adelphi.edu

Observed 2026-07-17T15:00:00.254577019+00:00 (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Email byGoogle (SPF sender)

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat adelphi.edu actually stands on - every host below is a signed observation

adelphi.edu

A / AAAA

192.147.12.33

unattributedserves the site

ns3.adelphi.eduns1.adelphi.eduns9.adelphi.edu

adelphi.eduanswers its DNS

mercury.adelphi.edudelivery.adelphi.edu

Google (SPF sender)receives its email

TLS

www.adelphi.edu

Let's Encryptissued its certificate

DNS Records

A 1

192.147.12.33

MX 2

5mercury.adelphi.edu
10delivery.adelphi.edu

TXT 12

google-site-verification=vqRHbtGUXST05DEIkK68U9ji9t4stYLZx3pcVoHCKbU
apple-domain-verification=VZpY4lPT8yXwJ6LI
twilio-domain-verification=c69dca6de0f80acdd38c9e3ccc6d7bda
duo_sso_verification=Xz2vKDTKsdXQwtfSWDk1qNBNpb4Jm6bO9yBl4df7wo9yxAtkPKfJ6rGyjXRQEG8a
pardot992832=7c93103b8e54d43d17fadc29a651f2036ea8bab07a78c44ef56e984f8430299e
v=spf1 mx ?include:_spf.google.com ?include:cust-spf.cashnet.com ?include:_spf.salesforce.com ip4:192.147.12.0/24 ip4:129.41.169.235 ip4:64.94.160.144 ip4:129.41.169.229 ip4:209.133.88.31 ip4:216.200.108.191 ip4:216.200.107.203 ip4:216.200.111.112 ip4:209.133.75.58 ip4:209.133.75.59 ip4:209.133.75.60 ip4:82.98.241.40 ip4:63.91.111.53 ip4:208.75.123.0/24 ip4:63.251.135.74 ip4:63.251.135.75 ip4:63.251.135.98 ip4:63.251.135.103 ip4:63.251.135.109 ip4:63.251.135.115 ip4:64.95.77.162 ip4:64.95.77.163 ip4:64.95.77.164 ip4:66.151.184.35 ip4:66.151.184.37 ip4:66.151.234.151 ip4:66.151.234.152 ip4:66.151.234.153 ip4:66.151.234.154 ip4:216.235.205.0/24 ip4:216.235.206.0/24 ip4:209.34.83.224 ip4:216.235.196.0/22 ip4:216.235.200.0/21 ip4:205.139.104.0/22 ip4:206.79.6.0/24 ip4:66.179.50.182 ip4:66.179.50.183 ip4:66.179.50.184 ip4:66.179.50.185 ip4:66.179.50.186 ip4:66.179.50.187 ip4:66.179.50.188 ip4:66.179.50.189 ip4:74.217.58.249 ip4:74.125.0.0/16 ip4:34.195.197.221 ip4:34.225.212.191 ip4:199.231.134.73 ip4:52.6.98.204 ...[truncated]
NT1T1KM11M75VDNALUA20LK63PPMSUUWO0Q8R9TKR
SFMC-YIA2MNLO5pLbuCEMqBBpZG5RJ3NznnxsECP7J7Ml
yahoo-verification-key=PrzcawJSlDa0ScAH2NQDJ9bg0T4ydkUb8oIPDYPLp5g=
MS=ms27128023

NS 3

ns3.adelphi.edu
ns1.adelphi.edu
ns9.adelphi.edu

SOA 1

ns3.adelphi.edu postmaster.ns3.adelphi.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`www.adelphi.edu`	C=US, O=Let's Encrypt, CN=YR1	Mon, 14 Sep 2026 20:50:07 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.adelphi.edu

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for adelphi.edu. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/adelphi.edu">
  <img src="https://domaindrift.io/badge/adelphi.edu.svg"
       width="300" height="64" alt="DomainDrift signed observations for adelphi.edu">
</a>

Ed25519 Receipt

Receipt ID: 06dcc33f-8ef6-4122-af6d-b3a61fcd8d0d
Output Hash: 3bee2b0f4fc5e58bd6b7977631489233191e5da9bf77a3dbe99f08706bc16695
Signature: ed25519:428f33dadc87cdc29b0669c958a5db3954d6bd280eb5a69b16538cddf3f26b1fd81cf03dd5bddbec10277b4d066fc7ccca37f22fb2113b9439ad45bd86471605
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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