DNS response history for ns1.first-root.com

ns1.first-root.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 221 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.first-root.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

221 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:13

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.228.52.254

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.first-root.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 23:13 639219137912168440
2021 ms 91.228.52.254
76 2026-08-09 22:59 639219129014206359
34 ms 91.228.52.254
75 2026-08-09 22:44 639219120129816185
99 ms 91.228.52.254
74 2026-08-09 22:29 639219111180200055
44 ms 91.228.52.254
73 2026-08-09 22:14 639219102397272208
16 ms 91.228.52.254
72 2026-08-09 21:59 639219093318422880
40 ms 91.228.52.254
71 2026-08-09 21:44 639219084400315753
45 ms 91.228.52.254
70 2026-08-09 21:29 639219075254551587
24 ms 91.228.52.254
69 2026-08-09 21:13 639219065729192158
43 ms 91.228.52.254
68 2026-08-09 20:58 639219056747802098
127 ms 91.228.52.254
67 2026-08-09 20:43 639219047713450952
7 ms 91.228.52.254
66 2026-08-09 20:28 639219038561445315
64 ms 91.228.52.254
65 2026-08-09 19:33 639219007390383771
91 ms 91.228.52.254
64 2026-08-09 19:19 639218998523265596
165 ms 91.228.52.254
63 2026-08-09 19:04 639218989631630804
160 ms 91.228.52.254
62 2026-08-09 18:49 639218980808450892
139 ms 91.228.52.254
61 2026-08-09 18:34 639218971852160604
269 ms 91.228.52.254
60 2026-08-09 18:19 639218962783650906
-
59 2026-08-09 18:04 639218953792820819
254 ms 91.228.52.254
58 2026-08-09 17:49 639218944959692876
39 ms 91.228.52.254
57 2026-08-09 17:35 639218936169104506
102 ms 91.228.52.254
56 2026-08-09 17:20 639218927166062556
132 ms 91.228.52.254
55 2026-08-09 17:04 639218918015715420
2015 ms 91.228.52.254
54 2026-08-09 16:49 639218908881852638
67 ms 91.228.52.254
53 2026-08-09 15:58 639218877956262035
38 ms 91.228.52.254
52 2026-08-09 15:44 639218869143729797
55 ms 91.228.52.254
51 2026-08-09 15:29 639218860485298832
82 ms 91.228.52.254
50 2026-08-09 15:14 639218851607906747
21 ms 91.228.52.254
49 2026-08-09 15:00 639218842720839568
67 ms 91.228.52.254
48 2026-08-09 14:45 639218833878788864
9 ms 91.228.52.254
47 2026-08-09 14:30 639218825180862573
71 ms 91.228.52.254
46 2026-08-09 14:16 639218816469621951
27 ms 91.228.52.254
45 2026-08-09 14:01 639218807685036212
267 ms 91.228.52.254
44 2026-08-09 13:47 639218798978271509
11 ms 91.228.52.254
43 2026-08-09 13:32 639218790065423597
98 ms 91.228.52.254
42 2026-08-09 13:17 639218781304584862
53 ms 91.228.52.254
41 2026-08-09 12:27 639218750311179000
38 ms 91.228.52.254
40 2026-08-09 12:12 639218741750420268
37 ms 91.228.52.254
39 2026-08-09 11:58 639218733057535576
16 ms 91.228.52.254
38 2026-08-09 11:44 639218724471329044
32 ms 91.228.52.254
37 2026-08-09 11:29 639218715911974203
64 ms 91.228.52.254
36 2026-08-09 11:15 639218707310812834
47 ms 91.228.52.254
35 2026-08-09 11:01 639218698790485612
25 ms 91.228.52.254
34 2026-08-09 10:47 639218690367692706
52 ms 91.228.52.254
33 2026-08-09 10:32 639218681923173883
19 ms 91.228.52.254
32 2026-08-09 10:18 639218673547179738
11 ms 91.228.52.254
31 2026-08-09 10:04 639218664890274867
11 ms 91.228.52.254
30 2026-08-09 09:49 639218656036928157
33 ms 91.228.52.254
29 2026-08-09 08:58 639218624808018222
235 ms 91.228.52.254
28 2026-08-09 08:43 639218616243340806
20 ms 91.228.52.254
27 2026-08-09 08:29 639218607397811973
57 ms 91.228.52.254
26 2026-08-09 08:14 639218598812444454
12 ms 91.228.52.254
25 2026-08-09 08:00 639218590219570048
23 ms 91.228.52.254
24 2026-08-09 07:46 639218581690210758
32 ms 91.228.52.254
23 2026-08-09 07:31 639218573057388822
16 ms 91.228.52.254
22 2026-08-09 07:17 639218564408781785
57 ms 91.228.52.254
21 2026-08-09 07:03 639218555767188482
13 ms 91.228.52.254
20 2026-08-09 06:48 639218547142705295
2010 ms 91.228.52.254
19 2026-08-09 06:33 639218538090114532
7 ms 91.228.52.254
18 2026-08-09 06:18 639218529257910584
165 ms 91.228.52.254
17 2026-08-09 05:26 639218498473231858
43 ms 91.228.52.254
16 2026-08-09 05:11 639218489802113995
101 ms 91.228.52.254
15 2026-08-09 04:57 639218481006804516
2013 ms 91.228.52.254
14 2026-08-09 04:42 639218472048712427
97 ms 91.228.52.254
13 2026-08-09 04:27 639218463224432974
47 ms 91.228.52.254
12 2026-08-09 04:12 639218454384107526
43 ms 91.228.52.254
11 2026-08-09 03:57 639218445331231791
31 ms 91.228.52.254
10 2026-08-09 03:42 639218436285215733
2008 ms 91.228.52.254
9 2026-08-09 03:27 639218427289555123
33 ms 91.228.52.254
8 2026-08-09 03:12 639218418227819981
29 ms 91.228.52.254
7 2026-08-09 02:57 639218409119503123
105 ms 91.228.52.254
6 2026-08-09 02:41 639218399771712154
2102 ms 91.228.52.254
5 2026-08-09 01:51 639218368648652303
55 ms 91.228.52.254
4 2026-08-09 01:36 639218359569598460
22 ms 91.228.52.254
3 2026-08-09 01:21 639218350555429902
39 ms 91.228.52.254
2 2026-08-09 01:05 639218341311543299
37 ms 91.228.52.254
1 2026-08-09 00:13 639218309981981465
138 ms 91.228.52.254