visioformation.fr
Observed Aug 2, 2026, 08:29 UTC (13h 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
Secured byLet's Encrypt
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat visioformation.fr actually stands on - every host below is a signed observation
visioformation.fr
A / AAAA
195.201.21.23
unattributedserves the site
NS
dns1.registrar-servers.comdns2.registrar-servers.com
registrar-servers.comanswers its DNS
MX
mail.visioformation.fr
visioformation.frreceives its email
TLS
www.visioformation.fr
Let's Encryptissued its certificate
DNS Records
A 1
195.201.21.23
MX 1
10mail.visioformation.fr
TXT 1
v=spf1 a mx ip4:88.99.99.124 ip6:2a01:4f8:221:f62::2 ~all
NS 2
dns1.registrar-servers.comdns2.registrar-servers.com
SOA 1
dns1.registrar-servers.com hostmaster.registrar-servers.com
DMARC_RECORDS 1
v=DMARC1; p=none
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.visioformation.fr |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 01 Sep 2026 04:16:39 +0000 |
YR1 |
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 (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_07afe4d5fbd2b701- Output Hash
9d320fd5d80ceab7ccdd18305a979f04895f345f61814ca7f9e41911fae0ab94- Signature
ed25519:cf2705950a92cb0725045bfaf186cc1fe7d6e50625fcb74ac555cad6cf5c71fd4193ecfa1d76642c7a22ea5e0dfcda907058f7f8aadb09e2346ca998c1897607- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast