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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 130 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

77

Historical checks stored for this nameserver on selected date

Average Latency

130 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:56

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

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 ns1.cloudflare.com

Showing DNS history for 2026-08-15 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 2026-08-15 23:56 639224347685767174
43 ms 173.245.58.100
76 2026-08-15 23:40 639224338276675277
12 ms 173.245.58.100
75 2026-08-15 22:48 639224306594546649
78 ms 173.245.58.100
74 2026-08-15 22:32 639224297145423303
13 ms 173.245.58.100
73 2026-08-15 22:16 639224287678238833
50 ms 173.245.58.100
72 2026-08-15 22:01 639224278490872828
29 ms 173.245.58.100
71 2026-08-15 21:45 639224269149307826
19 ms 173.245.58.100
70 2026-08-15 21:30 639224259868597616
40 ms 173.245.58.100
69 2026-08-15 21:14 639224250518642175
15 ms 173.245.58.100
68 2026-08-15 20:59 639224241064772383
5 ms 173.245.58.100
67 2026-08-15 20:43 639224231691099605
39 ms 173.245.58.100
66 2026-08-15 20:28 639224222468168159
7 ms 173.245.58.100
65 2026-08-15 20:12 639224213173899635
47 ms 173.245.58.100
64 2026-08-15 19:57 639224203914451783
5 ms 173.245.58.100
63 2026-08-15 19:04 639224172202542163
17 ms 173.245.58.100
62 2026-08-15 18:49 639224163338654093
31 ms 173.245.58.100
61 2026-08-15 18:34 639224154287995374
60 ms 173.245.58.100
60 2026-08-15 18:19 639224145118612503
2012 ms 173.245.58.100
59 2026-08-15 18:04 639224135995990731
29 ms 173.245.58.100
58 2026-08-15 17:49 639224127185332624
5 ms 173.245.58.100
57 2026-08-15 17:34 639224118229289175
29 ms 173.245.58.100
56 2026-08-15 17:19 639224109273796359
52 ms 173.245.58.100
55 2026-08-15 17:04 639224100490805608
60 ms 173.245.58.100
54 2026-08-15 16:49 639224091353714490
24 ms 173.245.58.100
53 2026-08-15 16:34 639224082033126828
14 ms 173.245.58.100
52 2026-08-15 16:18 639224072736962403
66 ms 173.245.58.100
51 2026-08-15 15:25 639224041475563754
2085 ms 173.245.58.100
50 2026-08-15 15:10 639224032345604453
7 ms 173.245.58.100
49 2026-08-15 14:54 639224023169497283
7 ms 173.245.58.100
48 2026-08-15 14:39 639224013981146405
8 ms 173.245.58.100
47 2026-08-15 14:24 639224004883412586
8 ms 173.245.58.100
46 2026-08-15 14:08 639223995612880615
29 ms 173.245.58.100
45 2026-08-15 13:53 639223986271830789
13 ms 173.245.58.100
44 2026-08-15 13:37 639223977005780949
10 ms 173.245.58.100
43 2026-08-15 13:22 639223967653137793
2026 ms 173.245.58.100
42 2026-08-15 13:06 639223958286010799
-
41 2026-08-15 12:50 639223948936108345
9 ms 173.245.58.100
40 2026-08-15 12:35 639223939673066880
35 ms 173.245.58.100
39 2026-08-15 11:43 639223908317760530
9 ms 173.245.58.100
38 2026-08-15 11:28 639223898992594258
59 ms 173.245.58.100
37 2026-08-15 11:12 639223889761312823
8 ms 173.245.58.100
36 2026-08-15 10:57 639223880359273507
23 ms 173.245.58.100
35 2026-08-15 10:41 639223870920466808
9 ms 173.245.58.100
34 2026-08-15 10:25 639223861579762179
52 ms 173.245.58.100
33 2026-08-15 10:10 639223852238616009
12 ms 173.245.58.100
32 2026-08-15 09:55 639223843019815620
63 ms 173.245.58.100
31 2026-08-15 09:39 639223833669915012
13 ms 173.245.58.100
30 2026-08-15 09:24 639223824494613222
69 ms 173.245.58.100
29 2026-08-15 09:08 639223815116325293
26 ms 173.245.58.100
28 2026-08-15 08:52 639223805493870221
7 ms 173.245.58.100
27 2026-08-15 08:00 639223774218660438
8 ms 173.245.58.100
26 2026-08-15 07:45 639223764663090372
19 ms 173.245.58.100
25 2026-08-15 07:29 639223755338811400
13 ms 173.245.58.100
24 2026-08-15 07:13 639223746019193268
8 ms 173.245.58.100
23 2026-08-15 06:58 639223736658778104
35 ms 173.245.58.100
22 2026-08-15 06:42 639223727330194499
26 ms 173.245.58.100
21 2026-08-15 06:26 639223717848514742
14 ms 173.245.58.100
20 2026-08-15 06:11 639223708284754056
33 ms 173.245.58.100
19 2026-08-15 05:55 639223699061259933
32 ms 173.245.58.100
18 2026-08-15 05:39 639223689592545140
9 ms 173.245.58.100
17 2026-08-15 05:23 639223680143410810
4 ms 173.245.58.100
16 2026-08-15 05:08 639223670514517104
9 ms 173.245.58.100
15 2026-08-15 04:15 639223638855054294
10 ms 173.245.58.100
14 2026-08-15 03:59 639223629623335972
6 ms 173.245.58.100
13 2026-08-15 03:44 639223620390189495
14 ms 173.245.58.100
12 2026-08-15 03:28 639223610916950440
48 ms 173.245.58.100
11 2026-08-15 03:13 639223601597759168
3 ms 173.245.58.100
10 2026-08-15 02:57 639223592342172093
35 ms 173.245.58.100
9 2026-08-15 02:42 639223583324121497
61 ms 173.245.58.100
8 2026-08-15 02:27 639223574086714218
23 ms 173.245.58.100
7 2026-08-15 02:11 639223564698424889
3 ms 173.245.58.100
6 2026-08-15 01:56 639223555408664206
2016 ms 173.245.58.100
5 2026-08-15 01:40 639223546000912416
3 ms 173.245.58.100
4 2026-08-15 01:24 639223536550774847
50 ms 173.245.58.100
3 2026-08-15 00:32 639223505017205611
17 ms 173.245.58.100
2 2026-08-15 00:17 639223495784410207
4 ms 173.245.58.100
1 2026-08-15 00:01 639223486524583054
10 ms 173.245.58.100