`flag-proxy.courseware-prod.imaginelearning.com`

DNSSEC	⚠️ Not signed
A	108.139.166.36^{🇺🇸 Amazon108.139.164.0/22}
		PTR	`server-108-139-166-36.gru3.r.cloudfront.net`
A	108.139.166.73^{🇺🇸 Amazon108.139.164.0/22}
A	108.139.166.107^{🇺🇸 Amazon108.139.164.0/22}
A	108.139.166.122^{🇺🇸 Amazon108.139.164.0/22}

`courseware-prod.imaginelearning.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-1330.awsdns-38.org` ⭐
	NS	`ns-1013.awsdns-62.net`
	NS	`ns-1618.awsdns-10.co.uk`
	NS	`ns-338.awsdns-42.com`
	SOA	`ns-1330.awsdns-38.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (61/100)

DNS History

36 records (4 active, 32 former)

○A108.139.134.1232026-04-08 → 2026-04-13 · 21 obs

○ 2026-04-07 14:21:46
● 2026-04-08 05:42:38
● 2026-04-08 22:09:18
○ 2026-04-09 00:21:40
○ 2026-04-09 02:24:44
● 2026-04-09 03:24:34
● 2026-04-09 06:00:20
○ 2026-04-09 06:30:44
● 2026-04-09 22:16:32
○ 2026-04-10 00:39:28
● 2026-04-10 10:37:40
● 2026-04-10 20:03:56
○ 2026-04-10 22:24:50
○ 2026-04-11 14:24:16
● 2026-04-11 19:28:24
○ 2026-04-12 03:29:36
○ 2026-04-12 08:46:32
● 2026-04-12 10:10:20
● 2026-04-13 00:06:40
○ 2026-04-13 00:38:40
○ 2026-04-13 05:04:20

○A108.139.134.872026-04-08 → 2026-04-13 · 21 obs

○A108.139.134.912026-04-08 → 2026-04-13 · 21 obs

○A108.139.134.932026-04-08 → 2026-04-13 · 21 obs

●A108.139.166.1072026-03-28 → 2026-04-13 · 23 obs

○ 2026-03-28 13:22:26
● 2026-03-28 19:38:52
● 2026-03-29 06:41:00
○ 2026-03-29 09:29:00
○ 2026-03-29 15:06:02
● 2026-03-29 19:44:48
● 2026-03-30 07:21:52
○ 2026-03-30 09:09:40
○ 2026-03-30 14:54:54
● 2026-03-31 10:41:08
○ 2026-03-31 15:44:54
○ 2026-03-31 17:08:44
● 2026-03-31 18:50:48
○ 2026-04-01 02:32:40
● 2026-04-01 04:33:46
● 2026-04-01 07:11:54
○ 2026-04-01 14:51:40
○ 2026-04-12 03:29:36
● 2026-04-12 04:51:04
○ 2026-04-12 08:46:32
○ 2026-04-13 02:50:00
● 2026-04-13 05:04:18
● 2026-04-13 05:04:20

●A108.139.166.1222026-03-28 → 2026-04-13 · 23 obs

●A108.139.166.362026-03-28 → 2026-04-13 · 23 obs

●A108.139.166.732026-03-28 → 2026-04-13 · 23 obs

○A13.33.235.282026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-22 20:07:38
● 2026-03-23 02:44:38
● 2026-03-23 09:01:40
○ 2026-03-23 18:37:34
○ 2026-04-13 05:04:20

○A13.33.235.582026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-22 20:07:38
● 2026-03-23 02:44:38
● 2026-03-23 09:01:40
○ 2026-03-23 18:37:34
○ 2026-04-13 05:04:20

○A13.33.235.652026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-22 20:07:38
● 2026-03-23 02:44:38
● 2026-03-23 09:01:40
○ 2026-03-23 18:37:34
○ 2026-04-13 05:04:20

○A13.33.235.882026-03-23 → 2026-03-23 · 5 obs

○ 2026-03-22 20:07:38
● 2026-03-23 02:44:38
● 2026-03-23 09:01:40
○ 2026-03-23 18:37:34
○ 2026-04-13 05:04:20

○A18.154.227.1022026-03-18 → 2026-03-28 · 8 obs

○ 2026-03-18 10:15:36
● 2026-03-18 18:51:38
○ 2026-03-19 01:14:12
○ 2026-03-28 04:20:06
● 2026-03-28 07:01:10
● 2026-03-28 09:13:42
○ 2026-03-28 13:22:26
○ 2026-04-13 05:04:20

○A18.154.227.1032026-03-18 → 2026-03-28 · 8 obs

○ 2026-03-18 10:15:36
● 2026-03-18 18:51:38
○ 2026-03-19 01:14:12
○ 2026-03-28 04:20:06
● 2026-03-28 07:01:10
● 2026-03-28 09:13:42
○ 2026-03-28 13:22:26
○ 2026-04-13 05:04:20

○A18.154.227.462026-03-18 → 2026-03-28 · 8 obs

○ 2026-03-18 10:15:36
● 2026-03-18 18:51:38
○ 2026-03-19 01:14:12
○ 2026-03-28 04:20:06
● 2026-03-28 07:01:10
● 2026-03-28 09:13:42
○ 2026-03-28 13:22:26
○ 2026-04-13 05:04:20

○A18.154.227.862026-03-18 → 2026-03-28 · 8 obs

○ 2026-03-18 10:15:36
● 2026-03-18 18:51:38
○ 2026-03-19 01:14:12
○ 2026-03-28 04:20:06
● 2026-03-28 07:01:10
● 2026-03-28 09:13:42
○ 2026-03-28 13:22:26
○ 2026-04-13 05:04:20

○A18.161.205.1082026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 22:09:18
● 2026-04-09 00:21:40
○ 2026-04-09 02:24:44
○ 2026-04-13 05:04:20

○A18.161.205.352026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 22:09:18
● 2026-04-09 00:21:40
○ 2026-04-09 02:24:44
○ 2026-04-13 05:04:20

○A18.161.205.622026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 22:09:18
● 2026-04-09 00:21:40
○ 2026-04-09 02:24:44
○ 2026-04-13 05:04:20

○A18.161.205.962026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 22:09:18
● 2026-04-09 00:21:40
○ 2026-04-09 02:24:44
○ 2026-04-13 05:04:20

○A18.245.218.1172026-03-19 → 2026-04-13 · 59 obs

○ 2026-03-18 18:51:38
● 2026-03-19 01:14:12
● 2026-03-22 20:07:38
○ 2026-03-23 02:44:38
○ 2026-03-23 18:37:34
● 2026-03-23 22:36:34
● 2026-03-28 04:20:06
○ 2026-03-28 07:01:10
○ 2026-03-28 09:13:42
● 2026-03-28 13:22:26
○ 2026-03-28 19:38:52
○ 2026-03-29 06:41:00
● 2026-03-29 09:29:00
● 2026-03-29 15:06:02
○ 2026-03-29 19:44:48
○ 2026-03-30 07:21:52
● 2026-03-30 09:09:40
● 2026-03-30 14:54:54
○ 2026-03-31 10:41:08
● 2026-03-31 15:44:54
○ 2026-03-31 17:08:44
○ 2026-04-01 07:11:54
● 2026-04-01 14:51:40
○ 2026-04-01 18:30:34
● 2026-04-02 00:47:16
○ 2026-04-02 06:00:46
○ 2026-04-02 10:17:54
● 2026-04-03 01:30:32
● 2026-04-03 13:43:02
○ 2026-04-04 00:55:54
● 2026-04-05 03:56:06
○ 2026-04-05 04:59:12
● 2026-04-05 08:14:42
● 2026-04-06 00:35:28
○ 2026-04-06 06:13:56
● 2026-04-07 00:47:46
● 2026-04-07 09:20:00
○ 2026-04-07 14:21:46
○ 2026-04-09 00:21:40
● 2026-04-09 02:24:44
○ 2026-04-09 03:24:34
○ 2026-04-09 06:00:20
● 2026-04-09 06:30:44
○ 2026-04-09 22:16:32
● 2026-04-10 00:39:28
○ 2026-04-10 10:37:40
○ 2026-04-10 20:03:56
● 2026-04-10 22:24:50
● 2026-04-11 14:24:16
○ 2026-04-11 19:28:24
● 2026-04-12 03:29:36
○ 2026-04-12 04:51:04
● 2026-04-12 08:46:32
○ 2026-04-12 10:10:20
○ 2026-04-13 00:06:40
● 2026-04-13 00:38:40
● 2026-04-13 02:50:00
○ 2026-04-13 05:04:18
○ 2026-04-13 05:04:20

○A18.245.218.362026-03-19 → 2026-04-13 · 59 obs

○A18.245.218.612026-03-19 → 2026-04-13 · 59 obs

○A18.245.218.872026-03-19 → 2026-04-13 · 59 obs

○A3.161.136.192026-03-31 → 2026-04-07 · 23 obs

○ 2026-03-31 15:44:54
● 2026-03-31 17:08:44
○ 2026-03-31 18:50:48
● 2026-04-01 02:32:40
○ 2026-04-01 04:33:46
○ 2026-04-01 14:51:40
● 2026-04-01 18:30:34
○ 2026-04-02 00:47:16
● 2026-04-02 06:00:46
● 2026-04-02 10:17:54
○ 2026-04-03 01:30:32
○ 2026-04-03 13:43:02
● 2026-04-04 00:55:54
○ 2026-04-05 03:56:06
● 2026-04-05 04:59:12
○ 2026-04-05 08:14:42
○ 2026-04-06 00:35:28
● 2026-04-06 06:13:56
○ 2026-04-07 00:47:46
○ 2026-04-07 09:20:00
● 2026-04-07 14:21:46
○ 2026-04-08 05:42:38
○ 2026-04-13 05:04:20

○A3.161.136.372026-03-31 → 2026-04-07 · 23 obs

○A3.161.136.492026-03-31 → 2026-04-07 · 23 obs

○A3.161.136.752026-03-31 → 2026-04-07 · 23 obs

○A52.84.20.192026-03-18 → 2026-03-18 · 3 obs

● 2026-03-18 10:15:36
○ 2026-03-18 18:51:38
○ 2026-04-13 05:04:20

○A52.84.20.212026-03-18 → 2026-03-18 · 3 obs

● 2026-03-18 10:15:36
○ 2026-03-18 18:51:38
○ 2026-04-13 05:04:20

○A52.84.20.362026-03-18 → 2026-03-18 · 3 obs

● 2026-03-18 10:15:36
○ 2026-03-18 18:51:38
○ 2026-04-13 05:04:20

○A52.84.20.872026-03-18 → 2026-03-18 · 3 obs

● 2026-03-18 10:15:36
○ 2026-03-18 18:51:38
○ 2026-04-13 05:04:20

○A54.239.195.1212026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 09:01:40
● 2026-03-23 18:37:34
○ 2026-03-23 22:36:34
○ 2026-04-13 05:04:20

○A54.239.195.262026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 09:01:40
● 2026-03-23 18:37:34
○ 2026-03-23 22:36:34
○ 2026-04-13 05:04:20

○A54.239.195.832026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 09:01:40
● 2026-03-23 18:37:34
○ 2026-03-23 22:36:34
○ 2026-04-13 05:04:20

○A54.239.195.872026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 09:01:40
● 2026-03-23 18:37:34
○ 2026-03-23 22:36:34
○ 2026-04-13 05:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
imaginelearning.com	ns-240.awsdns-30.com, ns-835.awsdns-40.net, ns-1795.awsdns-32.co.uk, ns-1273.awsdns-31.org	1 record
courseware-prod.imaginelearning.com	ns-1013.awsdns-62.net, ns-1330.awsdns-38.org, ns-1618.awsdns-10.co.uk, ns-338.awsdns-42.com	-

✅ Authoritative Response

Server:205.251.193.82

NS records: ns-1013.awsdns-62.net, ns-1330.awsdns-38.org, ns-1618.awsdns-10.co.uk, ns-338.awsdns-42.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for imaginelearning.com (unsigned zone)

⏱️ Timing

Total: 1104ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.166.107, 108.139.166.36...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-240.awsdns-30.com)

Analysis

IP Addresses

flag-proxy.courseware-prod.imaginelearning.com resolves to four IPs: 108.139.166.36, 108.139.166.73, 108.139.166.107 and 108.139.166.122.

Other host names such as acumin.cl, dfv98pd7zsic4.cloudfront.net, acumin.ma, jocpd.com and hayday-api.inbox.supercell.com share IP numbers with flag-proxy.courseware-prod.imaginelearning.com.

flag-proxy.courseware-prod.imaginelearning.com - robtex.com