History for dns1.rootcore.com.br
Domain: rootcore.com.br • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.rootcore.com.br
dns1.rootcore.com.br 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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 260 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 dns1.rootcore.com.br.
Records on Selected Date
75
Historical checks stored for this nameserver on selected date
Average Latency
260 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 23:58
All timestamps shown in UTC
Latest Resolved IP on Selected Date
177.136.237.51
Most recently resolved hosting IP on selected date
Successful Responses
74
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 dns1.rootcore.com.br
Showing DNS history for 2026-08-19 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 |
|---|---|---|---|---|---|
| 75 | 2026-08-19 23:58 | 639227805445376839 |
|
48 ms | 177.136.237.51 |
| 74 | 2026-08-19 23:42 | 639227795899225951 |
|
2070 ms | 177.136.237.51 |
| 73 | 2026-08-19 23:26 | 639227786351762008 |
|
24 ms | 177.136.237.51 |
| 72 | 2026-08-19 23:10 | 639227776640591733 |
|
34 ms | 177.136.237.51 |
| 71 | 2026-08-19 22:54 | 639227767128841282 |
|
20 ms | 177.136.237.51 |
| 70 | 2026-08-19 22:38 | 639227757477304711 |
|
40 ms | 177.136.237.51 |
| 69 | 2026-08-19 22:22 | 639227747572098014 |
|
34 ms | 177.136.237.51 |
| 68 | 2026-08-19 22:05 | 639227737588613113 |
|
27 ms | 177.136.237.51 |
| 67 | 2026-08-19 21:12 | 639227706134603955 |
|
235 ms | 177.136.237.51 |
| 66 | 2026-08-19 20:56 | 639227696589027396 |
|
29 ms | 177.136.237.51 |
| 65 | 2026-08-19 20:41 | 639227687097707639 |
|
421 ms | 177.136.237.51 |
| 64 | 2026-08-19 20:25 | 639227677474464487 |
|
35 ms | 177.136.237.51 |
| 63 | 2026-08-19 20:09 | 639227667767441118 |
|
50 ms | 177.136.237.51 |
| 62 | 2026-08-19 19:52 | 639227657984833832 |
|
55 ms | 177.136.237.51 |
| 61 | 2026-08-19 19:36 | 639227648079992640 |
|
44 ms | 177.136.237.51 |
| 60 | 2026-08-19 19:19 | 639227638125048441 |
|
163 ms | 177.136.237.51 |
| 59 | 2026-08-19 19:03 | 639227628211392142 |
|
46 ms | 177.136.237.51 |
| 58 | 2026-08-19 18:46 | 639227618261696275 |
|
21 ms | 177.136.237.51 |
| 57 | 2026-08-19 18:29 | 639227608366233645 |
|
36 ms | 177.136.237.51 |
| 56 | 2026-08-19 18:13 | 639227598301787588 |
|
38 ms | 177.136.237.51 |
| 55 | 2026-08-19 17:19 | 639227566241010716 |
|
- | |
| 54 | 2026-08-19 17:03 | 639227556454538959 |
|
18 ms | 177.136.237.51 |
| 53 | 2026-08-19 16:47 | 639227546640305542 |
|
2034 ms | 177.136.237.51 |
| 52 | 2026-08-19 16:30 | 639227536965466472 |
|
28 ms | 177.136.237.51 |
| 51 | 2026-08-19 16:14 | 639227527048658280 |
|
31 ms | 177.136.237.51 |
| 50 | 2026-08-19 15:58 | 639227517386634438 |
|
27 ms | 177.136.237.51 |
| 49 | 2026-08-19 15:41 | 639227507459551637 |
|
2020 ms | 177.136.237.51 |
| 48 | 2026-08-19 15:25 | 639227497515595277 |
|
319 ms | 177.136.237.51 |
| 47 | 2026-08-19 15:08 | 639227487441798036 |
|
183 ms | 177.136.237.51 |
| 46 | 2026-08-19 14:51 | 639227477445551863 |
|
45 ms | 177.136.237.51 |
| 45 | 2026-08-19 14:34 | 639227467297067891 |
|
404 ms | 177.136.237.51 |
| 44 | 2026-08-19 14:17 | 639227457057795635 |
|
69 ms | 177.136.237.51 |
| 43 | 2026-08-19 13:24 | 639227425244777397 |
|
29 ms | 177.136.237.51 |
| 42 | 2026-08-19 13:08 | 639227415422116485 |
|
43 ms | 177.136.237.51 |
| 41 | 2026-08-19 12:51 | 639227405307256053 |
|
13 ms | 177.136.237.51 |
| 40 | 2026-08-19 12:35 | 639227395396602630 |
|
59 ms | 177.136.237.51 |
| 39 | 2026-08-19 12:18 | 639227385510363611 |
|
55 ms | 177.136.237.51 |
| 38 | 2026-08-19 12:01 | 639227375508324850 |
|
66 ms | 177.136.237.51 |
| 37 | 2026-08-19 11:44 | 639227365326611906 |
|
337 ms | 177.136.237.51 |
| 36 | 2026-08-19 11:28 | 639227355360014208 |
|
21 ms | 177.136.237.51 |
| 35 | 2026-08-19 11:11 | 639227345036782165 |
|
2072 ms | 177.136.237.51 |
| 34 | 2026-08-19 10:54 | 639227334992964533 |
|
31 ms | 177.136.237.51 |
| 33 | 2026-08-19 10:37 | 639227324986605572 |
|
222 ms | 177.136.237.51 |
| 32 | 2026-08-19 10:20 | 639227314928414539 |
|
206 ms | 177.136.237.51 |
| 31 | 2026-08-19 09:27 | 639227283029182134 |
|
57 ms | 177.136.237.51 |
| 30 | 2026-08-19 09:11 | 639227273294779350 |
|
17 ms | 177.136.237.51 |
| 29 | 2026-08-19 08:55 | 639227263525231313 |
|
55 ms | 177.136.237.51 |
| 28 | 2026-08-19 08:38 | 639227253578313363 |
|
44 ms | 177.136.237.51 |
| 27 | 2026-08-19 08:22 | 639227243649973322 |
|
16 ms | 177.136.237.51 |
| 26 | 2026-08-19 08:05 | 639227233581059317 |
|
31 ms | 177.136.237.51 |
| 25 | 2026-08-19 07:48 | 639227223667352067 |
|
2132 ms | 177.136.237.51 |
| 24 | 2026-08-19 07:32 | 639227213714837066 |
|
40 ms | 177.136.237.51 |
| 23 | 2026-08-19 07:15 | 639227203701208496 |
|
21 ms | 177.136.237.51 |
| 22 | 2026-08-19 06:58 | 639227193643202179 |
|
26 ms | 177.136.237.51 |
| 21 | 2026-08-19 06:41 | 639227183584431597 |
|
37 ms | 177.136.237.51 |
| 20 | 2026-08-19 06:25 | 639227173347403088 |
|
85 ms | 177.136.237.51 |
| 19 | 2026-08-19 05:31 | 639227141523007601 |
|
36 ms | 177.136.237.51 |
| 18 | 2026-08-19 05:15 | 639227131785931574 |
|
28 ms | 177.136.237.51 |
| 17 | 2026-08-19 04:59 | 639227122176475389 |
|
73 ms | 177.136.237.51 |
| 16 | 2026-08-19 04:43 | 639227112668934596 |
|
44 ms | 177.136.237.51 |
| 15 | 2026-08-19 04:27 | 639227102773292788 |
|
49 ms | 177.136.237.51 |
| 14 | 2026-08-19 04:11 | 639227093141136930 |
|
197 ms | 177.136.237.51 |
| 13 | 2026-08-19 03:55 | 639227083449420147 |
|
21 ms | 177.136.237.51 |
| 12 | 2026-08-19 03:38 | 639227073771748493 |
|
50 ms | 177.136.237.51 |
| 11 | 2026-08-19 03:22 | 639227063977347614 |
|
33 ms | 177.136.237.51 |
| 10 | 2026-08-19 03:06 | 639227054253519024 |
|
2032 ms | 177.136.237.51 |
| 9 | 2026-08-19 02:49 | 639227044381963886 |
|
18 ms | 177.136.237.51 |
| 8 | 2026-08-19 02:33 | 639227034441085514 |
|
29 ms | 177.136.237.51 |
| 7 | 2026-08-19 01:41 | 639227003126489968 |
|
43 ms | 177.136.237.51 |
| 6 | 2026-08-19 01:25 | 639226993456311614 |
|
69 ms | 177.136.237.51 |
| 5 | 2026-08-19 01:09 | 639226983847312345 |
|
37 ms | 177.136.237.51 |
| 4 | 2026-08-19 00:53 | 639226974357874853 |
|
48 ms | 177.136.237.51 |
| 3 | 2026-08-19 00:37 | 639226964670484721 |
|
25 ms | 177.136.237.51 |
| 2 | 2026-08-19 00:20 | 639226954857899696 |
|
2044 ms | 177.136.237.51 |
| 1 | 2026-08-19 00:04 | 639226945091603488 |
|
13 ms | 177.136.237.51 |