`api-promo.samsungknowledge.com`

DNSSEC	⚠️ Not signed
A	13.33.82.4^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
		PTR	`server-13-33-82-4.bos50.r.cloudfront.net`
A	13.33.82.36^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
A	13.33.82.81^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
A	13.33.82.119^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}

`samsungknowledge.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-1839.awsdns-37.co.uk` ⭐
	NS	`ns-1434.awsdns-51.org`
	NS	`ns-212.awsdns-26.com`
	NS	`ns-637.awsdns-15.net`
	SOA	`ns-1839.awsdns-37.co.uk`awsdns-hostmaster@amazon.com serial=1

⚠️ On DNS blocklist: pro.plus, ultimate
📈 Tranco rank: #23,099

DNS History

48 records (4 active, 44 former)

○A108.156.85.1042026-03-29 → 2026-04-25 · 30 obs

○ 2026-03-29 04:08:44
● 2026-03-29 06:05:52
○ 2026-03-29 13:49:34
● 2026-03-29 19:37:40
● 2026-03-29 22:25:46
○ 2026-03-30 02:40:06
○ 2026-03-31 10:28:52
● 2026-03-31 11:24:20
● 2026-03-31 12:05:22
○ 2026-03-31 17:37:30
○ 2026-04-08 19:12:52
● 2026-04-08 22:09:34
○ 2026-04-09 06:10:48
○ 2026-04-11 11:09:42
● 2026-04-11 20:29:34
○ 2026-04-12 03:41:02
● 2026-04-12 11:59:46
○ 2026-04-13 01:37:52
● 2026-04-13 03:35:52
○ 2026-04-13 06:53:10
○ 2026-04-13 17:54:56
● 2026-04-14 04:18:44
○ 2026-04-14 07:02:48
○ 2026-04-14 15:42:02
● 2026-04-15 13:45:24
○ 2026-04-15 15:42:44
○ 2026-04-25 02:20:20
● 2026-04-25 11:53:50
○ 2026-04-25 20:57:48
○ 2026-04-26 02:43:24

○A108.156.85.1062026-03-29 → 2026-04-25 · 30 obs

○A108.156.85.382026-03-29 → 2026-04-25 · 30 obs

○A108.156.85.992026-03-29 → 2026-04-25 · 30 obs

●A13.33.82.1192026-04-21 → 2026-04-26 · 12 obs

○ 2026-04-21 17:46:36
● 2026-04-21 19:41:12
○ 2026-04-22 05:21:48
○ 2026-04-24 06:52:54
● 2026-04-24 16:32:12
○ 2026-04-24 17:41:38
○ 2026-04-24 21:57:54
● 2026-04-25 00:48:38
○ 2026-04-25 02:20:20
○ 2026-04-25 23:04:52
● 2026-04-26 02:43:22
● 2026-04-26 02:43:24

●A13.33.82.362026-04-21 → 2026-04-26 · 12 obs

●A13.33.82.42026-04-21 → 2026-04-26 · 12 obs

●A13.33.82.812026-04-21 → 2026-04-26 · 12 obs

○A18.160.18.252026-03-07 → 2026-04-19 · 41 obs

○ 2026-03-07 01:24:34
● 2026-03-07 03:30:12
○ 2026-03-07 11:28:22
○ 2026-03-08 18:07:48
● 2026-03-09 08:58:08
○ 2026-03-09 15:32:52
○ 2026-03-10 02:49:18
● 2026-03-11 14:47:22
● 2026-03-12 00:13:08
○ 2026-03-12 01:27:50
○ 2026-03-12 08:08:40
● 2026-03-12 18:38:42
○ 2026-03-12 20:09:50
○ 2026-03-17 04:55:56
● 2026-03-17 05:57:56
● 2026-03-17 19:25:08
○ 2026-03-17 19:57:04
○ 2026-03-18 02:42:42
● 2026-03-18 04:31:56
○ 2026-03-18 10:58:18
○ 2026-03-23 03:26:26
● 2026-03-23 05:25:38
● 2026-03-23 12:07:46
○ 2026-03-23 22:59:06
○ 2026-03-27 07:58:50
● 2026-03-27 08:34:18
○ 2026-03-27 09:06:40
○ 2026-04-01 15:03:54
● 2026-04-01 19:14:30
○ 2026-04-03 02:20:54
○ 2026-04-13 06:53:10
● 2026-04-13 10:00:26
○ 2026-04-13 10:53:20
○ 2026-04-15 18:23:28
● 2026-04-16 08:10:48
○ 2026-04-17 12:01:30
○ 2026-04-18 11:50:16
● 2026-04-19 01:31:20
● 2026-04-19 06:45:06
○ 2026-04-19 14:02:22
○ 2026-04-26 02:43:24

○A18.160.18.462026-03-07 → 2026-04-19 · 41 obs

○A18.160.18.592026-03-07 → 2026-04-19 · 41 obs

○A18.160.18.992026-03-07 → 2026-04-19 · 41 obs

○A18.244.140.122026-03-06 → 2026-04-25 · 118 obs

● 2026-03-06 03:57:46
● 2026-03-07 01:24:34
○ 2026-03-07 03:30:12
○ 2026-03-07 16:50:18
● 2026-03-07 21:18:10
● 2026-03-08 18:07:48
○ 2026-03-09 08:58:08
● 2026-03-09 15:32:52
● 2026-03-10 02:49:18
○ 2026-03-11 14:47:22
○ 2026-03-12 00:13:08
● 2026-03-12 01:27:50
○ 2026-03-12 06:38:34
● 2026-03-12 07:34:58
● 2026-03-12 08:08:40
○ 2026-03-12 18:38:42
● 2026-03-12 20:09:50
● 2026-03-14 12:31:46
○ 2026-03-14 13:05:32
● 2026-03-14 14:28:28
○ 2026-03-14 16:53:06
● 2026-03-14 17:47:02
○ 2026-03-14 20:26:20
○ 2026-03-15 00:08:54
● 2026-03-15 02:25:38
○ 2026-03-15 06:33:48
○ 2026-03-15 12:38:28
● 2026-03-15 17:19:42
● 2026-03-17 04:55:56
○ 2026-03-17 05:57:56
○ 2026-03-17 19:25:08
● 2026-03-17 19:57:04
● 2026-03-18 02:42:42
○ 2026-03-18 04:31:56
● 2026-03-18 10:58:18
● 2026-03-19 17:21:02
○ 2026-03-20 04:20:42
● 2026-03-20 06:02:36
● 2026-03-21 02:11:34
○ 2026-03-22 12:28:04
● 2026-03-22 16:27:36
● 2026-03-23 03:26:26
○ 2026-03-23 05:25:38
○ 2026-03-23 22:59:06
● 2026-03-24 02:56:28
● 2026-03-27 00:44:42
○ 2026-03-27 02:19:42
○ 2026-03-27 05:18:54
● 2026-03-27 05:57:16
○ 2026-03-27 06:27:34
○ 2026-03-27 09:06:40
● 2026-03-27 14:30:00
● 2026-03-29 04:08:44
○ 2026-03-29 06:05:52
○ 2026-03-29 22:25:46
● 2026-03-30 02:40:06
● 2026-03-31 03:27:34
○ 2026-03-31 08:14:04
● 2026-03-31 10:28:52
○ 2026-03-31 11:24:20
○ 2026-03-31 17:37:30
● 2026-04-01 01:38:12
○ 2026-04-01 06:46:48
● 2026-04-01 09:17:16
● 2026-04-01 14:16:30
○ 2026-04-01 15:03:54
○ 2026-04-01 19:14:30
● 2026-04-03 02:20:54
○ 2026-04-03 04:54:34
● 2026-04-03 09:37:22
○ 2026-04-03 16:13:04
● 2026-04-03 18:33:34
○ 2026-04-04 02:49:02
○ 2026-04-04 13:48:16
● 2026-04-04 17:25:48
● 2026-04-08 19:12:52
○ 2026-04-08 22:09:34
● 2026-04-09 06:10:48
● 2026-04-11 03:56:18
○ 2026-04-11 11:09:42
○ 2026-04-11 20:29:34
● 2026-04-12 03:41:02
○ 2026-04-12 11:59:46
● 2026-04-13 01:37:52
○ 2026-04-13 03:35:52
● 2026-04-13 06:53:10
○ 2026-04-13 10:00:26
● 2026-04-13 10:53:20
● 2026-04-13 17:54:56
○ 2026-04-14 04:18:44
● 2026-04-14 07:02:48
● 2026-04-14 15:42:02
○ 2026-04-15 13:45:24
● 2026-04-15 15:42:44
● 2026-04-15 18:23:28
○ 2026-04-16 08:10:48
● 2026-04-17 12:01:30
● 2026-04-18 11:50:16
○ 2026-04-19 01:31:20
○ 2026-04-19 06:45:06
● 2026-04-19 14:02:22
● 2026-04-19 22:47:54
○ 2026-04-20 05:51:00
● 2026-04-20 09:02:40
● 2026-04-21 17:46:36
○ 2026-04-21 19:41:12
● 2026-04-22 05:21:48
● 2026-04-24 06:52:54
○ 2026-04-24 16:32:12
● 2026-04-24 17:41:38
● 2026-04-24 21:57:54
○ 2026-04-25 00:48:38
● 2026-04-25 02:20:20
○ 2026-04-25 11:53:50
● 2026-04-25 20:57:48
● 2026-04-25 23:04:52
○ 2026-04-26 02:43:22
○ 2026-04-26 02:43:24

○A18.244.140.422026-03-06 → 2026-04-25 · 118 obs

○A18.244.140.62026-03-06 → 2026-04-25 · 118 obs

○A18.244.140.872026-03-06 → 2026-04-25 · 118 obs

○A18.65.39.1092026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:07:46
● 2026-03-23 22:59:06
○ 2026-03-24 02:56:28
○ 2026-04-26 02:43:24

○A18.65.39.302026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:07:46
● 2026-03-23 22:59:06
○ 2026-03-24 02:56:28
○ 2026-04-26 02:43:24

○A18.65.39.352026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:07:46
● 2026-03-23 22:59:06
○ 2026-03-24 02:56:28
○ 2026-04-26 02:43:24

○A18.65.39.622026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-23 12:07:46
● 2026-03-23 22:59:06
○ 2026-03-24 02:56:28
○ 2026-04-26 02:43:24

○A18.66.171.1262026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:11:34
● 2026-03-22 12:28:04
○ 2026-03-22 16:27:36
○ 2026-04-26 02:43:24

○A18.66.171.372026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:11:34
● 2026-03-22 12:28:04
○ 2026-03-22 16:27:36
○ 2026-04-26 02:43:24

○A18.66.171.452026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:11:34
● 2026-03-22 12:28:04
○ 2026-03-22 16:27:36
○ 2026-04-26 02:43:24

○A18.66.171.892026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:11:34
● 2026-03-22 12:28:04
○ 2026-03-22 16:27:36
○ 2026-04-26 02:43:24

○A3.164.206.1132026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 00:44:42
● 2026-03-27 02:19:42
● 2026-03-27 05:18:54
○ 2026-03-27 05:57:16
○ 2026-04-26 02:43:24

○A3.164.206.362026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 00:44:42
● 2026-03-27 02:19:42
● 2026-03-27 05:18:54
○ 2026-03-27 05:57:16
○ 2026-04-26 02:43:24

○A3.164.206.612026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 00:44:42
● 2026-03-27 02:19:42
● 2026-03-27 05:18:54
○ 2026-03-27 05:57:16
○ 2026-04-26 02:43:24

○A3.164.206.822026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-27 00:44:42
● 2026-03-27 02:19:42
● 2026-03-27 05:18:54
○ 2026-03-27 05:57:16
○ 2026-04-26 02:43:24

○A3.164.68.1142026-03-27 → 2026-03-27 · 7 obs

○ 2026-03-27 05:57:16
● 2026-03-27 06:27:34
● 2026-03-27 07:58:50
○ 2026-03-27 08:34:18
● 2026-03-27 09:06:40
○ 2026-03-27 14:30:00
○ 2026-04-26 02:43:24

○A3.164.68.1212026-03-27 → 2026-03-27 · 7 obs

○ 2026-03-27 05:57:16
● 2026-03-27 06:27:34
● 2026-03-27 07:58:50
○ 2026-03-27 08:34:18
● 2026-03-27 09:06:40
○ 2026-03-27 14:30:00
○ 2026-04-26 02:43:24

○A3.164.68.1242026-03-27 → 2026-03-27 · 7 obs

○ 2026-03-27 05:57:16
● 2026-03-27 06:27:34
● 2026-03-27 07:58:50
○ 2026-03-27 08:34:18
● 2026-03-27 09:06:40
○ 2026-03-27 14:30:00
○ 2026-04-26 02:43:24

○A3.164.68.942026-03-27 → 2026-03-27 · 7 obs

○ 2026-03-27 05:57:16
● 2026-03-27 06:27:34
● 2026-03-27 07:58:50
○ 2026-03-27 08:34:18
● 2026-03-27 09:06:40
○ 2026-03-27 14:30:00
○ 2026-04-26 02:43:24

○A3.168.73.312026-03-14 → 2026-03-29 · 7 obs

○ 2026-03-14 12:31:46
● 2026-03-14 13:05:32
○ 2026-03-14 14:28:28
○ 2026-03-29 06:05:52
● 2026-03-29 13:49:34
○ 2026-03-29 19:37:40
○ 2026-04-26 02:43:24

○A3.168.73.392026-03-14 → 2026-03-29 · 7 obs

○ 2026-03-14 12:31:46
● 2026-03-14 13:05:32
○ 2026-03-14 14:28:28
○ 2026-03-29 06:05:52
● 2026-03-29 13:49:34
○ 2026-03-29 19:37:40
○ 2026-04-26 02:43:24

○A3.168.73.442026-03-14 → 2026-03-29 · 7 obs

○ 2026-03-14 12:31:46
● 2026-03-14 13:05:32
○ 2026-03-14 14:28:28
○ 2026-03-29 06:05:52
● 2026-03-29 13:49:34
○ 2026-03-29 19:37:40
○ 2026-04-26 02:43:24

○A3.168.73.872026-03-14 → 2026-03-29 · 7 obs

○ 2026-03-14 12:31:46
● 2026-03-14 13:05:32
○ 2026-03-14 14:28:28
○ 2026-03-29 06:05:52
● 2026-03-29 13:49:34
○ 2026-03-29 19:37:40
○ 2026-04-26 02:43:24

○A3.171.153.1012026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-19 22:47:54
● 2026-04-20 05:51:00
○ 2026-04-20 09:02:40
○ 2026-04-26 02:43:24

○A3.171.153.212026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-19 22:47:54
● 2026-04-20 05:51:00
○ 2026-04-20 09:02:40
○ 2026-04-26 02:43:24

○A3.171.153.82026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-19 22:47:54
● 2026-04-20 05:51:00
○ 2026-04-20 09:02:40
○ 2026-04-26 02:43:24

○A3.171.153.922026-04-20 → 2026-04-20 · 4 obs

○ 2026-04-19 22:47:54
● 2026-04-20 05:51:00
○ 2026-04-20 09:02:40
○ 2026-04-26 02:43:24

○A54.230.79.1052026-03-31 → 2026-04-11 · 23 obs

○ 2026-03-31 03:27:34
● 2026-03-31 08:14:04
○ 2026-03-31 10:28:52
○ 2026-03-31 12:05:22
● 2026-03-31 17:37:30
○ 2026-04-01 01:38:12
● 2026-04-01 06:46:48
○ 2026-04-01 09:17:16
○ 2026-04-01 14:16:30
● 2026-04-01 15:03:54
○ 2026-04-01 19:14:30
○ 2026-04-03 02:20:54
● 2026-04-03 04:54:34
○ 2026-04-03 09:37:22
● 2026-04-03 16:13:04
○ 2026-04-03 18:33:34
● 2026-04-04 02:49:02
● 2026-04-04 13:48:16
○ 2026-04-04 17:25:48
○ 2026-04-11 03:56:18
● 2026-04-11 11:09:42
○ 2026-04-11 20:29:34
○ 2026-04-26 02:43:24

○A54.230.79.392026-03-31 → 2026-04-11 · 23 obs

○A54.230.79.42026-03-31 → 2026-04-11 · 23 obs

○A54.230.79.862026-03-31 → 2026-04-11 · 23 obs

○A99.84.215.102026-03-07 → 2026-03-20 · 20 obs

○ 2026-03-07 03:30:12
● 2026-03-07 11:28:22
● 2026-03-07 16:50:18
○ 2026-03-07 21:18:10
○ 2026-03-12 01:27:50
● 2026-03-12 06:38:34
○ 2026-03-12 07:34:58
○ 2026-03-14 14:28:28
● 2026-03-14 16:53:06
○ 2026-03-14 17:47:02
● 2026-03-14 20:26:20
● 2026-03-15 00:08:54
○ 2026-03-15 02:25:38
● 2026-03-15 06:33:48
● 2026-03-15 12:38:28
○ 2026-03-15 17:19:42
○ 2026-03-19 17:21:02
● 2026-03-20 04:20:42
○ 2026-03-20 06:02:36
○ 2026-04-26 02:43:24

○A99.84.215.1202026-03-07 → 2026-03-20 · 20 obs

○A99.84.215.302026-03-07 → 2026-03-20 · 20 obs

○A99.84.215.342026-03-07 → 2026-03-20 · 20 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
samsungknowledge.com	ns-212.awsdns-26.com, ns-637.awsdns-15.net, ns-1839.awsdns-37.co.uk, ns-1434.awsdns-51.org	2 records

✅ Authoritative Response

Server:205.251.194.125

NS records: ns-212.awsdns-26.com, ns-637.awsdns-15.net, ns-1839.awsdns-37.co.uk, ns-1434.awsdns-51.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for samsungknowledge.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.82.119, 13.33.82.4...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-212.awsdns-26.com, ns-212.awsdns-26.com)

Analysis

IP Addresses

api-promo.samsungknowledge.com points to four IP numbers: 13.33.82.4, 13.33.82.36, 13.33.82.81 and 13.33.82.119.

Other host names, for instance d18e0ic7bnxsls.cloudfront.net, buzzfeed-tagan.adlightning.com, rooftopmilieu.com, d3inpi300quem4.cloudfront.net and nuvola-analytics.com share IP numbers with api-promo.samsungknowledge.com.

api-promo.samsungknowledge.com - robtex.com