DNS response history for github.io

github.io 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 2026-08-26. For this date, NameServerHistory found 100 DNS check records, 100 successful responses, 0 failed responses, and 47 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 github.io.
Records on Selected Date

100

Historical checks stored for this nameserver on selected date

Average Latency

47 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 08:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.199.108.153

Most recently resolved hosting IP on selected date

Successful Responses

100

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 github.io

Showing DNS history for 2026-08-26 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
100 2026-08-26 08:12 639233287487159094
22 ms 185.199.108.153
99 2026-08-26 08:12 639233287487159094
22 ms 185.199.109.153
98 2026-08-26 08:12 639233287487159094
22 ms 185.199.110.153
97 2026-08-26 08:12 639233287487159094
22 ms 185.199.111.153
96 2026-08-26 07:54 639233276995531707
26 ms 185.199.110.153
95 2026-08-26 07:54 639233276995531707
26 ms 185.199.108.153
94 2026-08-26 07:54 639233276995531707
26 ms 185.199.109.153
93 2026-08-26 07:54 639233276995531707
26 ms 185.199.111.153
92 2026-08-26 07:37 639233266521568229
6 ms 185.199.111.153
91 2026-08-26 07:37 639233266521568229
6 ms 185.199.108.153
90 2026-08-26 07:37 639233266521568229
6 ms 185.199.109.153
89 2026-08-26 07:37 639233266521568229
6 ms 185.199.110.153
88 2026-08-26 07:20 639233256081047431
217 ms 185.199.109.153
87 2026-08-26 07:20 639233256081047431
217 ms 185.199.110.153
86 2026-08-26 07:20 639233256081047431
217 ms 185.199.111.153
85 2026-08-26 07:20 639233256081047431
217 ms 185.199.108.153
84 2026-08-26 06:26 639233223620132921
30 ms 185.199.109.153
83 2026-08-26 06:26 639233223620132921
30 ms 185.199.110.153
82 2026-08-26 06:26 639233223620132921
30 ms 185.199.111.153
81 2026-08-26 06:26 639233223620132921
30 ms 185.199.108.153
80 2026-08-26 06:08 639233213287814244
18 ms 185.199.111.153
79 2026-08-26 06:08 639233213287814244
18 ms 185.199.110.153
78 2026-08-26 06:08 639233213287814244
18 ms 185.199.108.153
77 2026-08-26 06:08 639233213287814244
18 ms 185.199.109.153
76 2026-08-26 05:51 639233202925983161
136 ms 185.199.108.153
75 2026-08-26 05:51 639233202925983161
136 ms 185.199.109.153
74 2026-08-26 05:51 639233202925983161
136 ms 185.199.110.153
73 2026-08-26 05:51 639233202925983161
136 ms 185.199.111.153
72 2026-08-26 05:34 639233192644780696
30 ms 185.199.108.153
71 2026-08-26 05:34 639233192644780696
30 ms 185.199.109.153
70 2026-08-26 05:34 639233192644780696
30 ms 185.199.111.153
69 2026-08-26 05:34 639233192644780696
30 ms 185.199.110.153
68 2026-08-26 05:17 639233182401183833
85 ms 185.199.110.153
67 2026-08-26 05:17 639233182401183833
85 ms 185.199.111.153
66 2026-08-26 05:17 639233182401183833
85 ms 185.199.108.153
65 2026-08-26 05:17 639233182401183833
85 ms 185.199.109.153
64 2026-08-26 05:00 639233172074181051
9 ms 185.199.108.153
63 2026-08-26 05:00 639233172074181051
9 ms 185.199.109.153
62 2026-08-26 05:00 639233172074181051
9 ms 185.199.110.153
61 2026-08-26 05:00 639233172074181051
9 ms 185.199.111.153
60 2026-08-26 04:43 639233161808421455
40 ms 185.199.108.153
59 2026-08-26 04:43 639233161808421455
40 ms 185.199.109.153
58 2026-08-26 04:43 639233161808421455
40 ms 185.199.110.153
57 2026-08-26 04:43 639233161808421455
40 ms 185.199.111.153
56 2026-08-26 04:25 639233151357344052
26 ms 185.199.108.153
55 2026-08-26 04:25 639233151357344052
26 ms 185.199.109.153
54 2026-08-26 04:25 639233151357344052
26 ms 185.199.110.153
53 2026-08-26 04:25 639233151357344052
26 ms 185.199.111.153
52 2026-08-26 04:08 639233141034116946
19 ms 185.199.110.153
51 2026-08-26 04:08 639233141034116946
19 ms 185.199.111.153
50 2026-08-26 04:08 639233141034116946
19 ms 185.199.108.153
49 2026-08-26 04:08 639233141034116946
19 ms 185.199.109.153
48 2026-08-26 03:51 639233130828334142
23 ms 185.199.110.153
47 2026-08-26 03:51 639233130828334142
23 ms 185.199.111.153
46 2026-08-26 03:51 639233130828334142
23 ms 185.199.108.153
45 2026-08-26 03:51 639233130828334142
23 ms 185.199.109.153
44 2026-08-26 03:33 639233120373450007
92 ms 185.199.110.153
43 2026-08-26 03:33 639233120373450007
92 ms 185.199.111.153
42 2026-08-26 03:33 639233120373450007
92 ms 185.199.108.153
41 2026-08-26 03:33 639233120373450007
92 ms 185.199.109.153
40 2026-08-26 03:16 639233110066216193
157 ms 185.199.111.153
39 2026-08-26 03:16 639233110066216193
157 ms 185.199.108.153
38 2026-08-26 03:16 639233110066216193
157 ms 185.199.109.153
37 2026-08-26 03:16 639233110066216193
157 ms 185.199.110.153
36 2026-08-26 02:23 639233078065410564
3 ms 185.199.109.153
35 2026-08-26 02:23 639233078065410564
3 ms 185.199.110.153
34 2026-08-26 02:23 639233078065410564
3 ms 185.199.111.153
33 2026-08-26 02:23 639233078065410564
3 ms 185.199.108.153
32 2026-08-26 02:06 639233067787457832
47 ms 185.199.108.153
31 2026-08-26 02:06 639233067787457832
47 ms 185.199.109.153
30 2026-08-26 02:06 639233067787457832
47 ms 185.199.110.153
29 2026-08-26 02:06 639233067787457832
47 ms 185.199.111.153
28 2026-08-26 01:49 639233057501801162
31 ms 185.199.111.153
27 2026-08-26 01:49 639233057501801162
31 ms 185.199.108.153
26 2026-08-26 01:49 639233057501801162
31 ms 185.199.109.153
25 2026-08-26 01:49 639233057501801162
31 ms 185.199.110.153
24 2026-08-26 01:31 639233047089431703
29 ms 185.199.108.153
23 2026-08-26 01:31 639233047089431703
29 ms 185.199.109.153
22 2026-08-26 01:31 639233047089431703
29 ms 185.199.110.153
21 2026-08-26 01:31 639233047089431703
29 ms 185.199.111.153
20 2026-08-26 01:14 639233036754790688
30 ms 185.199.111.153
19 2026-08-26 01:14 639233036754790688
30 ms 185.199.108.153
18 2026-08-26 01:14 639233036754790688
30 ms 185.199.109.153
17 2026-08-26 01:14 639233036754790688
30 ms 185.199.110.153
16 2026-08-26 00:57 639233026412602472
46 ms 185.199.109.153
15 2026-08-26 00:57 639233026412602472
46 ms 185.199.111.153
14 2026-08-26 00:57 639233026412602472
46 ms 185.199.110.153
13 2026-08-26 00:57 639233026412602472
46 ms 185.199.108.153
12 2026-08-26 00:40 639233016064066127
24 ms 185.199.109.153
11 2026-08-26 00:40 639233016064066127
24 ms 185.199.110.153
10 2026-08-26 00:40 639233016064066127
24 ms 185.199.111.153
9 2026-08-26 00:40 639233016064066127
24 ms 185.199.108.153
8 2026-08-26 00:23 639233005922655772
3 ms 185.199.111.153
7 2026-08-26 00:23 639233005922655772
3 ms 185.199.109.153
6 2026-08-26 00:23 639233005922655772
3 ms 185.199.108.153
5 2026-08-26 00:23 639233005922655772
3 ms 185.199.110.153
4 2026-08-26 00:06 639232995672256907
23 ms 185.199.109.153
3 2026-08-26 00:06 639232995672256907
23 ms 185.199.108.153
2 2026-08-26 00:06 639232995672256907
23 ms 185.199.110.153
1 2026-08-26 00:06 639232995672256907
23 ms 185.199.111.153