usb-bg.org
Observed Jul 26, 2026, 22:09 UTC (7d 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
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usb-bg.org actually stands on - every host below is a signed observation
usb-bg.org
A / AAAA
77.78.150.4
unattributedserves the site
NS
ns39.jumpdns.netns40.jumpdns.net
jumpdns.netanswers its DNS
MX
mail.usb-bg.org
usb-bg.orgreceives its email
TLS
usb-bg.org
Let's Encryptissued its certificate
DNS Records
A 1
77.78.150.4
MX 1
0mail.usb-bg.org
TXT 1
v=spf1 ip4:77.78.150.4 +a +mx +ip4:195.191.148.12 +ip4:195.191.149.12 +ip4:195.191.148.251 +include:droid.spf.superhosting.bg +include:smtp-out.spf.superhosting.bg ~all
NS 2
ns39.jumpdns.netns40.jumpdns.net
SOA 1
ns39.jumpdns.net cpanel.jump.bg
SRV 1
cpanelemaildiscovery.cpanel.net:443 p0
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usb-bg.org |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 11 Sep 2026 14:06:31 +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_b0474fa839e9ee89- Output Hash
8b5888c8e51d0c4aab87be7ba60fdefa60df948009fd74d641bc90fe6b50f788- Signature
ed25519:51a4ccd0faa8fd322f99f64dfb67d5e2e7507ccc12c2cc4a65b3256c7fc63041c7e066bb4024716d114bceff96fb013a819b7ffe1155af82aa396c0df11eef09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast