516
5 ms 63.245.215.5
52 2026-08-22 16:28 639230126735907877
5 ms 63.245.215.5
51 2026-08-22 16:11 639230116551187768
8 ms 63.245.215.5
50 2026-08-22 15:54 639230106335615913
35 ms 63.245.215.5
49 2026-08-22 15:37 639230096177758176
70 ms 63.245.215.5
48 2026-08-22 15:20 639230086185999993
8 ms 63.245.215.5
47 2026-08-22 15:04 639230076247854903
37 ms 63.245.215.5
46 2026-08-22 14:47 639230066076077530
3 ms 63.245.215.5
45 2026-08-22 14:29 639230055738197328
31 ms 63.245.215.5
44 2026-08-22 14:12 639230045411225521
2023 ms 63.245.215.5
43 2026-08-22 13:18 639230013046000470
23 ms 63.245.215.5
42 2026-08-22 13:02 639230003090037878
87 ms 63.245.215.5
41 2026-08-22 12:45 639229993008259475
43 ms 63.245.215.5
40 2026-08-22 12:28 639229982909449470
11 ms 63.245.215.5
39 2026-08-22 12:12 639229973035502212
10 ms 63.245.215.5
38 2026-08-22 11:55 639229963064296145
16 ms 63.245.215.5
37 2026-08-22 11:38 639229952996162143
10 ms 63.245.215.5
36 2026-08-22 11:21 639229943051949195
10 ms 63.245.215.5
35 2026-08-22 11:05 639229932919214934
25 ms 63.245.215.5
34 2026-08-22 10:48 639229922745889838
6 ms 63.245.215.5
33 2026-08-22 10:31 639229912587214796
42 ms 63.245.215.5
32 2026-08-22 10:14 639229902240004454
12 ms 63.245.215.5
31 2026-08-22 09:21 639229870800501662
2021 ms 63.245.215.5
30 2026-08-22 09:05 639229861058384956
5 ms 63.245.215.5
29 2026-08-22 08:49 639229851158592604
25 ms 63.245.215.5
28 2026-08-22 08:32 639229841475569629
61 ms 63.245.215.5
27 2026-08-22 08:16 639229831887658471
47 ms 63.245.215.5
26 2026-08-22 08:00 639229822043670346
35 ms 63.245.215.5
25 2026-08-22 07:44 639229812327913936
16 ms 63.245.215.5
24 2026-08-22 07:28 639229802629488686
79 ms 63.245.215.5
23 2026-08-22 07:12 639229793051447309
64 ms 63.245.215.5
22 2026-08-22 06:55 639229783303531961
40 ms 63.245.215.5
21 2026-08-22 06:39 639229773458051942
14 ms 63.245.215.5
20 2026-08-22 06:22 639229763373848056
31 ms 63.245.215.5
19 2026-08-22 05:30 639229732140622809
5 ms 63.245.215.5
18 2026-08-22 05:14 639229722699695967
4 ms 63.245.215.5
17 2026-08-22 04:58 639229713097498075
3 ms 63.245.215.5
16 2026-08-22 04:42 639229703543969637
9 ms 63.245.215.5
15 2026-08-22 04:27 639229693970392873
14 ms 63.245.215.5
14 2026-08-22 04:10 639229684277329469
8 ms 63.245.215.5
13 2026-08-22 03:54 639229674501596661
3 ms 63.245.215.5
12 2026-08-22 03:38 639229665064441147
4 ms 63.245.215.5
11 2026-08-22 03:22 639229655507536872
24 ms 63.245.215.5
10 2026-08-22 03:06 639229645849603111
7 ms 63.245.215.5
9 2026-08-22 02:50 639229636090497453
3 ms 63.245.215.5
8 2026-08-22 02:33 639229625978544281
3 ms 63.245.215.5
7 2026-08-22 01:41 639229594644662176
71 ms 63.245.215.5
6 2026-08-22 01:25 639229585214633065
6 ms 63.245.215.5
5 2026-08-22 01:09 639229575581042175
5 ms 63.245.215.5
4 2026-08-22 00:53 639229565912268962
29 ms 63.245.215.5
3 2026-08-22 00:37 639229556237813203
27 ms 63.245.215.5
2 2026-08-22 00:21 639229546625802518
9 ms 63.245.215.5
1 2026-08-22 00:05 639229537172016621
5 ms 63.245.215.5