DNS response history for ns.osullivaninc.com

ns.osullivaninc.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 2026-08-25. For this date, NameServerHistory found 27 DNS check records, 26 successful responses, 1 failed responses, and 332 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 ns.osullivaninc.com.
Records on Selected Date

27

Historical checks stored for this nameserver on selected date

Average Latency

332 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 09:23

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.233.18.21

Most recently resolved hosting IP on selected date

Successful Responses

26

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns.osullivaninc.com

Showing DNS history for 2026-08-25 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
27 2026-08-25 09:23 639232461630217327
12 ms 205.233.18.21
26 2026-08-25 09:06 639232451282965990
266 ms 205.233.18.21
25 2026-08-25 08:48 639232440814614938
258 ms 205.233.18.21
24 2026-08-25 08:31 639232430410720425
237 ms 205.233.18.21
23 2026-08-25 08:14 639232420003096185
132 ms 205.233.18.21
22 2026-08-25 07:56 639232409467287444
281 ms 205.233.18.21
21 2026-08-25 07:39 639232399077195997
127 ms 205.233.18.21
20 2026-08-25 07:22 639232388731528337
48 ms 205.233.18.21
19 2026-08-25 07:04 639232378288598612
137 ms 205.233.18.21
18 2026-08-25 06:11 639232346196373643
274 ms 205.233.18.21
17 2026-08-25 05:54 639232336112370741
128 ms 205.233.18.21
16 2026-08-25 05:37 639232326146508970
252 ms 205.233.18.21
15 2026-08-25 05:21 639232316189381720
273 ms 205.233.18.21
14 2026-08-25 05:04 639232306217998913
11 ms 205.233.18.21
13 2026-08-25 04:47 639232296255744174
152 ms 205.233.18.21
12 2026-08-25 04:31 639232286095760789
255 ms 205.233.18.21
11 2026-08-25 04:14 639232276086186273
-
10 2026-08-25 03:57 639232265900986425
2137 ms 205.233.18.21
9 2026-08-25 03:40 639232255723518075
8 ms 205.233.18.21
8 2026-08-25 03:23 639232245484452890
257 ms 205.233.18.21
7 2026-08-25 03:06 639232235157175331
261 ms 205.233.18.21
6 2026-08-25 02:12 639232203197189095
167 ms 205.233.18.21
5 2026-08-25 01:55 639232192844564298
2123 ms 205.233.18.21
4 2026-08-25 01:38 639232182496008942
308 ms 205.233.18.21
3 2026-08-25 01:21 639232172197053132
266 ms 205.233.18.21
2 2026-08-25 00:27 639232140250307418
142 ms 205.233.18.21
1 2026-08-25 00:10 639232129927860324
127 ms 205.233.18.21