DNS response history for ns1.cloudflare.com

ns1.cloudflare.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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 81 successful responses, 1 failed responses, and 299 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.cloudflare.com.
Records on Selected Date

82

Historical checks stored for this nameserver on selected date

Average Latency

299 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.58.100

Most recently resolved hosting IP on selected date

Successful Responses

81

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.cloudflare.com

Showing DNS history for 2026-08-10 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
82 2026-08-10 23:57 639220027366289509
7 ms 173.245.58.100
81 2026-08-10 23:42 639220018272941900
3 ms 173.245.58.100
80 2026-08-10 23:26 639220009109892969
9 ms 173.245.58.100
79 2026-08-10 23:11 639220000040489788
7 ms 173.245.58.100
78 2026-08-10 22:56 639219991197135747
10 ms 173.245.58.100
77 2026-08-10 22:41 639219982104540014
15 ms 173.245.58.100
76 2026-08-10 22:27 639219973150300215
2014 ms 173.245.58.100
75 2026-08-10 22:11 639219964188486697
42 ms 173.245.58.100
74 2026-08-10 21:56 639219954995921784
17 ms 173.245.58.100
73 2026-08-10 21:41 639219945559908104
15 ms 173.245.58.100
72 2026-08-10 20:47 639219914137782273
11 ms 173.245.58.100
71 2026-08-10 20:32 639219904858355064
4 ms 173.245.58.100
70 2026-08-10 20:16 639219895655263396
153 ms 173.245.58.100
69 2026-08-10 20:01 639219886527091074
12 ms 173.245.58.100
68 2026-08-10 19:46 639219877343266628
36 ms 173.245.58.100
67 2026-08-10 19:31 639219868177358195
2050 ms 173.245.58.100
66 2026-08-10 19:15 639219859159581515
26 ms 173.245.58.100
65 2026-08-10 19:00 639219850124020182
16 ms 173.245.58.100
64 2026-08-10 18:45 639219840940124840
32 ms 173.245.58.100
63 2026-08-10 18:30 639219831829876486
32 ms 173.245.58.100
62 2026-08-10 18:15 639219822587759143
2025 ms 173.245.58.100
61 2026-08-10 17:59 639219813247114428
2010 ms 173.245.58.100
60 2026-08-10 17:07 639219781959606396
11 ms 173.245.58.100
59 2026-08-10 16:51 639219772658305431
31 ms 173.245.58.100
58 2026-08-10 16:36 639219763454523027
11 ms 173.245.58.100
57 2026-08-10 16:21 639219754279127815
3 ms 173.245.58.100
56 2026-08-10 16:05 639219745087467767
11 ms 173.245.58.100
55 2026-08-10 15:50 639219735900678107
9 ms 173.245.58.100
54 2026-08-10 15:34 639219726531461979
4 ms 173.245.58.100
53 2026-08-10 15:19 639219717415222156
37 ms 173.245.58.100
52 2026-08-10 15:04 639219708266470863
46 ms 173.245.58.100
51 2026-08-10 14:49 639219699049479559
10 ms 173.245.58.100
50 2026-08-10 14:33 639219689775815194
4019 ms 173.245.58.100
49 2026-08-10 14:18 639219680511810632
22 ms 173.245.58.100
48 2026-08-10 13:23 639219648997191257
8 ms 173.245.58.100
47 2026-08-10 13:08 639219639938909436
32 ms 173.245.58.100
46 2026-08-10 12:53 639219630718286441
26 ms 173.245.58.100
45 2026-08-10 12:38 639219621472350410
-
44 2026-08-10 12:23 639219612500421992
2026 ms 173.245.58.100
43 2026-08-10 12:07 639219603383833445
10 ms 173.245.58.100
42 2026-08-10 11:52 639219594143823358
4 ms 173.245.58.100
41 2026-08-10 11:37 639219585053166024
10 ms 173.245.58.100
40 2026-08-10 11:21 639219575885776644
65 ms 173.245.58.100
39 2026-08-10 11:06 639219566844532361
32 ms 173.245.58.100
38 2026-08-10 10:51 639219557705808294
38 ms 173.245.58.100
37 2026-08-10 10:36 639219548482688649
9 ms 173.245.58.100
36 2026-08-10 09:44 639219517492763539
9 ms 173.245.58.100
35 2026-08-10 09:29 639219508755773605
33 ms 173.245.58.100
34 2026-08-10 09:14 639219499852103863
5 ms 173.245.58.100
33 2026-08-10 08:59 639219490893714387
12 ms 173.245.58.100
32 2026-08-10 08:45 639219482299305521
5 ms 173.245.58.100
31 2026-08-10 08:30 639219473613114853
4 ms 173.245.58.100
30 2026-08-10 08:16 639219465061138643
2036 ms 173.245.58.100
29 2026-08-10 08:02 639219456616129015
19 ms 173.245.58.100
28 2026-08-10 07:48 639219447974008557
17 ms 173.245.58.100
27 2026-08-10 07:34 639219439498255213
2030 ms 173.245.58.100
26 2026-08-10 07:19 639219430664872256
4 ms 173.245.58.100
25 2026-08-10 07:04 639219421757560037
2011 ms 173.245.58.100
24 2026-08-10 06:12 639219390773218684
36 ms 173.245.58.100
23 2026-08-10 05:58 639219382205367722
2022 ms 173.245.58.100
22 2026-08-10 05:44 639219373711937615
558 ms 173.245.58.100
21 2026-08-10 05:30 639219365088558404
36 ms 173.245.58.100
20 2026-08-10 05:15 639219356348833255
22 ms 173.245.58.100
19 2026-08-10 05:01 639219347860053478
55 ms 173.245.58.100
18 2026-08-10 04:46 639219339173195121
17 ms 173.245.58.100
17 2026-08-10 04:32 639219330642664669
35 ms 173.245.58.100
16 2026-08-10 04:18 639219322058698995
9 ms 173.245.58.100
15 2026-08-10 04:04 639219313564344199
3 ms 173.245.58.100
14 2026-08-10 03:49 639219304775113236
52 ms 173.245.58.100
13 2026-08-10 03:34 639219295706181119
13 ms 173.245.58.100
12 2026-08-10 02:43 639219264663923254
7 ms 173.245.58.100
11 2026-08-10 02:29 639219256015178099
22 ms 173.245.58.100
10 2026-08-10 02:14 639219247509540188
5 ms 173.245.58.100
9 2026-08-10 02:00 639219238999539092
10 ms 173.245.58.100
8 2026-08-10 01:46 639219230498823902
5 ms 173.245.58.100
7 2026-08-10 01:31 639219221706460911
4 ms 173.245.58.100
6 2026-08-10 01:17 639219212930606887
4 ms 173.245.58.100
5 2026-08-10 01:02 639219204307908525
4 ms 173.245.58.100
4 2026-08-10 00:48 639219195720181470
12 ms 173.245.58.100
3 2026-08-10 00:33 639219186898174002
18 ms 173.245.58.100
2 2026-08-10 00:19 639219178004946976
36 ms 173.245.58.100
1 2026-08-10 00:03 639219168958805474
9 ms 173.245.58.100