knowbe4.be - dns.ninja

knowbe4.be

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5176🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bd51🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.118Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.81🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmarek.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A2803:f800:50::6ca2:c1ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarek.ns.cloudflare.com
A2a06:98c1:50::ac40:21ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarek.ns.cloudflare.com
A108.162.193.202🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A172.64.33.202🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
A173.245.59.202🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarek.ns.cloudflare.com
NSnena.ns.cloudflare.com
A2606:4700:50::a29f:26a1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A2803:f800:50::6ca2:c2a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnena.ns.cloudflare.com
A2a06:98c1:50::ac40:22a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnena.ns.cloudflare.com
A108.162.194.161🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A172.64.34.161🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.118, 172.67.189.81
IPv6 hints2606:4700:3035::6815:5176, 2606:4700:3035::ac43:bd51
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOAmarek.ns.cloudflare.comdns@cloudflare.com serial=2410988889

be

DNSSEC🔒 Signed (DS record present)
NSa.nsset.be ⭐
NSb.nsset.be
NSc.nsset.be
NSd.nsset.be
NSy.nsset.be
NSz.nsset.be
SOAa.nsset.bebe-hostmaster@dnsbelgium.be serial=1028256314

Same first word

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knowbe4.live
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knowbe4.info
knowbe4.org
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knowbe4.jp
knowbe4.com.cn
knowbe4.work
knowbe4.us
knowbe4.sk

Similar names

know4be.com
knwobe4.com

DNS History

12 records (6 active, 6 former)

NSmarek.ns.cloudflare.comnena.ns.cloudflare.comA104.21.81.118172.67.189.812606:4700:3035::6815:51762606:4700:3035::ac43:bd51188.114.96.0188.114.97.02606:4700:3030::6815:51762606:4700:3030::ac43:bd512a06:98c1:3120::2a06:98c1:3121::
●NSmarek.ns.cloudflare.com2026-06-10 → 2026-08-05 · 2 obs
● 2026-06-10 16:51:38
● 2026-08-05 13:20:38
●NSnena.ns.cloudflare.com2026-06-10 → 2026-08-05 · 2 obs
● 2026-06-10 16:51:38
● 2026-08-05 13:20:38
●A104.21.81.1182026-06-10 → 2026-08-05 · 4 obs
● 2026-06-10 16:51:38
○ 2026-06-21 05:57:22
● 2026-08-04 11:38:28
● 2026-08-05 13:20:38
●A172.67.189.812026-06-10 → 2026-08-05 · 4 obs
● 2026-06-10 16:51:38
○ 2026-06-21 05:57:22
● 2026-08-04 11:38:28
● 2026-08-05 13:20:38
○A188.114.96.02026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-10 16:51:38
● 2026-06-21 05:57:22
○ 2026-08-04 11:38:28
○ 2026-08-05 13:20:38
○A188.114.97.02026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-10 16:51:38
● 2026-06-21 05:57:22
○ 2026-08-04 11:38:28
○ 2026-08-05 13:20:38
○A2606:4700:3030::6815:51762026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 16:51:38
○ 2026-06-21 05:57:22
○ 2026-08-05 13:20:38
○A2606:4700:3030::ac43:bd512026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 16:51:38
○ 2026-06-21 05:57:22
○ 2026-08-05 13:20:38
●A2606:4700:3035::6815:51762026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-21 05:57:22
● 2026-08-04 11:38:28
● 2026-08-05 13:20:38
●A2606:4700:3035::ac43:bd512026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-21 05:57:22
● 2026-08-04 11:38:28
● 2026-08-05 13:20:38
○A2a06:98c1:3120::2026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-10 16:51:38
● 2026-06-21 05:57:22
○ 2026-08-04 11:38:28
○ 2026-08-05 13:20:38
○A2a06:98c1:3121::2026-06-21 → 2026-06-21 · 4 obs
○ 2026-06-10 16:51:38
● 2026-06-21 05:57:22
○ 2026-08-04 11:38:28
○ 2026-08-05 13:20:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bea.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be...-
knowbe4.benena.ns.cloudflare.com, marek.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.202

NS records: nena.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbe4.be (unsigned zone)

⏱️ Timing

Total: 1455ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.81.118, 172.67.189.81
AAAA22606:4700:3035::6815:5176, 2606:4700:3035::ac43:bd51
NS2marek.ns.cloudflare.com, nena.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1marek.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

knowbe4.be has four IP addresses: 104.21.81.118, 172.67.189.81, 2606:4700:3035::6815:5176 and 2606:4700:3035::ac43:bd51.

Two other host names, along with 160566.com, 888poker-bangla.com and thot(0x706f726e).tv, also share IP numbers with knowbe4.be.

Name Servers

knowbe4.be is served by two delegated name servers, marek.ns.cloudflare.com and nena.ns.cloudflare.com.

knowbe4.be shares its NS records with other domains, for example bavin.sbs, wurel.sbs, xobin.sbs and two others.

knowbe4.be has at least partial name server overlap with other domains, such as kajadjbfojuad.sbs, hzgzjy.com, dmark-laser.com and two others.

It is common to find these name servers paired with the name servers harlan.ns.cloudflare.com.

DNS names with 6 IP addresses:

marek.ns.cloudflare.com carries IP addresses 108.162.193.202, 172.64.33.202 and 173.245.59.202, with 3 other addresses beyond those.

nena.ns.cloudflare.com carries IP addresses 108.162.194.161, 162.159.38.161 and 172.64.34.161, with 3 other addresses beyond those.