yubico.com
Observed Jul 18, 2026, 12:06 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFastly
Email byGoogle Workspace
Secured byGlobalSign
Registered withMarkMonitor Inc.
Also usesDocuSign1PasswordDockerSlackGoogle Search ConsoleAtlassian
IPv6 · 8 subdomains · cybersecurity_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yubico.com actually stands on - every host below is a signed observation
yubico.com
A / AAAA
151.101.2.114151.101.66.114151.101.130.114151.101.194.114+4 more
Fastlyserves the site
NS
ns-cloud-e1.googledomains.comns-cloud-e2.googledomains.comns-cloud-e3.googledomains.comns-cloud-e4.googledomains.com
googledomains.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
yubico.com
GlobalSign nv-saissued its certificate
DNS Records
A 4
151.101.2.114151.101.66.114151.101.130.114151.101.194.114
AAAA 4
2a04:4e42::6262a04:4e42:200::6262a04:4e42:400::6262a04:4e42:600::626
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 27
MS=ms15291863asv=d97e483b7a01012ed7d4a3571fc4f5feapple-domain-verification=i0pfFG8KLQYxra5pdocusign=344e3a2e-fe49-42a4-b5ae-fd23dcc0b72f1password-site-verification=C4VBIWTNYFER5OOCHVJU2MTAIIopenai-domain-verification=dv-XWDYVl32jJzCksJZcOUk7Tycdocker-verification=7eaae4cf-2bdb-4528-8c12-ae3ec18d9dacveremark-domain-verification-33mmwa=KKsw5Pt7DBoDmOCIqokf0wEqoanthropic-domain-verification-deaz83=yHN9eCQxU1mw3wByrETKFQYGGhave-i-been-pwned-verification=7528d8520a54a3233cb42c26bef59498
NS 4
ns-cloud-e1.googledomains.comns-cloud-e2.googledomains.comns-cloud-e3.googledomains.comns-cloud-e4.googledomains.com
SOA 1
ns-cloud-e1.googledomains.com cloud-dns-hostmaster.google.com
CAA 5
iodef "mailto:tlsadmin@yubico.com"issue "amazon.com"issue "digicert.com"issue "globalsign.com"issue "letsencrypt.org"
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
yubico.com |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R3 DV TLS CA 2026 Q2 | Fri, 08 Jan 2027 18:52:06 +0000 |
GlobalSign Atlas R3 DV TLS CA 2026 Q2 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Fri, 21 Jan 2028 00:00:00 +0000 |
Subdomains (8)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
0bef05cb-4afd-4105-aca3-f5035066051d- Output Hash
19f6d6fb7fa7fa2aa321ceeb0b555b9ebf99f40fed46ffc7eee57fc3e8dd66dd- Signature
ed25519:f677d8107ad9e44bddc7d0c21eb47d8ae2432fa558efba75d751638e469764d355a96f16457304507c7963ee09447c02f7e7e0ed623da04db7684d81ed0a0c02- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast