robuust.digital
Observed Jul 26, 2026, 22:31 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesSlackGoogle Search Console
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat robuust.digital actually stands on - every host below is a signed observation
robuust.digital
A / AAAA
75.2.60.599.83.231.61
unattributedserves the site
NS
ns0.transip.netns1.transip.nlns2.transip.eu
transip.net + transip.nl + moreanswers 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
www.robuust.digital
Let's Encryptissued its certificate
DNS Records
A 2
75.2.60.599.83.231.61
MX 5
1ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM10ALT3.ASPMX.L.GOOGLE.COM10ALT4.ASPMX.L.GOOGLE.COM
TXT 6
openai-domain-verification=dv-SbXlx6geU8Qogj40eWtJ5u1Zv=spf1 include:_spf.google.com include:spf.mailjet.com ~allslack-domain-verification=vYYeXU1XYDgqCMYiClabIsrYdxy93FL0sHlHseuBgoogle-site-verification=Y10QeFKQhI4Fim9pEX13xq6hsKw_TV5niOkJnpA9SmYgoogle-site-verification=m0KwaUbX5a6IdaBdPqIJiTHnxS0kq5W1IUkIUq23JS4v=DMARC1; p=none
NS 3
ns0.transip.netns1.transip.nlns2.transip.eu
SOA 1
ns0.transip.net hostmaster.transip.nl
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
www.robuust.digital |
C=US, O=Let's Encrypt, CN=YE2 | Mon, 07 Sep 2026 18:14:26 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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
rcpt_528808ec364066fc- Output Hash
b066ca3f0e5786781c1c3983985b6b889d358d72162824fe338e2805b8ac8413- Signature
ed25519:a93f6b9b93aee1bd4d924804f9638622563a86a94bf68bbcbe07147a188f52ec72bd7443d3fa13125e62cf30fab129c353d2cbfa6ac49f414b12ad3ee2fff706- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast