upsu.net
Observed Jul 26, 2026, 08:54 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
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upsu.net actually stands on - every host below is a signed observation
upsu.net
A / AAAA
167.99.196.34
unattributedserves the site
NS
ns2.digitalocean.comns1.digitalocean.comns3.digitalocean.com
digitalocean.comanswers its DNS
MX
alt2.aspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
upsu.net
Let's Encryptissued its certificate
DNS Records
A 1
167.99.196.34
MX 5
5alt2.aspmx.l.google.com5alt1.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com1aspmx.l.google.com
TXT 3
google-site-verification=hk6rBe-F-ke7KIjQ3Ojrv3lG49mRgnVpbh66z78tQHgv=spf1 ip4:91.189.147.12 include:_spf.google.com include:spf.mailjet.com include:email1.kayako.com ~allv=DMARC1; p=none; rua=mailto:re+d417396f5e07@inbound.dmarcdigests.com
NS 3
ns2.digitalocean.comns1.digitalocean.comns3.digitalocean.com
SOA 1
ns1.digitalocean.com hostmaster.upsu.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
upsu.net |
C=US, O=Let's Encrypt, CN=YE2 | Sat, 10 Oct 2026 11:24:49 +0000 |
YE2 |
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_b1f65e4adbe30e63- Output Hash
4686416d5c18a9bf750eb84110bdb54e24e2e588897125788f632f0961b56d70- Signature
ed25519:0e5804f0c12e61329b80b28e567538827c510b4131c00a6695d7c7d44a02ce67a62a8f887f60e4fac73a2580849c3d607101bd1148036dadb02dd3364be61100- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast