alza.is
Observed Jul 23, 2026, 23:28 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
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alza.is actually stands on - every host below is a signed observation
alza.is
A / AAAA
195.128.201.147
unattributedserves the site
NS
amber.ns.cloudflare.comcarl.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
jaguar.blueboard.cz
blueboard.czreceives its email
TLS
*.alza.is
Let's Encryptissued its certificate
DNS Records
A 1
195.128.201.147
MX 1
10jaguar.blueboard.cz
TXT 4
MS=1FDDBB288202D6F24F3303935F22DCD3E8D0939Fgoogle-site-verification=Vf381rk_e_T7K-8iJaM1gHVtDa0LyTC8jbUJKrhTyJUv=spf1 a mx include:spf.alza.is include:spf.blueboard.cz -allv=DMARC1; p=quarantine; rua=mailto:dmarc@alza.is
NS 2
amber.ns.cloudflare.comcarl.ns.cloudflare.com
SOA 1
amber.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.alza.is |
C=US, O=Let's Encrypt, CN=YR1 | Sat, 12 Sep 2026 16:31:37 +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 (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_f06ef091bfeee901- Output Hash
385004f4b882cc7e07ee5ba01e2a7a44ecf2dbae1f36288a6fe5ef33341b46da- Signature
ed25519:f24eb82a132ca83175bbe2cb7441b4155656d272d122bf995693c6cf4cd4ba7b9bf5321c6c886e511093ded6feedf9c11c86b1b9a7b44ce111c1189bebfbdd0c- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast