arjo.dev
Observed Jul 27, 2026, 03:48 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 usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arjo.dev actually stands on - every host below is a signed observation
arjo.dev
A / AAAA
76.76.21.21
unattributedserves the site
NS
emma.ns.cloudflare.comignat.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
arjo.dev
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 2
google-site-verification=jBpNB4ffxGA2PPnu4KxxBEm0eUUoabANKXqGZ7QXABsv=spf1 include:spf.mailjet.com include:_spf.google.com ~all
NS 2
emma.ns.cloudflare.comignat.ns.cloudflare.com
SOA 1
emma.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
arjo.dev |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 22 Sep 2026 22:18:22 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (0)
None observed.
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_ecafbc51e232847f- Output Hash
5e05d7fa006c92799030eb35981747737e2a03ba9a127bbc7a6676a83087fe81- Signature
ed25519:a24b801482c7e47bbd75bec282f1c7d17a351dd559de358e975700d8e9343e2421e77943786b45d9c11026c85fbabfc823f9d8c17c5d4fd90581a038546ce709- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast