spu.edu
Observed Jul 21, 2026, 17:41 UTC (31m ago). Every field below was attested with an Ed25519 signature at scan time.
Guarded by a firewall
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search ConsoleAtlassian
2 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat spu.edu actually stands on - every host below is a signed observation
spu.edu
A / AAAA
48.192.37.188
unattributedserves the site
NS
ruler.wa-k20.netdns01.spu.eduapple.wa-k20.net
wa-k20.net + spu.eduanswers its DNS
MX
spu-edu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.spu.edu
DigiCert Incissued its certificate
DNS Records
A 1
48.192.37.188
MX 1
0spu-edu.mail.protection.outlook.com
TXT 5
v=spf1 ip4:72.233.151.0/24 ip4:69.25.199.33 ip4:205.237.106.3 ip4:75.98.95.161 ip4:161.38.193.0/24 ip4:161.38.194.0/24 ip4:159.135.232.65 ip4:159.135.228.232 include:spf.protection.outlook.com include:service.spu.edu include:service2.spu.edu ~allgoogle-site-verification=nGXkVK_9jQfkyJlNT3Brkn_ofHr-vPGXmStkQi8Ioj4atlassian-domain-verification=gAXG6wnFMJSqv0snKqXchZapjDnYiE4zhtvmA7vsdJA54uGUip8U5dK4k4BWXFODmailerlite-domain-verification=af641b8690e4e1011577fec135a6fee0dd693a59v=DMARC1; p=quarantine; pct=100; rua=mailto:rua@spu.edu,mailto:dmarc_agg@vali.email;
NS 3
ruler.wa-k20.netdns01.spu.eduapple.wa-k20.net
SOA 1
dns01.spu.edu hostmaster.spu.edu
SRV 1
outlook.spu.edu:443 p0
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.spu.edu |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Sat, 07 Nov 2026 23:59:59 +0000 |
DigiCert Global G2 TLS RSA SHA256 2020 CA1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Sat, 29 Mar 2031 23:59:59 +0000 |
DigiCert Global Root G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Fri, 15 Jan 2038 12:00:00 +0000 |
Subdomains (2)
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_5af3f3e2a7db420c- Output Hash
5dd385d02593cbc11e94f874b0737d8b5cbda72974882ac92183d0c9d363f6aa- Signature
ed25519:3a9978dadc549292d4347a56821492330c2ee15a29bcec2124632f5792744930a0616540b031b80fc1dd7c2d79f81230931dee1bc46e27be1765a7a64bf48607- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast