`knowbe4.ch`

DNSSEC	⚠️ Not signed
A	16.15.183.91^{🇺🇸 Amazon16.15.176.0/21 EC2 Prefix}
A	16.15.223.95^{🇺🇸 Amazon16.15.216.0/21 EC2 Prefix}
A	16.15.252.143^{🇺🇸 Amazon16.15.248.0/21 EC2 Prefix}
A	52.216.52.13^{🇺🇸 Amazon52.216.48.0/20 AWS S3}
A	52.216.208.213^{🇺🇸 Amazon52.216.208.0/20 AWS S3}
A	52.217.226.229^{🇺🇸 Amazon52.217.224.0/19 AWS S3}
A	54.231.135.141^{🇺🇸 Amazon54.231.128.0/19 prefix}
A	54.231.138.189^{🇺🇸 Amazon54.231.128.0/19 prefix}
NS	`ns-932.awsdns-52.net` ⭐
		A	2600:9000:5303:a400::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-932.awsdns-52.net`
		A	205.251.195.164^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-932.awsdns-52.net`
NS	`ns-1326.awsdns-37.org`
		A	2600:9000:5305:2e00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1326.awsdns-37.org`
		A	205.251.197.46^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1326.awsdns-37.org`
NS	`ns-2011.awsdns-59.co.uk`
		A	2600:9000:5307:db00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2011.awsdns-59.co.uk`
		A	205.251.199.219^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2011.awsdns-59.co.uk`
NS	`ns-306.awsdns-38.com`
		A	2600:9000:5301:3200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-306.awsdns-38.com`
		A	205.251.193.50^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-306.awsdns-38.com`
SOA	`ns-932.awsdns-52.net`awsdns-hostmaster@amazon.com serial=1

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-03-15 #15

Same first word

knowbe4.eu

knowbe4.pro

knowbe4.guru

knowbe4.cloud

knowbe4.info

knowbe4.org

knowbe4.ninja

knowbe4.com

knowbe4.ch

knowbe4.biz

knowbe4.me

knowbe4.co

knowbe4.ai

knowbe4.mobi

knowbe4.tv

knowbe4.de

knowbe4.net

knowbe4.at

knowbe4.blog

knowbe4.club

knowbe4.link

knowbe4.jp

knowbe4.us

Similar names

knwobe4.com

know4be.com

DNS History

28 records (12 active, 16 former)

●NSns-1326.awsdns-37.org2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 12:05:40
● 2026-03-22 13:59:12

●NSns-2011.awsdns-59.co.uk2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 12:05:40
● 2026-03-22 13:59:12

●NSns-306.awsdns-38.com2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 12:05:40
● 2026-03-22 13:59:12

●NSns-932.awsdns-52.net2026-03-17 → 2026-03-22 · 2 obs

● 2026-03-17 12:05:40
● 2026-03-22 13:59:12

○A16.15.183.1032026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

●A16.15.183.912026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A16.15.188.1532026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

○A16.15.191.72026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

○A16.15.199.1492026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

○A16.15.199.842026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

○A16.15.207.1362026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

●A16.15.223.952026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A16.15.228.732026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

●A16.15.252.1432026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A16.15.253.1012026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

○A16.182.108.132026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

○A3.5.24.2042026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

●A52.216.208.2132026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A52.216.50.1092026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

●A52.216.52.132026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A52.217.160.772026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

●A52.217.226.2292026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A54.231.130.52026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

●A54.231.135.1412026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

●A54.231.138.1892026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-19 05:47:34
● 2026-03-22 13:59:08
● 2026-03-22 13:59:12

○A54.231.173.132026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:05:40
○ 2026-03-19 05:47:34
○ 2026-03-22 13:59:12

○A54.231.193.1332026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

○A54.231.236.1012026-03-19 → 2026-03-19 · 4 obs

○ 2026-03-17 12:05:40
● 2026-03-19 05:47:34
○ 2026-03-22 13:59:08
○ 2026-03-22 13:59:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	10 records
knowbe4.ch	ns-306.awsdns-38.com, ns-1326.awsdns-37.org, ns-932.awsdns-52.net, ns-2011.awsdns-59.co.uk	-

✅ Authoritative Response

Server: 205.251.197.46

NS records: ns-306.awsdns-38.com, ns-1326.awsdns-37.org, ns-932.awsdns-52.net, ns-2011.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbe4.ch (unsigned zone)

⏱️ Timing

Total: 924ms | Queries: -

📄 Records

Type	Count	Sample Data
A	8	`16.15.207.20, 52.217.205.29...`
NS	4	`ns-1326.awsdns-37.org, ns-2011.awsdns-59.co.uk...`
SOA	1	`ns-932.awsdns-52.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.ch, b.nic.ch, d.nic.ch...)

Analysis

IP Addresses

knowbe4.ch resolves to eight IP numbers: 16.15.183.91, 16.15.223.95, 16.15.252.143, 52.216.52.13, 52.216.208.213, 52.217.226.229, 54.231.135.141 and 54.231.138.189.

Other host names, for instance pbnjay.com, beazleyandbeazley.com, acadiaresourcegroup.com, savewaterga.org and bsmtuncl.com share IP numbers with knowbe4.ch.

Name Servers

knowbe4.ch delegates to four name servers: ns-306.awsdns-38.com, ns-932.awsdns-52.net, ns-1326.awsdns-37.org and ns-2011.awsdns-59.co.uk.

knowbe4.ch at least partially shares name servers with other domains, including mocachi.net, d3po07p0xv5eig.cloudfront.net, valacct.com, mcmahangroup.com and d1qd28x8xf6juu.cloudfront.net.

These name servers are commonly used with ns-92.awsdns-11.com, ns-621.awsdns-13.net and ns-1375.awsdns-43.org.

Host names with two IP numbers: ns-306.awsdns-38.com points to 2600:9000:5301:3200::1 and 205.251.193.50; ns-932.awsdns-52.net points to 2600:9000:5303:a400::1 and 205.251.195.164; ns-1326.awsdns-37.org points to 2600:9000:5305:2e00::1 and 205.251.197.46; ns-2011.awsdns-59.co.uk points to 2600:9000:5307:db00::1 and 205.251.199.219.

knowbe4.ch - robtex.com

knowbe4.ch

ch

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`knowbe4.ch`

`ch`