DNS response history for ns01.webex.com

ns01.webex.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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 238 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 ns01.webex.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

238 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

66.163.53.1

Most recently resolved hosting IP on selected date

Successful Responses

76

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 ns01.webex.com

Showing DNS history for 2026-08-09 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
77 2026-08-09 23:12 639219137912168440
45 ms 66.163.53.1
76 2026-08-09 22:58 639219129014206359
42 ms 66.163.53.1
75 2026-08-09 22:43 639219120129816185
32 ms 66.163.53.1
74 2026-08-09 22:28 639219111180200055
38 ms 66.163.53.1
73 2026-08-09 22:13 639219102397272208
17 ms 66.163.53.1
72 2026-08-09 21:58 639219093318422880
26 ms 66.163.53.1
71 2026-08-09 21:43 639219084400315753
6 ms 66.163.53.1
70 2026-08-09 21:28 639219075254551587
39 ms 66.163.53.1
69 2026-08-09 21:12 639219065729192158
8 ms 66.163.53.1
68 2026-08-09 20:57 639219056747802098
17 ms 66.163.53.1
67 2026-08-09 20:42 639219047713450952
-
66 2026-08-09 20:27 639219038561445315
25 ms 66.163.53.1
65 2026-08-09 19:35 639219007390383771
28 ms 66.163.53.1
64 2026-08-09 19:21 639218998523265596
12 ms 66.163.53.1
63 2026-08-09 19:06 639218989631630804
62 ms 66.163.53.1
62 2026-08-09 18:51 639218980808450892
31 ms 66.163.53.1
61 2026-08-09 18:36 639218971852160604
9 ms 66.163.53.1
60 2026-08-09 18:21 639218962783650906
24 ms 66.163.53.1
59 2026-08-09 18:06 639218953792820819
36 ms 66.163.53.1
58 2026-08-09 17:51 639218944959692876
2029 ms 66.163.53.1
57 2026-08-09 17:36 639218936169104506
25 ms 66.163.53.1
56 2026-08-09 17:21 639218927166062556
40 ms 66.163.53.1
55 2026-08-09 17:06 639218918015715420
18 ms 66.163.53.1
54 2026-08-09 16:51 639218908881852638
11 ms 66.163.53.1
53 2026-08-09 16:00 639218877956262035
9 ms 66.163.53.1
52 2026-08-09 15:45 639218869143729797
12 ms 66.163.53.1
51 2026-08-09 15:31 639218860485298832
10 ms 66.163.53.1
50 2026-08-09 15:16 639218851607906747
59 ms 66.163.53.1
49 2026-08-09 15:01 639218842720839568
2011 ms 66.163.53.1
48 2026-08-09 14:46 639218833878788864
27 ms 66.163.53.1
47 2026-08-09 14:32 639218825180862573
48 ms 66.163.53.1
46 2026-08-09 14:18 639218816469621951
19 ms 66.163.53.1
45 2026-08-09 14:03 639218807685036212
32 ms 66.163.53.1
44 2026-08-09 13:48 639218798978271509
45 ms 66.163.53.1
43 2026-08-09 13:34 639218790065423597
13 ms 66.163.53.1
42 2026-08-09 13:19 639218781304584862
15 ms 66.163.53.1
41 2026-08-09 12:28 639218750311179000
35 ms 66.163.53.1
40 2026-08-09 12:13 639218741750420268
31 ms 66.163.53.1
39 2026-08-09 11:59 639218733057535576
63 ms 66.163.53.1
38 2026-08-09 11:45 639218724471329044
15 ms 66.163.53.1
37 2026-08-09 11:30 639218715911974203
38 ms 66.163.53.1
36 2026-08-09 11:16 639218707310812834
78 ms 66.163.53.1
35 2026-08-09 11:02 639218698790485612
14 ms 66.163.53.1
34 2026-08-09 10:48 639218690367692706
22 ms 66.163.53.1
33 2026-08-09 10:34 639218681923173883
15 ms 66.163.53.1
32 2026-08-09 10:20 639218673547179738
19 ms 66.163.53.1
31 2026-08-09 10:05 639218664890274867
20 ms 66.163.53.1
30 2026-08-09 09:51 639218656036928157
2025 ms 66.163.53.1
29 2026-08-09 08:59 639218624808018222
33 ms 66.163.53.1
28 2026-08-09 08:45 639218616243340806
7 ms 66.163.53.1
27 2026-08-09 08:30 639218607397811973
34 ms 66.163.53.1
26 2026-08-09 08:16 639218598812444454
60 ms 66.163.53.1
25 2026-08-09 08:01 639218590219570048
17 ms 66.163.53.1
24 2026-08-09 07:47 639218581690210758
2030 ms 66.163.53.1
23 2026-08-09 07:33 639218573057388822
13 ms 66.163.53.1
22 2026-08-09 07:18 639218564408781785
14 ms 66.163.53.1
21 2026-08-09 07:04 639218555767188482
30 ms 66.163.53.1
20 2026-08-09 06:50 639218547142705295
8 ms 66.163.53.1
19 2026-08-09 06:35 639218538090114532
15 ms 66.163.53.1
18 2026-08-09 06:20 639218529257910584
20 ms 66.163.53.1
17 2026-08-09 05:27 639218498473231858
43 ms 66.163.53.1
16 2026-08-09 05:13 639218489802113995
7 ms 66.163.53.1
15 2026-08-09 04:58 639218481006804516
23 ms 66.163.53.1
14 2026-08-09 04:43 639218472048712427
2093 ms 66.163.53.1
13 2026-08-09 04:28 639218463224432974
2011 ms 66.163.53.1
12 2026-08-09 04:14 639218454384107526
38 ms 66.163.53.1
11 2026-08-09 03:59 639218445331231791
15 ms 66.163.53.1
10 2026-08-09 03:44 639218436285215733
11 ms 66.163.53.1
9 2026-08-09 03:29 639218427289555123
13 ms 66.163.53.1
8 2026-08-09 03:14 639218418227819981
2017 ms 66.163.53.1
7 2026-08-09 02:58 639218409119503123
28 ms 66.163.53.1
6 2026-08-09 02:43 639218399771712154
23 ms 66.163.53.1
5 2026-08-09 01:52 639218368648652303
12 ms 66.163.53.1
4 2026-08-09 01:36 639218359569598460
2103 ms 66.163.53.1
3 2026-08-09 01:21 639218350555429902
26 ms 66.163.53.1
2 2026-08-09 01:06 639218341311543299
22 ms 66.163.53.1
1 2026-08-09 00:14 639218309981981465
31 ms 66.163.53.1