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83
Total
75
DNS
90
Email
77
Security
65
Network
100
Availability
Domainknowbe4.com
IPv44
IPv60
MX records7
StatusActive
Domain technical report

KnowBe4 | Secure Your Digital Workforce: Human + AI

knowbe4.com

Everything you need to reduce human risk and secure your agents all in one platform: Security Awareness Training, Email Security, Agent Security.

Generated: 2026-08-09T22:25:06-05:00 · Cached result

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IPv44
IPv60
MX7
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

7 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

87 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: server-3-170-131-26.cmh68.r.cloudfront.net

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)
3.170.131.26
3.170.131.71
3.170.131.53
3.170.131.101

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

7 record(s)
10 aspmx2.googlemail.com.
10 aspmx5.googlemail.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
10 aspmx3.googlemail.com.
10 aspmx4.googlemail.com.
1 aspmx.l.google.com.

TXT

29 record(s)
"google-site-verification=EJTeC07BGnS6X2PWc5FoEbPRt8T91Y4-lhZW7RLxS-c"
"openai-domain-verification=dv-dBBvIXDgY5ZxPl4tCjIHaNRq"
"zapier-domain-verification-challenge=f1426c5b-21d2-4bc7-82dd-e74d108c77c8"
"adobe-idp-site-verification=370d08217eb4fd02ec25c8b9d1e4062ff87e4273d282e12f4995ea4e269c6160"
"google-site-verification=0aAUofkA6qAxk_uYttw0L4RjiIWAGL8-x-_pybvGhVo"
"wiz-domain-verification=e6478bb3edd119aa3e701c038708e3cb1f0f13e7691fc7b2b488592070ae6366"
"MS=ms32168056"
"pendo-domain-verification=02b2333b-3f4f-40ef-9659-408cec8ee1a3"
"google-site-verification=gzYt5XSP0eQeEkG99s_UNqSrR89qfnCg6f3uFz0v8wY"
"atlassian-domain-verification=OcPNSCfFoB9IocbkPrVxgaTPH2lCVlhD1MeWq//30V3aX05otEbViZRN5iaLjPWK"
"bhd25m1n5fj8h8c4bchk43oeb4"
"apple-domain-verification=qmAh14g4OX1bkue8"
"jamf-site-verification=RIg8eN5i9Iok12Yr5DejHw"
"mongodb-site-verification=CLB4dkKYnXU5G5xERSrl2N0XPr9EUX3a"
"status-page-domain-verification=mncmp25mgt7j"
"docker-verification=e9e873bd-4dc8-437e-9718-93ee84b39448"
"mixpanel-domain-verify=bc139ab5-6f4e-41a7-b7cd-d13f89aa8710"
"zapier-domain-verification-challenge=67e81d94-81d3-44c1-bb5b-f278a3ed32ca"
"wiz-domain-verification=80d80bf3b6c164a1fd91b8150e90ba3d504058315fd7c7245a9d0f480e5f1618"
"amazonses:i7kVVveQqrOBBAmbA4eYXUtjyQz27rfUdUdlUdEjHjU="
"google-site-verification=3Hie3OelJT_rJykvur3IxPN50L9mAmpstgWQu7g7rbQ"
"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"
"adobe-sign-verification=600d5d8d4ae04f20e7d625c21e96ec48"
"google-site-verification=WrBl38sScepa-oAzO5AlDr6qeJqHniarCDURkDMLpQs"
"g4l3bgqre4hkae8dfmm4v1q4je"
"7bbdc96bfd404e609c241bb7a3210cc3"
"anthropic-domain-verification-gcynk1=3VVkzpvdUPpZYTTCvZEyX4Ioc"
"atlassian-domain-verification=ZhRqnN6RnH8AgFl3lYmodGh0L2aAKbEGfJETpJzak6O+lhMbMJ7WMiS392cSws63"
"19e0be4ea5354278ae7eacfc48bedb9b"

NS

4 record(s)
ns-38.awsdns-04.com.
ns-853.awsdns-42.net.
ns-1882.awsdns-43.co.uk.
ns-1036.awsdns-01.org.

SOA

1 record(s)
ns-1036.awsdns-01.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)
—

Not configured

DS

2 record(s)
29403 13 2 CB90BD73DC1B7A6062CB618C1963280FEF2A5D69EFDD1A8F8588608A 939D9E95
29402 13 2 95D2244BA947558E4350B951D4603C07F9CAB115956CE42B417DC636 B4920DD1

DNSKEY

3 record(s)
257 3 13 xqdCpRIvuD8WzLpzRRlg7bUdF+ZxLHpivyDW3orXuyah3dYWVJh5a3Jf bxBKzIj9+v+A74eSKnGGQQhNxuoQnA==
256 3 13 RKcDOuiJ0wa88+qPRBuc3YhiE2jn3+xwTNd20lIoydJLGtL191Yx0bV5 C11vLysXJTo1Hpiv+WyvHng8vgCgtg==
256 3 13 V25MTR+SbDPVR1PxsU9f6KiNEwxiGWoDkm5lpjPP/YaMu8vm7SRAHA/3 b0MiY5elLg4mnrqBYNn06GVuVw/skg==

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
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

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:fcf8c5bdac@rua.easydmarc.us,mailto:oc4vw-8869@rua.dmarc.emailanalyst.com,mailto:kb4@rua.agari.com;ruf=mailto:fcf8c5bdac@ruf.easydmarc.us,mailto:oc4vw-8869@ruf.dmarc.emailanalyst.com,mailto:kb4@ruf.agari.com; ri=3600; fo=1

DKIM

Selector default
v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDV37ViPSDKA47nSZwc+gVo/XaLKiZeiwNSJMzyLtOie7VKjFxT/jMM7WTX2Mq//NV5ezSVWxSJh7fvdBKQJB7MWL1XK2YtCYu19fb5hS1vrd9/oyihSc0PHBplnJmeXoc4+S9nAFoKS6IUt5VF/R+IJC03xTtBnXpdtUDvCcpnaQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
KnowBe4 | Secure Your Digital Workforce: Human + AI
Description
Everything you need to reduce human risk and secure your agents all in one platform: Security Awareness Training, Email Security, Agent Security.
Final URL
https://www.knowbe4.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.knowbe4.com/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
knowbe4.com
Valid from
2026-04-21T19:00:00-05:00
Valid until
2026-11-05T17:59:59-06:00
Days remaining
87
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

3 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
18.64.183.111, 18.64.183.115, 18.64.183.43, 18.64.183.72
73,06 ms
Cloudflare
1.1.1.1
18.64.183.111, 18.64.183.115, 18.64.183.43, 18.64.183.72
32,55 ms
Quad9
9.9.9.9
18.64.183.111, 18.64.183.115, 18.64.183.43, 18.64.183.72
30,76 ms
OpenDNS
208.67.222.222
18.64.183.111, 18.64.183.115, 18.64.183.43, 18.64.183.72
45,99 ms
AdGuard
94.140.14.14
3.166.96.25, 3.166.96.36, 3.166.96.43, 3.166.96.85
76,91 ms

IP, geolocation and ASNAssociated network information

3.170.131.26

No data
success
No
country
region
city
asn
organization
isp

3.170.131.71

No data
success
No
country
region
city
asn
organization
isp

3.170.131.53

No data
success
No
country
region
city
asn
organization
isp

3.170.131.101

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

aspmx2.googlemail.com

Port 25: Closed/unreachable - 23 ms - 
Port 465: Closed/unreachable - 4020.2 ms - 
Port 587: Closed/unreachable - 4042.9 ms -

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