upsheet.app
Observed Aug 2, 2026, 21:08 UTC (2h 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 byZoho Mail
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upsheet.app actually stands on - every host below is a signed observation
upsheet.app
A / AAAA
52.15.36.138
unattributedserves the site
NS
ns25.domaincontrol.comns26.domaincontrol.com
domaincontrol.comanswers its DNS
MX
mx3.zoho.inmx.zoho.inmx2.zoho.in
Zoho Mailreceives its email
TLS
upsheet.app
Let's Encryptissued its certificate
DNS Records
A 1
52.15.36.138
MX 3
50mx3.zoho.in10mx.zoho.in20mx2.zoho.in
TXT 4
google-site-verification=LVrGgpfTse74dcMCSu50_aH1vcbBcCqWLlhBAwOv9Ncv=spf1 include:zoho.in ~allzoho-verification=zb74923602.zmverify.zoho.ingoogle-site-verification=zvvFH-dKhKYYkYeuqxNK_KJNunnbP51PH6D2TXI-t9U
NS 2
ns25.domaincontrol.comns26.domaincontrol.com
SOA 1
ns25.domaincontrol.com dns.jomax.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
upsheet.app |
C=US, O=Let's Encrypt, CN=YE1 | Fri, 09 Oct 2026 21:37:23 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_854bb85e4a2c14ab- Output Hash
b848a5f848c297459e5b78138756cbe4b56d5fde2f6cc7850d55be8eebca57b2- Signature
ed25519:0591e132c6635ddadf75aafc2ed434d94d20fc298e78703fe46d51ac921186c6567499fe358c2ffe06ac42d4325cdc4bd49c17a454bff9fafb8bd03dd28efb0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast