delta.edu
Observed Jul 18, 2026, 12:19 UTC (9h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAmazon
Email byMicrosoft 365
Secured byDigiCert
Also usesZoom
education_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat delta.edu actually stands on - every host below is a signed observation
delta.edu
A / AAAA
52.73.2.2193.209.26.19334.236.193.193
Amazonserves the site
NS
jerry.ns.cloudflare.compola.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
delta-edu.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.delta.edu
DigiCert Incissued its certificate
DNS Records
A 3
52.73.2.2193.209.26.19334.236.193.193
MX 1
10delta-edu.mail.protection.outlook.com
TXT 7
08yjw6qdcgs6lhz5bksf8jft2p1kgyp8ZOOM_verify_YQ-0FRmBQmSle_10dxIYOwamazonses:i6yLTkGqb44jGtjJY1onayzYUQNvng4EHoLLe+8iUhU=gf0/qTXkCbfgodLljpD2V7KmW2ZnIfiLqXFgxuE3EBrMsHYK94TN3VQTGK4+2Hhc+L/ady26XNSpHMduSb+4uw==iContact1785994v=spf1 mx ip4:161.133.129.0/24 ip4:161.133.166.56/32 ip4:52.45.50.190/32 ip4:54.146.129.215/32 ip4:52.42.20.3/32 ip4:74.122.104.0/22 ip4:209.43.55.123/32 ip4:216.235.195.0/24 ip4:65.38.18.1/26 ip4:199.244.78.223/32 ip4:199.244.78.224/32 ip4:12.228.6.215/32 ip4:184.106.13.89/32 ip4:63.224.138.155/32 ip4:23.21.109.197/32 ip4:23.21.109.212/32 ip4:137.117.85.75/32 ip4:147.160.167.0/26 ip4:207.138.59.82 ip4:149.72.40.131 ip4:64.79.169.80 ip4:216.33.161.80 ip4:208.185.231.124 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:223.165.113.0/24 ip4:223.165.115.0/24 ip4:223.165.118.0/23 ip4:223.165.120.0/23 ip4:50.17.148.64/32 include:a._spf.brightspace.com include:spf.protection.outlook.com include:spf.watermarkinsights.com include:outboundmail.convio.net -allv=DMARC1; p=none; rua=mailto:a8d8a49a0ea1787@rep.dmarcanalyzer.com; ruf=mailto:networkemail@delta.edu;
NS 2
jerry.ns.cloudflare.compola.ns.cloudflare.com
SOA 1
jerry.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.delta.edu |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Fri, 14 Aug 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 |
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 | Mon, 23 Sep 2030 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
21053baa-1a8d-4592-8497-b83d843045ca- Output Hash
b9b0d6b721a52273e58e77a21b2b34c8e3c63887ede57740a51735f94e88ddac- Signature
ed25519:fd1bd23a9d2f1a285b10d977b42b908acf06979426e5336944f67f576f15f5bae2cc651da5a7e034ff407498a46c85aa085d3026981aadf19a0f125fb0870b03- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast