Check-Host.cc

Domen

knowbe4.com

Agregirano iz javnih BGP feedova, CT logova, našeg sloja skeniranja, honeypota i globalnih proba.

Run a live full scan of knowbe4.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
175
A/AAAA targets
Subdomains
163
CT + scan + body
Record Types
4
seen in DNS
Observed Certs
9
in our scans

DNS zapisi

A
108.156.60.16, 108.156.60.33, 108.156.60.52, 108.156.60.56, 13.227.173.11, 13.227.173.63, 13.227.173.66, 13.227.173.77
AAAA
MX
1 aspmx.l.google.com, 10 aspmx2.googlemail.com, 10 aspmx3.googlemail.com, 10 aspmx4.googlemail.com, 10 aspmx5.googlemail.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com
NS
ns-1036.awsdns-01.org, ns-1882.awsdns-43.co.uk, ns-38.awsdns-04.com, ns-853.awsdns-42.net
TXT
19e0be4ea5354278ae7eacfc48bedb9b, 7bbdc96bfd404e609c241bb7a3210cc3, MS=ms32168056, adobe-idp-site-verification=370d08217eb4fd02ec25c8b9d1e4062ff87e4273d282e12f4995ea4e269c6160, adobe-sign-verification=600d5d8d4ae04f20e7d625c21e96ec48, amazonses:i7kVVveQqrOBBAmbA4eYXUtjyQz27rfUdUdlUdEjHjU=, anthropic-domain-verification-gcynk1=3VVkzpvdUPpZYTTCvZEyX4Ioc, apple-domain-verification=qmAh14g4OX1bkue8
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomeni

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain Resolves to Last seen
knowbe4.com 2026-07-25 06:56:23.305
psm.knowbe4.com 2026-06-19 09:36:10.045
bpt.knowbe4.com 2026-07-17 09:02:47.521
ccm.knowbe4.com 2026-06-19 23:02:42.612
de.knowbe4.com 2026-06-02 20:54:45.964
kws.internal.knowbe4.com 2026-06-19 15:10:34.006
phisher.knowbe4.com 2026-06-04 15:44:22.775
sentry-analyst-dev.internal.knowbe4.com 2026-06-14 23:52:20.226
sentry-analyst.internal.knowbe4.com 2026-06-15 20:01:22.027
training-staging.knowbe4.com 2026-06-17 15:51:48.166
training.knowbe4.com 2026-06-23 00:47:34.149
updates.knowbe4.com 2026-06-02 16:51:59.658
phishingtemplate.demo.ai.internal.knowbe4.com 2026-06-01 13:07:04.530
au.kes.knowbe4.com 2026-07-28 01:55:48.740
auth.knowbe4.com 2026-06-17 03:34:12.852
ca.knowbe4.com 2026-05-31 06:35:40.821
eu.knowbe4.com 2026-06-04 07:42:57.372
hydra.us.ai.internal.knowbe4.com 2026-07-16 05:14:33.092
info.knowbe4.com 2026-06-19 15:00:29.894
kws-staging.internal.knowbe4.com 2026-05-27 04:14:48.202
piq.knowbe4.com 2026-06-15 17:36:19.574
popcorntraining.knowbe4.com 2026-06-17 23:26:12.995
static.knowbe4.com 2026-06-20 07:45:49.119
uk.knowbe4.com 2026-06-02 20:54:45.964
wpt.knowbe4.com 2026-06-17 03:34:12.852
www.knowbe4.com 2026-07-20 01:31:52.254
do-not-click-this.knowbe4.com 2026-06-04 07:42:57.372
teleport.private.knowbe4.com 2026-05-26 14:06:33.508
billing.knowbe4.com 2026-06-20 04:37:47.147
docker.internal.knowbe4.com 2026-06-16 23:43:38.114
eu.kes.knowbe4.com 2026-06-19 15:00:29.894
gitlab-staging.internal.knowbe4.com 2026-05-27 00:27:49.664
gitlab.internal.knowbe4.com 2026-07-28 04:18:08.089
support.knowbe4.com 2026-07-18 19:38:18.481
us.kes.knowbe4.com 2026-06-19 15:00:29.894
api.knowbe4.com
1970-01-01 00:00:00.000
athens.internal.knowbe4.com
1970-01-01 00:00:00.000
bpi.knowbe4.com
1970-01-01 00:00:00.000
breachsim.knowbe4.com
1970-01-01 00:00:00.000
btb.private.knowbe4.com
1970-01-01 00:00:00.000
centurion-defend-dev3.internal.knowbe4.com
1970-01-01 00:00:00.000
devex-dev.private.knowbe4.com
1970-01-01 00:00:00.000
devex.private.knowbe4.com
1970-01-01 00:00:00.000
domainquiz.knowbe4.com
1970-01-01 00:00:00.000
doppelganger.knowbe4.com
1970-01-01 00:00:00.000
dst.knowbe4.com
1970-01-01 00:00:00.000
eecpro.knowbe4.com
1970-01-01 00:00:00.000
engineering.internal.knowbe4.com
1970-01-01 00:00:00.000
eu.ai.knowbe4.com
1970-01-01 00:00:00.000
events.knowbe4.com
1970-01-01 00:00:00.000
home.knowbe4.com
1970-01-01 00:00:00.000
hrm.knowbe4.com
1970-01-01 00:00:00.000
identity.private.knowbe4.com
1970-01-01 00:00:00.000
internal.knowbe4.com
1970-01-01 00:00:00.000
jira-connect.internal.knowbe4.com
1970-01-01 00:00:00.000
keywest-staging.internal.knowbe4.com
1970-01-01 00:00:00.000
kmsat.internal.knowbe4.com
1970-01-01 00:00:00.000
knowster-dev.private.knowbe4.com
1970-01-01 00:00:00.000
knowster.private.knowbe4.com
1970-01-01 00:00:00.000
links.cyberheistnewsletter.knowbe4.com
1970-01-01 00:00:00.000
lx-model-api.knowbe4.com
1970-01-01 00:00:00.000
management-api.oes.knowbe4.com
1970-01-01 00:00:00.000
masa.knowbe4.com
1970-01-01 00:00:00.000
modstore.knowbe4.com
1970-01-01 00:00:00.000
orion.knowbe4.com
1970-01-01 00:00:00.000
pab-api.knowbe4.com
1970-01-01 00:00:00.000
pab-datadog.knowbe4.com
1970-01-01 00:00:00.000
phishalert-releases.knowbe4.com
1970-01-01 00:00:00.000
phishingtemplate.ca.ai.internal.knowbe4.com
1970-01-01 00:00:00.000
phishingtemplate.eu.ai.internal.knowbe4.com
1970-01-01 00:00:00.000
phishingtemplate.uk.ai.internal.knowbe4.com
1970-01-01 00:00:00.000
phishrex.knowbe4.com
1970-01-01 00:00:00.000
platform.knowbe4.com
1970-01-01 00:00:00.000
pma.knowbe4.com
1970-01-01 00:00:00.000
prod-au.login.identity.knowbe4.com
1970-01-01 00:00:00.000
prod-demo-uk.login.identity.knowbe4.com
1970-01-01 00:00:00.000
prod-us.login.identity.knowbe4.com
1970-01-01 00:00:00.000
quiz.demo.ai.internal.knowbe4.com
1970-01-01 00:00:00.000
reporting.hrm.knowbe4.com
1970-01-01 00:00:00.000
research.knowbe4.com
1970-01-01 00:00:00.000
sandbox.private.knowbe4.com
1970-01-01 00:00:00.000
sc.knowbe4.com
1970-01-01 00:00:00.000
scim.knowbe4.com
1970-01-01 00:00:00.000
set.internal.knowbe4.com
1970-01-01 00:00:00.000
status.knowbe4.com
1970-01-01 00:00:00.000
threat-insights.knowbe4.com
1970-01-01 00:00:00.000
trds.knowbe4.com
1970-01-01 00:00:00.000
trust.knowbe4.com
1970-01-01 00:00:00.000
vendor.ca.knowbe4.com
1970-01-01 00:00:00.000
vendor.de.knowbe4.com
1970-01-01 00:00:00.000
vendor.demo.knowbe4.com
1970-01-01 00:00:00.000
vendor.eu.knowbe4.com
1970-01-01 00:00:00.000
vendor.training.knowbe4.com
1970-01-01 00:00:00.000
vendor.uk.knowbe4.com
1970-01-01 00:00:00.000
vishing.knowbe4.com 2026-06-01 05:27:27.880

Tehnološki stek

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS sertifikati

Subject: training.knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, *.training.knowbe4.com, knowbe4.com, training.knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: kb4compliance.com, knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: kb4compliance.com, knowbe4.com
Subject: training.knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, *.training.knowbe4.com, knowbe4.com, training.knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, knowbe4.com
Subject: training.knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, *.training.knowbe4.com, knowbe4.com, training.knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: *.knowbe4.com, knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, knowbe4.com
Subject: training.knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, *.training.knowbe4.com, knowbe4.com, training.knowbe4.com
Subject: training.knowbe4.com
Issuer: Amazon RSA 2048 M04
SANs: *.knowbe4.com, *.training.knowbe4.com, knowbe4.com, training.knowbe4.com
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: kb4compliance.com, knowbe4.com

IPs Citing This Domain

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

49.228.138.239:443 href · ×1

Origin / IP-Leak

USP

Kada je hostname serviran iza CDN-a (npr. Cloudflare), origin server se ponekad može identifikovati podudaranjem TLS sertifikata sa zaštićenim hostname-om. Nalazi prikazani ovde su heuristički kandidati, a ne garancija.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

734fbaf68adb42fd… google · xenon2026h2
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: knowbe4.com, *.knowbe4.com
Valid: 2026-03-04 00:00:00 → 2026-09-17 23:59:59
2728b83ab6d12ad7… google · argon2026h2
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: knowbe4.com, *.knowbe4.com
Valid: 2025-10-15 00:00:00 → 2026-11-12 23:59:59
2728b83ab6d12ad7… cloudflare · nimbus2026
Subject: knowbe4.com
Issuer: Amazon RSA 2048 M01
SANs: knowbe4.com, *.knowbe4.com
Valid: 2025-10-15 00:00:00 → 2026-11-12 23:59:59

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

Istorija

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
TXT anthropic-domain-verification-gcynk1=3VVkzpvdUPpZYTTCvZEyX4Ioc 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 10 aspmx4.googlemail.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT openai-domain-verification=dv-dBBvIXDgY5ZxPl4tCjIHaNRq 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 10 aspmx5.googlemail.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT 19e0be4ea5354278ae7eacfc48bedb9b 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT mongodb-site-verification=CLB4dkKYnXU5G5xERSrl2N0XPr9EUX3a 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT v=spf1 include:mailsenders.netsuite.com include:_spf.google.com include:mail.zendesk.com include:stspg-customer.com ip4:23.21.109.212 ip4:23.21.109.197 ip4:52.49.201.246 ip4:52.49.235.189 ip4:54.172.84.90 ip4:147.160.167.0/24 ip4:168.235.226.71 ip4:168.235.226.72 ip4:168.235.226.73 ip4:168.235.226.74 ip4:168.235.233.211 ip4:168.235.233.212 ip4:168.235.233.213 ip4:192.254.121.248 ip4:167.89.63.53 ip4:167.89.111.118 exists:%{i}._spf.mta.salesforce.com -all 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
NS ns-853.awsdns-42.net 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT wiz-domain-verification=e6478bb3edd119aa3e701c038708e3cb1f0f13e7691fc7b2b488592070ae6366 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT google-site-verification=3Hie3OelJT_rJykvur3IxPN50L9mAmpstgWQu7g7rbQ 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT docker-verification=e9e873bd-4dc8-437e-9718-93ee84b39448 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 10 aspmx3.googlemail.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT pendo-domain-verification=02b2333b-3f4f-40ef-9659-408cec8ee1a3 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT mixpanel-domain-verify=bc139ab5-6f4e-41a7-b7cd-d13f89aa8710 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT 7bbdc96bfd404e609c241bb7a3210cc3 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT bhd25m1n5fj8h8c4bchk43oeb4 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT zapier-domain-verification-challenge=67e81d94-81d3-44c1-bb5b-f278a3ed32ca 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
A 3.167.227.17 2026-05-25 23:59:40.866 2026-06-25 15:48:18.559
TXT wiz-domain-verification=80d80bf3b6c164a1fd91b8150e90ba3d504058315fd7c7245a9d0f480e5f1618 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
A 3.167.227.52 2026-05-25 23:59:40.866 2026-06-25 15:48:18.559
TXT atlassian-domain-verification=OcPNSCfFoB9IocbkPrVxgaTPH2lCVlhD1MeWq//30V3aX05otEbViZRN5iaLjPWK 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT google-site-verification=gzYt5XSP0eQeEkG99s_UNqSrR89qfnCg6f3uFz0v8wY 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT adobe-sign-verification=600d5d8d4ae04f20e7d625c21e96ec48 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
A 3.167.227.3 2026-05-25 23:59:40.866 2026-06-25 15:48:18.559
TXT google-site-verification=WrBl38sScepa-oAzO5AlDr6qeJqHniarCDURkDMLpQs 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT g4l3bgqre4hkae8dfmm4v1q4je 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
NS ns-1882.awsdns-43.co.uk 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT google-site-verification=EJTeC07BGnS6X2PWc5FoEbPRt8T91Y4-lhZW7RLxS-c 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
NS ns-1036.awsdns-01.org 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT jamf-site-verification=RIg8eN5i9Iok12Yr5DejHw 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT zapier-domain-verification-challenge=f1426c5b-21d2-4bc7-82dd-e74d108c77c8 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 10 aspmx2.googlemail.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT google-site-verification=0aAUofkA6qAxk_uYttw0L4RjiIWAGL8-x-_pybvGhVo 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
A 3.167.227.100 2026-05-25 23:59:40.866 2026-06-25 15:48:18.559
TXT MS=ms32168056 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 5 alt2.aspmx.l.google.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT status-page-domain-verification=mncmp25mgt7j 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
NS ns-38.awsdns-04.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT apple-domain-verification=qmAh14g4OX1bkue8 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 5 alt1.aspmx.l.google.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT amazonses:i7kVVveQqrOBBAmbA4eYXUtjyQz27rfUdUdlUdEjHjU= 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
MX 1 aspmx.l.google.com 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT adobe-idp-site-verification=370d08217eb4fd02ec25c8b9d1e4062ff87e4273d282e12f4995ea4e269c6160 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
TXT atlassian-domain-verification=ZhRqnN6RnH8AgFl3lYmodGh0L2aAKbEGfJETpJzak6O+lhMbMJ7WMiS392cSws63 2026-05-25 23:59:40.866 2026-07-25 06:56:23.305
A 54.230.172.115 2026-05-26 00:03:35.658 2026-05-26 16:03:41.672
A 54.230.172.84 2026-05-26 00:03:35.658 2026-05-26 16:03:41.672
A 54.230.172.119 2026-05-26 00:03:35.658 2026-05-26 16:03:41.672
A 54.230.172.104 2026-05-26 00:03:35.658 2026-05-26 16:03:41.672
A 108.156.60.16 2026-06-01 10:59:16.149 2026-07-25 06:56:23.305
A 108.156.60.56 2026-06-01 10:59:16.149 2026-07-25 06:56:23.305
A 108.156.60.52 2026-06-01 10:59:16.149 2026-07-25 06:56:23.305
A 108.156.60.33 2026-06-01 10:59:16.149 2026-07-25 06:56:23.305
A 13.227.173.11 2026-06-15 00:23:13.348 2026-06-15 00:23:13.348
A 13.227.173.63 2026-06-15 00:23:13.348 2026-06-15 00:23:13.348
A 13.227.173.66 2026-06-15 00:23:13.348 2026-06-15 00:23:13.348
A 13.227.173.77 2026-06-15 00:23:13.348 2026-06-15 00:23:13.348