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92
Total
100
DNS
100
Email
81
Security
70
Network
100
Availability
Domainyubico.com
IPv44
IPv64
MX records5
StatusActive
Domain technical report

Yubico | YubiKey Strong Two Factor Authentication

yubico.com

Get the YubiKey, the #1 security key, offering strong two factor authentication from industry leader Yubico.

Generated: 2026-08-09T00:29:24-05:00 · Cached result

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IPv44
IPv64
MX5
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

4 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 policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

5 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-STS5 / 5 pts · Mail

Mail transport policy.

✓
TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

152 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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)
151.101.194.114
151.101.2.114
151.101.66.114
151.101.130.114

AAAA

4 record(s)
2a04:4e42:400::626
2a04:4e42::626
2a04:4e42:200::626
2a04:4e42:600::626

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
1 aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.

TXT

24 record(s)
"slack-domain-verification=iRSAt0gjfeLmlsS50OKy7pZFFt8ANdQdAhdnH33t"
"atlassian-domain-verification=ipTaHvUYHB5m2sGAHn+wb0QAZaDU1OhT9I1zWtt5qbn81IDeYBquZ+lcXlrYOPCx"
"google-site-verification=3dYE5o6tXr58Ifp_dTq21Pe78QFiWgA_ZgLviwczyGY"
"1password-site-verification=C4VBIWTNYFER5OOCHVJU2MTAII"
"atlassian-sending-domain-verification=762db5fe-698c-4d93-a0ed-b4415055f802"
"asv=d97e483b7a01012ed7d4a3571fc4f5fe"
"have-i-been-pwned-verification=7528d8520a54a3233cb42c26bef59498"
"google-site-verification=KzzqYTzZ6c_YEowjKkmu7woBL2G9Z0VQgiR5nh8ndVc"
"MS=ms15291863"
"google-site-verification=E1u4QIF_yGIEmo1_LSfDWeP9pWQEnzSuunTGXfluvWc"
"google-site-verification=IHur8NDPA0N7kMAF1f2q_vJ-Rk7S8hxpcvn92sEew-s"
"google-site-verification=aKR17QT6FyB3SwlRCUfJkYW82P0uU_4vIk3iBGjb7wY"
"google-site-verification=1Q7E_o_fcik3HTCdhgqWhULWNp3Tc3V8UbdFiv9usvI"
"docusign=344e3a2e-fe49-42a4-b5ae-fd23dcc0b72f"
"veremark-domain-verification-33mmwa=KKsw5Pt7DBoDmOCIqokf0wEqo"
"anthropic-domain-verification-deaz83=yHN9eCQxU1mw3wByrETKFQYGG"
"adobe-idp-site-verification=8233cb63a0e1bc2cf5b686c37454a22cd3684022d171c40d9a7cdb299c627fd1"
"apple-domain-verification=i0pfFG8KLQYxra5p"
"google-site-verification=cm0ud8DosbawIseioZWR5-l6uLFogwEYR8OpHXcWe1w"
"docker-verification=7eaae4cf-2bdb-4528-8c12-ae3ec18d9dac"
"v=spf1 ip4:46.235.224.245/32 ip4:104.130.74.24/32 include:_spf.google.com include:rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com exists:%{i}._spf.mta.salesforce.com ~all"
"google-site-verification=dSJYQW_buweb2dPfaXPJslY-ccmx_zIGbR1hffFU1fs"
"openai-domain-verification=dv-XWDYVl32jJzCksJZcOUk7Tyc"
"box-domain-verification=a2d738f705ecaa2dd9aafdf862889a09c1d96eef8f73673250f04b3fd0624809"

NS

4 record(s)
ns-cloud-e4.googledomains.com.
ns-cloud-e1.googledomains.com.
ns-cloud-e3.googledomains.com.
ns-cloud-e2.googledomains.com.

SOA

1 record(s)
ns-cloud-e1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300

CAA

5 record(s)
0 iodef "mailto:tlsadmin@yubico.com"
0 issue "globalsign.com"
0 issue "amazon.com"
0 issue "digicert.com"
0 issue "letsencrypt.org"

DS

1 record(s)
25466 13 2 E75EEF573C5A14906F407ABCCE46F45B6881056C5041F580509F1E5F CB097AAC

DNSKEY

2 record(s)
256 3 13 FOyTsP/Fww+Df0qVbUvLQ5EcyU14yw0IJP87pFmISbeLbb9Z6/cc/FdC YR+QtG7C9nFS8p0GgRk9FPzuq+cbAw==
257 3 13 uXOmCkhUsavVZLOGyqwG/JUiUEPgxt0O96+1ZKwyIWKi/H7a6FzjkyLh 3R0zDayxqMdQePNj2Q0lV4PlbOzkEw==

RRSIG

3 record(s)
DNSKEY 13 2 300 20260827131728 20260805131728 25466 yubico.com. FNvFlGKhOedvDQgKiEbp5nsDkHbgsYKri7JE7Vo2GWid9ExD5nB3Q0x7 1fPlNBEUHXwW8CFsBqCIBSRJ4O8xwg==
DS 13 2 86400 20260816014751 20260809003751 41446 com. WOhUm+vUt01CPqDKMX08UOq77zoKgwsQn6COikynXad92paLev01Qp8F yvBze6EgVi37IC97SOqV9gBjGn9ecg==
CAA 13 2 10800 20260827131728 20260805131728 52810 yubico.com. qBq4yZrnM//ItWX0pFiO/TcgVn1IUDno3hbYhAkfolBMjWo5HC6vECL9 x+DxxKvylXdQMpcYlZL2Wz0q9XDO1g==

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 ip4:46.235.224.245/32 ip4:104.130.74.24/32 include:_spf.google.com include:rp.oracleemaildelivery.com include:eu.rp.oracleemaildelivery.com include:ap.rp.oracleemaildelivery.com exists:%{i}._spf.mta.salesforce.com ~all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:8msj9myp@ag.eu.dmarcadvisor.com

DKIM

Selector google
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnKZogtjOlHoeY8iZ5o5brlPOsj/a2Q9Bopu1kHxlxrdw7tZVL9FzUMngiIYGrl8dbP7Rvk7TLMoxHxVkRZPBtIpsKIab/gOUoPLQVYbrAmzyguHYBwAApi3H/pvjUsK8+XF0dKY17AR96lokAPqvfBaUb+DSx8zNw2hrYWYVqvCtnxHUGEUhT1bTlEZBptH3jJdQ/qm/HROSj3WQn55D8lyQMO8hHml0r15sNYSg8nInFmOhl2JmbsFKy+RoMTwbkk0/meRvcEFWLHkr4MSgbnie6OpQvM4Y51+kO6DUVr3rwjrdVO9wpFt+n/hdQ92TNif17RMJtE5AGaQ6BN3yJQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Yubico | YubiKey Strong Two Factor Authentication
Description
Get the YubiKey, the #1 security key, offering strong two factor authentication from industry leader Yubico.
Final URL
https://www.yubico.com/
HTTP status
206

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
GlobalSign nv-sa
CN
yubico.com
Valid from
2026-06-23T14:52:06-05:00
Valid until
2027-01-08T12:52:06-06:00
Days remaining
152
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
151.101.130.114, 151.101.194.114, 151.101.2.114, 151.101.66.114
54,10 ms
Cloudflare
1.1.1.1
151.101.130.114, 151.101.194.114, 151.101.2.114, 151.101.66.114
90,40 ms
Quad9
9.9.9.9
151.101.130.114, 151.101.194.114, 151.101.2.114, 151.101.66.114
182,52 ms
OpenDNS
208.67.222.222
151.101.130.114, 151.101.194.114, 151.101.2.114, 151.101.66.114
74,67 ms
AdGuard
94.140.14.14
151.101.130.114, 151.101.194.114, 151.101.2.114, 151.101.66.114
143,06 ms

IP, geolocation and ASNAssociated network information

151.101.194.114

No data
success
No
country
region
city
asn
organization
isp

151.101.2.114

No data
success
No
country
region
city
asn
organization
isp

151.101.66.114

No data
success
No
country
region
city
asn
organization
isp

151.101.130.114

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

aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4017.5 ms -

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