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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 179 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

76

Historical checks stored for this nameserver on selected date

Average Latency

179 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:50

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

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.cloudflare.com

Showing DNS history for 2026-08-11 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
76 2026-08-11 23:50 639220888396333845
31 ms 173.245.58.100
75 2026-08-11 23:34 639220878864937382
10 ms 173.245.58.100
74 2026-08-11 22:41 639220847369072314
42 ms 173.245.58.100
73 2026-08-11 22:26 639220838037764925
14 ms 173.245.58.100
72 2026-08-11 22:10 639220828735120634
28 ms 173.245.58.100
71 2026-08-11 21:55 639220819447979766
34 ms 173.245.58.100
70 2026-08-11 21:39 639220810056531741
9 ms 173.245.58.100
69 2026-08-11 21:24 639220800745746593
36 ms 173.245.58.100
68 2026-08-11 21:08 639220791351626349
26 ms 173.245.58.100
67 2026-08-11 20:53 639220782021256610
19 ms 173.245.58.100
66 2026-08-11 20:37 639220772603347755
72 ms 173.245.58.100
65 2026-08-11 20:21 639220763224057047
2018 ms 173.245.58.100
64 2026-08-11 20:05 639220753691117767
10 ms 173.245.58.100
63 2026-08-11 19:49 639220744107836218
43 ms 173.245.58.100
62 2026-08-11 18:56 639220711927629898
9 ms 173.245.58.100
61 2026-08-11 18:40 639220702299437921
50 ms 173.245.58.100
60 2026-08-11 18:24 639220692505468181
41 ms 173.245.58.100
59 2026-08-11 18:07 639220682669911239
9 ms 173.245.58.100
58 2026-08-11 17:51 639220672929841526
20 ms 173.245.58.100
57 2026-08-11 17:35 639220663225662315
22 ms 173.245.58.100
56 2026-08-11 17:19 639220653846255684
13 ms 173.245.58.100
55 2026-08-11 17:03 639220644420909059
50 ms 173.245.58.100
54 2026-08-11 16:48 639220635074970435
14 ms 173.245.58.100
53 2026-08-11 16:32 639220625614385966
6 ms 173.245.58.100
52 2026-08-11 16:16 639220616132212636
2020 ms 173.245.58.100
51 2026-08-11 16:00 639220606533651662
9 ms 173.245.58.100
50 2026-08-11 15:08 639220574514514318
9 ms 173.245.58.100
49 2026-08-11 14:52 639220565124823874
18 ms 173.245.58.100
48 2026-08-11 14:36 639220555799311478
11 ms 173.245.58.100
47 2026-08-11 14:21 639220546481577614
12 ms 173.245.58.100
46 2026-08-11 14:05 639220537036533154
4 ms 173.245.58.100
45 2026-08-11 13:50 639220527719177174
4 ms 173.245.58.100
44 2026-08-11 13:34 639220518173088308
9 ms 173.245.58.100
43 2026-08-11 13:18 639220508902896243
23 ms 173.245.58.100
42 2026-08-11 13:03 639220499455923005
7 ms 173.245.58.100
41 2026-08-11 12:47 639220490082583768
16 ms 173.245.58.100
40 2026-08-11 12:31 639220480636590998
7 ms 173.245.58.100
39 2026-08-11 12:13 639220469585029273
19 ms 173.245.58.100
38 2026-08-11 11:21 639220438074188884
30 ms 173.245.58.100
37 2026-08-11 11:06 639220428789720049
11 ms 173.245.58.100
36 2026-08-11 10:50 639220419558302820
33 ms 173.245.58.100
35 2026-08-11 10:35 639220410448738795
29 ms 173.245.58.100
34 2026-08-11 10:20 639220401034081530
25 ms 173.245.58.100
33 2026-08-11 10:04 639220391766674161
10 ms 173.245.58.100
32 2026-08-11 09:48 639220382275807148
35 ms 173.245.58.100
31 2026-08-11 09:33 639220373034162867
9 ms 173.245.58.100
30 2026-08-11 09:18 639220363994971859
10 ms 173.245.58.100
29 2026-08-11 09:02 639220354563965455
30 ms 173.245.58.100
28 2026-08-11 08:47 639220345437414880
22 ms 173.245.58.100
27 2026-08-11 08:31 639220336024248987
104 ms 173.245.58.100
26 2026-08-11 07:38 639220304233635692
42 ms 173.245.58.100
25 2026-08-11 07:23 639220294872170960
53 ms 173.245.58.100
24 2026-08-11 07:07 639220285547177980
35 ms 173.245.58.100
23 2026-08-11 06:51 639220276337941315
11 ms 173.245.58.100
22 2026-08-11 06:36 639220267175191677
23 ms 173.245.58.100
21 2026-08-11 06:21 639220257981518924
7 ms 173.245.58.100
20 2026-08-11 06:06 639220249265489070
2040 ms 173.245.58.100
19 2026-08-11 05:52 639220240700249205
6 ms 173.245.58.100
18 2026-08-11 05:37 639220231975029986
14 ms 173.245.58.100
17 2026-08-11 05:23 639220223261176932
28 ms 173.245.58.100
16 2026-08-11 05:08 639220214366718456
2018 ms 173.245.58.100
15 2026-08-11 04:53 639220205306334524
12 ms 173.245.58.100
14 2026-08-11 04:02 639220174463175061
5 ms 173.245.58.100
13 2026-08-11 03:47 639220165777190438
5 ms 173.245.58.100
12 2026-08-11 03:32 639220156880374825
29 ms 173.245.58.100
11 2026-08-11 03:18 639220148139986945
20 ms 173.245.58.100
10 2026-08-11 03:03 639220139271074299
24 ms 173.245.58.100
9 2026-08-11 02:48 639220130565901336
4 ms 173.245.58.100
8 2026-08-11 02:34 639220121659980575
2018 ms 173.245.58.100
7 2026-08-11 02:19 639220112857650894
30 ms 173.245.58.100
6 2026-08-11 02:04 639220103767686219
15 ms 173.245.58.100
5 2026-08-11 01:48 639220094545970611
8 ms 173.245.58.100
4 2026-08-11 01:33 639220085476091081
2007 ms 173.245.58.100
3 2026-08-11 01:18 639220076243751161
6 ms 173.245.58.100
2 2026-08-11 00:27 639220045322845190
8 ms 173.245.58.100
1 2026-08-11 00:12 639220036434132314
4 ms 173.245.58.100