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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 193 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

60

Historical checks stored for this nameserver on selected date

Average Latency

193 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:50

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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:50 639225207490611656
56 ms 91.228.52.254
59 2026-08-16 23:35 639225198045815385
17 ms 91.228.52.254
58 2026-08-16 22:42 639225166825544741
74 ms 91.228.52.254
57 2026-08-16 22:27 639225157549461269
44 ms 91.228.52.254
56 2026-08-16 22:11 639225147914556308
35 ms 91.228.52.254
55 2026-08-16 21:55 639225138472322960
31 ms 91.228.52.254
54 2026-08-16 21:03 639225107211236826
41 ms 91.228.52.254
53 2026-08-16 20:47 639225097684457510
2503 ms 91.228.52.254
52 2026-08-16 20:31 639225087942913396
41 ms 91.228.52.254
51 2026-08-16 20:15 639225078238684183
27 ms 91.228.52.254
50 2026-08-16 19:22 639225046944151094
2011 ms 91.228.52.254
49 2026-08-16 19:06 639225037234857231
33 ms 91.228.52.254
48 2026-08-16 18:50 639225027423459920
132 ms 91.228.52.254
47 2026-08-16 18:34 639225017891613027
232 ms 91.228.52.254
46 2026-08-16 17:41 639224986298183527
60 ms 91.228.52.254
45 2026-08-16 17:25 639224976567107023
18 ms 91.228.52.254
44 2026-08-16 17:09 639224966709723386
55 ms 91.228.52.254
43 2026-08-16 16:53 639224957175756942
15 ms 91.228.52.254
42 2026-08-16 16:01 639224925782379869
31 ms 91.228.52.254
41 2026-08-16 15:45 639224916429532459
98 ms 91.228.52.254
40 2026-08-16 15:29 639224906878325623
2015 ms 91.228.52.254
39 2026-08-16 15:13 639224897258974385
31 ms 91.228.52.254
38 2026-08-16 14:21 639224866169532828
86 ms 91.228.52.254
37 2026-08-16 14:05 639224856561831915
40 ms 91.228.52.254
36 2026-08-16 13:49 639224846830897794
36 ms 91.228.52.254
35 2026-08-16 13:33 639224836975863283
142 ms 91.228.52.254
34 2026-08-16 12:40 639224804985340946
27 ms 91.228.52.254
33 2026-08-16 12:24 639224795567782333
14 ms 91.228.52.254
32 2026-08-16 12:08 639224785914225250
44 ms 91.228.52.254
31 2026-08-16 11:52 639224776383854998
27 ms 91.228.52.254
30 2026-08-16 10:59 639224744252113993
41 ms 91.228.52.254
29 2026-08-16 10:42 639224734238905542
5 ms 91.228.52.254
28 2026-08-16 10:26 639224724335031221
18 ms 91.228.52.254
27 2026-08-16 10:09 639224714475244430
2049 ms 91.228.52.254
26 2026-08-16 09:13 639224681063874153
36 ms 91.228.52.254
25 2026-08-16 08:57 639224671038956665
122 ms 91.228.52.254
24 2026-08-16 08:40 639224661079806122
32 ms 91.228.52.254
23 2026-08-16 08:24 639224651169993038
17 ms 91.228.52.254
22 2026-08-16 07:29 639224618882283050
38 ms 91.228.52.254
21 2026-08-16 07:13 639224609519965372
37 ms 91.228.52.254
20 2026-08-16 06:57 639224599969658888
33 ms 91.228.52.254
19 2026-08-16 06:41 639224590360343307
39 ms 91.228.52.254
18 2026-08-16 05:49 639224558901831832
93 ms 91.228.52.254
17 2026-08-16 05:34 639224549678210576
-
16 2026-08-16 05:18 639224540433420642
3 ms 91.228.52.254
15 2026-08-16 05:02 639224531046032443
26 ms 91.228.52.254
14 2026-08-16 04:10 639224499638024410
37 ms 91.228.52.254
13 2026-08-16 03:55 639224490358783451
44 ms 91.228.52.254
12 2026-08-16 03:39 639224481111410545
41 ms 91.228.52.254
11 2026-08-16 03:24 639224471809153772
187 ms 91.228.52.254
10 2026-08-16 02:31 639224440124457324
43 ms 91.228.52.254
9 2026-08-16 02:16 639224430921105721
27 ms 91.228.52.254
8 2026-08-16 02:00 639224421455433103
42 ms 91.228.52.254
7 2026-08-16 01:45 639224412089740331
50 ms 91.228.52.254
6 2026-08-16 01:29 639224403168392868
169 ms 91.228.52.254
5 2026-08-16 01:14 639224393856251387
18 ms 91.228.52.254
4 2026-08-16 00:59 639224384677141438
46 ms 91.228.52.254
3 2026-08-16 00:43 639224375597986398
15 ms 91.228.52.254
2 2026-08-16 00:28 639224366430296466
17 ms 91.228.52.254
1 2026-08-16 00:13 639224357218176789
25 ms 91.228.52.254