usap.edu
Observed Jul 25, 2026, 16:25 UTC (8d 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 ConsoleFacebook/Meta
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usap.edu actually stands on - every host below is a signed observation
usap.edu
A / AAAA
52.203.136.98
unattributedserves the site
NS
ns-us.1and1-dns.comns-us.1and1-dns.orgns-us.1and1-dns.usns-us.1and1-dns.de
1and1-dns.com + 1and1-dns.org + moreanswers its DNS
MX
alt1.aspmx.l.google.comaspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+2 more
Google Workspacereceives its email
TLS
usap.edu
Let's Encryptissued its certificate
DNS Records
A 1
52.203.136.98
MX 6
5alt1.aspmx.l.google.com1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com1smtp.google.com5alt2.aspmx.l.google.com
TXT 14
USA-P14-202zoho-verification=zb49342416.zmverify.zoho.comv=verifydomain MS=5096771google-site-verification=yWsSEah9kAO1q0EKCeUUuuh_fwtGKtjuwh1HRaLGzSMsn2u2utf9ivqjd62sd0na25jqtapple-domain-verification=_N4jQnL_K5ZmJiObGu_kjd4n5A80J1ligqGEF6erEZomailerlite-domain-verification=2c667cb2f6ce593986ae586bf0c7bb4c48517131l32ta0cr4r9oo7ui61f334g9vgv=spf1 include:_spf.google.com include:one.zoho.com include:_spf.mlsend.com include:zcsend.net include:spf.ipzmarketing.com ~allMS=87E3C8B0F4E0FF55B4D9402048A79ACFB06E9272
NS 4
ns-us.1and1-dns.comns-us.1and1-dns.orgns-us.1and1-dns.usns-us.1and1-dns.de
SOA 1
ns-us.1and1-dns.com hostmaster.1and1.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
usap.edu |
C=US, O=Let's Encrypt, CN=YE2 | Fri, 11 Sep 2026 09:08:06 +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_c947a14dd5845338- Output Hash
f30a4216907956c0d2ee72762b2651376cf4ba3a4b2ae20eca7d254e961fdb88- Signature
ed25519:b6da5b4ebe5c1b43b9d298ee85527709ede8a40496ce5e89bffc2437429cefebd5cb09fb369853b913dd591fb60caf012c14947b4a9bfb37be9530b931133302- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast