arakis.cz
Observed Jul 24, 2026, 10:30 UTC (19h 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
Also uses1Password
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arakis.cz actually stands on - every host below is a signed observation
arakis.cz
A / AAAA
195.122.209.247
unattributedserves the site
NS
ns.arakis.czns.belleville.cz
arakis.cz + belleville.czanswers its DNS
MX
arakis-cz.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.arakis.cz
Let's Encryptissued its certificate
DNS Records
A 1
195.122.209.247
MX 1
10arakis-cz.mail.protection.outlook.com
TXT 4
1password-site-verification=PVUQP43Y2BFGJORTMQBTYFVM6QMS=ms63217477v=spf1 include:spfinc.arakis.cz include:spf.protection.outlook.com ip4:188.120.196.0/24 ip4:149.62.151.32/27 ip4:83.167.238.160/27 ip4:5.59.97.67 -allv=DMARC1; p=none; pct=100; adkim=s; aspf=s
NS 2
ns.arakis.czns.belleville.cz
SOA 1
ns.belleville.cz admin.belleville.cz
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.arakis.cz |
C=US, O=Let's Encrypt, CN=YR1 | Sat, 17 Oct 2026 22:13:40 +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_bc336d4b85867146- Output Hash
4544267c83d50fd67844474c72a12ce1c0af4b03d124014d824bac66aca88440- Signature
ed25519:f491e7b2883626212c109002e8d42ad6c7093bcbb9195dc508902cddee0d74406b8ad57e8c4fd55540c32c4b14e2ff89c22066f1eea50108cc68859ff0e2bd05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast