redcross-edu.ch
Observed Jul 28, 2026, 09:42 UTC (1d 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 byMicrosoft 365
Secured byLet's Encrypt
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat redcross-edu.ch actually stands on - every host below is a signed observation
redcross-edu.ch
A / AAAA
151.101.2.191
unattributedserves the site
NS
dns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.net
nsone.netanswers its DNS
MX
redcrossedu-ch02b.mail.protection.outlook.com
Microsoft 365receives its email
TLS
redcross-edu.ch
Let's Encryptissued its certificate
DNS Records
A 1
151.101.2.191
MX 1
0redcrossedu-ch02b.mail.protection.outlook.com
TXT 3
v=spf1 a mx include:spf.tocco.ch ip4:46.231.207.78 ip4:46.231.207.141 ip4:83.150.6.88 include:spf.amazee.io include:spf.protection.outlook.com ~allMS=ms13122242v=DMARC1;p=none;rua=mailto:postmaster@redcross-edu.ch;ruf=mailto:postmaster@redcross-edu.ch;fo=1;
NS 4
dns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.net
SOA 1
dns1.p03.nsone.net hostmaster.nsone.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
redcross-edu.ch |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 10 Sep 2026 07:02:55 +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_7b2567e1f481bb44- Output Hash
c70f089feb0843c41285849e4ca1ca69efc42c127c61fb1dcd88063e836a1874- Signature
ed25519:c5863ed82e0836393a72dc72face6fabe13ec3e61affd074116797c364636d23ae58da87c0e637f77992594fc3594962f3ba0ba912bff33e302c1fb423df3203- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast