`kb4vault-dev.internal.knowbe4.com`

DNSSEC	⚠️ Not signed
A	13.35.107.3^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
		PTR	`server-13-35-107-3.phl51.r.cloudfront.net`
A	13.35.107.14^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.37^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
A	13.35.107.92^{🇺🇸 Amazon13.35.107.0/24 -Cloudfront}
NS	`ns-1875.awsdns-42.co.uk` ⭐
		A	2600:9000:5307:5300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1875.awsdns-42.co.uk`
		A	205.251.199.83^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1875.awsdns-42.co.uk`
NS	`ns-1029.awsdns-00.org`
		A	2600:9000:5304:500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1029.awsdns-00.org`
		A	205.251.196.5^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1029.awsdns-00.org`
NS	`ns-266.awsdns-33.com`
		A	2600:9000:5301:a00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-266.awsdns-33.com`
		A	205.251.193.10^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-266.awsdns-33.com`
NS	`ns-625.awsdns-14.net`
		A	2600:9000:5302:7100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-625.awsdns-14.net`
		A	205.251.194.113^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-625.awsdns-14.net`
SOA	`ns-1875.awsdns-42.co.uk`awsdns-hostmaster@amazon.com serial=1

`internal.knowbe4.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-451.awsdns-56.com` ⭐
	NS	`ns-1015.awsdns-62.net`
	NS	`ns-1248.awsdns-28.org`
	NS	`ns-1619.awsdns-10.co.uk`
	SOA	`ns-451.awsdns-56.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (62/100)

DNS History

40 records (8 active, 32 former)

●NSns-1029.awsdns-00.org2026-06-10 → 2026-07-14 · 2 obs

● 2026-06-10 19:07:38
● 2026-07-14 10:28:02

●NSns-1875.awsdns-42.co.uk2026-06-10 → 2026-07-14 · 2 obs

● 2026-06-10 19:07:38
● 2026-07-14 10:28:02

●NSns-266.awsdns-33.com2026-06-10 → 2026-07-14 · 2 obs

● 2026-06-10 19:07:38
● 2026-07-14 10:28:02

●NSns-625.awsdns-14.net2026-06-10 → 2026-07-14 · 2 obs

● 2026-06-10 19:07:38
● 2026-07-14 10:28:02

○A108.156.85.102026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-30 22:40:32
● 2026-07-01 04:23:22
○ 2026-07-01 15:48:56
○ 2026-07-14 10:28:02

○A108.156.85.1172026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-30 22:40:32
● 2026-07-01 04:23:22
○ 2026-07-01 15:48:56
○ 2026-07-14 10:28:02

○A108.156.85.1192026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-30 22:40:32
● 2026-07-01 04:23:22
○ 2026-07-01 15:48:56
○ 2026-07-14 10:28:02

○A108.156.85.182026-07-01 → 2026-07-01 · 4 obs

○ 2026-06-30 22:40:32
● 2026-07-01 04:23:22
○ 2026-07-01 15:48:56
○ 2026-07-14 10:28:02

○A13.33.235.352026-07-11 → 2026-07-13 · 10 obs

○ 2026-07-11 00:37:48
● 2026-07-11 17:53:14
○ 2026-07-11 21:01:22
● 2026-07-12 06:53:02
○ 2026-07-12 09:31:54
● 2026-07-13 12:02:20
○ 2026-07-13 12:42:26
● 2026-07-13 16:43:00
○ 2026-07-13 19:34:32
○ 2026-07-14 10:28:02

○A13.33.235.462026-07-11 → 2026-07-13 · 10 obs

○A13.33.235.762026-07-11 → 2026-07-13 · 10 obs

○A13.33.235.952026-07-11 → 2026-07-13 · 10 obs

●A13.35.107.142026-07-13 → 2026-07-14 · 7 obs

○ 2026-07-13 12:02:20
● 2026-07-13 12:42:26
○ 2026-07-13 13:45:04
● 2026-07-13 19:34:32
○ 2026-07-13 21:08:26
● 2026-07-14 10:28:00
● 2026-07-14 10:28:02

●A13.35.107.32026-07-13 → 2026-07-14 · 7 obs

○ 2026-07-13 12:02:20
● 2026-07-13 12:42:26
○ 2026-07-13 13:45:04
● 2026-07-13 19:34:32
○ 2026-07-13 21:08:26
● 2026-07-14 10:28:00
● 2026-07-14 10:28:02

●A13.35.107.372026-07-13 → 2026-07-14 · 7 obs

○ 2026-07-13 12:02:20
● 2026-07-13 12:42:26
○ 2026-07-13 13:45:04
● 2026-07-13 19:34:32
○ 2026-07-13 21:08:26
● 2026-07-14 10:28:00
● 2026-07-14 10:28:02

●A13.35.107.922026-07-13 → 2026-07-14 · 7 obs

○ 2026-07-13 12:02:20
● 2026-07-13 12:42:26
○ 2026-07-13 13:45:04
● 2026-07-13 19:34:32
○ 2026-07-13 21:08:26
● 2026-07-14 10:28:00
● 2026-07-14 10:28:02

○A143.204.204.1102026-06-30 → 2026-07-01 · 12 obs

○ 2026-06-30 03:54:32
● 2026-06-30 08:00:48
○ 2026-06-30 09:45:12
● 2026-06-30 16:00:48
○ 2026-06-30 21:52:40
● 2026-06-30 22:40:32
○ 2026-07-01 04:23:22
● 2026-07-01 15:48:56
○ 2026-07-01 16:22:16
● 2026-07-01 17:58:46
○ 2026-07-01 21:54:50
○ 2026-07-14 10:28:02

○A143.204.204.1122026-06-30 → 2026-07-01 · 12 obs

○A143.204.204.1172026-06-30 → 2026-07-01 · 12 obs

○A143.204.204.422026-06-30 → 2026-07-01 · 12 obs

○A18.160.78.1172026-06-18 → 2026-07-01 · 26 obs

○ 2026-06-18 11:08:16
● 2026-06-18 12:00:34
○ 2026-06-18 12:52:22
● 2026-06-18 16:00:50
○ 2026-06-19 14:07:56
● 2026-06-20 20:00:34
○ 2026-06-20 21:10:40
● 2026-06-24 00:00:34
○ 2026-06-24 02:51:16
● 2026-06-24 03:54:04
○ 2026-06-24 05:24:36
● 2026-06-24 11:42:56
○ 2026-06-24 15:18:02
● 2026-06-25 12:00:46
○ 2026-06-26 03:58:22
● 2026-06-26 20:03:42
○ 2026-06-27 17:10:02
● 2026-06-28 00:00:36
○ 2026-06-28 05:15:38
● 2026-06-28 15:29:46
○ 2026-06-29 03:13:12
● 2026-06-29 19:34:06
○ 2026-06-29 22:51:26
● 2026-07-01 21:54:50
○ 2026-07-02 15:46:14
○ 2026-07-14 10:28:02

○A18.160.78.152026-06-18 → 2026-07-01 · 26 obs

○A18.160.78.732026-06-18 → 2026-07-01 · 26 obs

○A18.160.78.792026-06-18 → 2026-07-01 · 26 obs

○A18.164.174.1142026-07-03 → 2026-07-10 · 18 obs

○ 2026-07-03 19:27:16
● 2026-07-03 23:18:24
○ 2026-07-04 00:18:06
● 2026-07-04 16:46:04
○ 2026-07-04 19:02:00
● 2026-07-05 01:24:44
○ 2026-07-05 02:36:46
● 2026-07-05 06:30:38
○ 2026-07-05 08:10:08
● 2026-07-05 09:57:10
○ 2026-07-07 10:35:46
● 2026-07-09 00:28:58
○ 2026-07-09 03:08:40
● 2026-07-09 12:06:14
○ 2026-07-09 12:41:34
● 2026-07-10 23:56:36
○ 2026-07-11 00:37:48
○ 2026-07-14 10:28:02

○A18.164.174.1222026-07-03 → 2026-07-10 · 18 obs

○A18.164.174.592026-07-03 → 2026-07-10 · 18 obs

○A18.164.174.672026-07-03 → 2026-07-10 · 18 obs

○A3.167.112.412026-06-14 → 2026-07-04 · 43 obs

○ 2026-06-12 20:00:40
● 2026-06-14 11:01:18
○ 2026-06-14 13:30:00
● 2026-06-14 18:44:38
○ 2026-06-15 03:39:30
○ 2026-06-15 12:58:00
● 2026-06-15 13:59:06
○ 2026-06-15 17:57:16
○ 2026-06-16 11:57:32
● 2026-06-16 17:02:22
● 2026-06-16 23:04:32
○ 2026-06-17 05:33:50
● 2026-06-18 12:52:22
○ 2026-06-18 14:59:54
● 2026-06-19 14:07:56
○ 2026-06-19 14:52:14
● 2026-06-19 15:30:42
○ 2026-06-20 10:48:22
● 2026-06-20 21:10:40
○ 2026-06-21 11:16:54
● 2026-06-22 02:28:50
○ 2026-06-23 20:57:44
● 2026-06-24 10:44:44
○ 2026-06-24 11:42:56
● 2026-06-25 00:21:50
○ 2026-06-25 00:53:50
● 2026-06-26 03:58:22
○ 2026-06-26 20:03:42
● 2026-06-29 06:10:16
○ 2026-06-29 18:28:00
● 2026-06-29 22:51:26
○ 2026-06-30 03:54:32
● 2026-06-30 13:06:22
○ 2026-06-30 13:38:38
● 2026-07-01 16:22:16
○ 2026-07-01 17:58:46
● 2026-07-02 15:46:14
○ 2026-07-03 01:50:04
● 2026-07-03 02:31:38
○ 2026-07-03 19:27:16
● 2026-07-04 06:13:06
○ 2026-07-04 13:51:10
○ 2026-07-14 10:28:02

○A3.167.112.442026-06-14 → 2026-07-04 · 43 obs

○A3.167.112.732026-06-14 → 2026-07-04 · 43 obs

○A3.167.112.802026-06-14 → 2026-07-04 · 43 obs

○A54.240.184.1242026-06-10 → 2026-07-13 · 53 obs

● 2026-06-10 19:07:38
● 2026-06-11 01:53:08
○ 2026-06-11 09:01:12
● 2026-06-12 15:40:24
○ 2026-06-12 20:00:40
○ 2026-06-14 11:01:18
● 2026-06-14 13:30:00
○ 2026-06-14 18:44:38
● 2026-06-15 03:39:30
○ 2026-06-15 11:08:52
● 2026-06-15 12:58:00
○ 2026-06-15 13:59:06
○ 2026-06-16 01:03:06
● 2026-06-16 03:31:06
● 2026-06-16 11:57:32
○ 2026-06-16 17:02:22
○ 2026-06-17 05:33:50
● 2026-06-17 08:00:40
● 2026-06-17 12:34:06
○ 2026-06-17 13:46:12
● 2026-06-30 21:52:40
○ 2026-06-30 22:40:32
● 2026-07-03 01:50:04
○ 2026-07-03 02:31:38
● 2026-07-03 19:27:16
○ 2026-07-03 23:18:24
● 2026-07-04 00:18:06
○ 2026-07-04 06:13:06
● 2026-07-04 13:51:10
○ 2026-07-04 16:46:04
● 2026-07-04 19:02:00
○ 2026-07-05 01:24:44
● 2026-07-05 02:36:46
○ 2026-07-05 06:30:38
● 2026-07-05 08:10:08
○ 2026-07-05 09:57:10
● 2026-07-07 10:35:46
○ 2026-07-09 00:28:58
● 2026-07-09 03:08:40
○ 2026-07-09 12:06:14
● 2026-07-09 12:41:34
○ 2026-07-10 23:56:36
● 2026-07-11 00:37:48
○ 2026-07-11 17:53:14
● 2026-07-11 21:01:22
○ 2026-07-12 06:53:02
● 2026-07-12 09:31:54
○ 2026-07-13 11:32:12
● 2026-07-13 13:45:04
○ 2026-07-13 16:43:00
● 2026-07-13 21:08:26
○ 2026-07-14 10:28:00
○ 2026-07-14 10:28:02

○A54.240.184.552026-06-10 → 2026-07-13 · 53 obs

○A54.240.184.562026-06-10 → 2026-07-13 · 53 obs

○A54.240.184.702026-06-10 → 2026-07-13 · 53 obs

○A99.86.91.1052026-06-11 → 2026-07-13 · 54 obs

○ 2026-06-11 01:53:08
● 2026-06-11 09:01:12
○ 2026-06-12 15:40:24
● 2026-06-12 20:00:40
○ 2026-06-14 11:01:18
○ 2026-06-15 03:39:30
● 2026-06-15 11:08:52
○ 2026-06-15 12:58:00
○ 2026-06-15 13:59:06
● 2026-06-15 17:57:16
● 2026-06-16 01:03:06
○ 2026-06-16 03:31:06
○ 2026-06-16 23:04:32
● 2026-06-17 05:33:50
○ 2026-06-17 08:00:40
○ 2026-06-17 12:34:06
● 2026-06-17 13:46:12
● 2026-06-18 11:08:16
○ 2026-06-18 12:00:34
● 2026-06-18 14:59:54
○ 2026-06-18 16:00:50
● 2026-06-19 14:52:14
○ 2026-06-19 15:30:42
● 2026-06-20 10:48:22
○ 2026-06-20 20:00:34
● 2026-06-21 11:16:54
○ 2026-06-22 02:28:50
● 2026-06-23 20:57:44
○ 2026-06-24 00:00:34
● 2026-06-24 02:51:16
○ 2026-06-24 03:54:04
● 2026-06-24 05:24:36
○ 2026-06-24 10:44:44
● 2026-06-25 00:53:50
○ 2026-06-25 12:00:46
● 2026-06-27 17:10:02
○ 2026-06-27 20:00:44
● 2026-06-27 20:33:08
○ 2026-06-28 00:00:36
● 2026-06-28 05:15:38
○ 2026-06-28 15:29:46
● 2026-06-29 03:13:12
○ 2026-06-29 06:10:16
● 2026-06-29 18:28:00
○ 2026-06-29 19:34:06
● 2026-06-30 03:54:32
○ 2026-06-30 08:00:48
● 2026-06-30 09:45:12
○ 2026-06-30 13:06:22
● 2026-06-30 13:38:38
○ 2026-06-30 16:00:48
● 2026-07-13 11:32:12
○ 2026-07-13 12:02:20
○ 2026-07-14 10:28:02

○A99.86.91.1212026-06-11 → 2026-07-13 · 54 obs

○A99.86.91.302026-06-11 → 2026-07-13 · 54 obs

○A99.86.91.582026-06-11 → 2026-07-13 · 54 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowbe4.com	ns-38.awsdns-04.com, ns-853.awsdns-42.net, ns-1036.awsdns-01.org, ns-1882.awsdns-43.co.uk	2 records
internal.knowbe4.com	ns-1015.awsdns-62.net, ns-1248.awsdns-28.org, ns-1619.awsdns-10.co.uk, ns-451.awsdns-56.com	-
kb4vault-dev.internal.knowbe4.com	ns-1029.awsdns-00.org, ns-1875.awsdns-42.co.uk, ns-266.awsdns-33.com, ns-625.awsdns-14.net	-

✅ Authoritative Response

Server:205.251.194.113

NS records: ns-1029.awsdns-00.org, ns-1875.awsdns-42.co.uk, ns-266.awsdns-33.com, ns-625.awsdns-14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for internal.knowbe4.com (unsigned zone)

⏱️ Timing

Total: 1609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.107.37, 13.35.107.14...`
NS	4	`ns-1029.awsdns-00.org, ns-1875.awsdns-42.co.uk...`
SOA	1	`ns-1875.awsdns-42.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-38.awsdns-04.com, ns-38.awsdns-04.com)

Analysis

IP Addresses

kb4vault-dev.internal.knowbe4.com directs to four IP numbers, which are 13.35.107.3, 13.35.107.14, 13.35.107.37 and 13.35.107.92.

returntostudio.com, thealtimate.deviantart.com, kusoglife.com plus two other host names have IP numbers in common with kb4vault-dev.internal.knowbe4.com.

Name Servers

Four name servers handle the delegation for kb4vault-dev.internal.knowbe4.com: ns-266.awsdns-33.com, ns-625.awsdns-14.net, ns-1029.awsdns-00.org and ns-1875.awsdns-42.co.uk.

There is at least partial name server overlap between kb4vault-dev.internal.knowbe4.com and other domains — jchpn.com, bektas.org, cybersim.io and two more among them.

All four hostnames — ns-266.awsdns-33.com, ns-625.awsdns-14.net, ns-1029.awsdns-00.org and ns-1875.awsdns-42.co.uk — resolve to two IP numbers apiece: ns-266.awsdns-33.com to 205.251.193.10 and 2600:9000:5301:a00::1; ns-625.awsdns-14.net to 205.251.194.113 and 2600:9000:5302:7100::1; ns-1029.awsdns-00.org to 205.251.196.5 and 2600:9000:5304:500::1; ns-1875.awsdns-42.co.uk to 205.251.199.83 and 2600:9000:5307:5300::1.

kb4vault-dev.internal.knowbe4.com - robtex.com