nas.edu

Observed Jul 24, 2026, 02:04 UTC (8h 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byDigiCert

Also usesZoom

2 subdomains · tranco_100k

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

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

nas.edu

A / AAAA

144.171.1.16

unattributedserves the site

a1-44.akam.neta5-65.akam.neta6-66.akam.neta11-64.akam.net+2 more

akam.netanswers its DNS

nas-edu.mail.protection.outlook.comnas-edu.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.nationalacademies.org

DigiCert Incissued its certificate

DNS Records

A 1

144.171.1.16

MX 2

5nas-edu.mail.protection.outlook.com
10nas-edu.mail.protection.outlook.com

TXT 16

MS=ms50413684
737w7ksp85lzsfrn46nt0ry2mh54lx5m
_669d39qi8xyzygbt3eq140ygtuzhncr
_vqu0g50l4ocz3so0yuziml5yzv6mo0u
ZOOM_verify_aoB34WmGQuCxfbl7dckb9w
uapSecret:kwBSR2y80skVdvJw5iRNIA==
asv=4c713355198f83b850986f61b6023dbf
MS=3C6B052BD84A4C32A730FF1A910EF2B45F43AC7A1
openai-domain-verification=dv-uiGvPXWti8emW6ice4s2Lzyy
twilio-domain-verification=278924730687085736a321fa2457d45b

NS 6

a1-44.akam.net
a5-65.akam.net
a6-66.akam.net
a11-64.akam.net
a16-67.akam.net
a28-67.akam.net

SOA 1

berkshire.nas.edu hostmaster.nas.edu

SRV 1

apollo.nas.edu:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`www.nationalacademies.org`	C=US, O=DigiCert Inc, CN=DigiCert EV RSA CA G2	Sun, 11 Oct 2026 23:59:59 +0000
`DigiCert EV RSA CA G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Jul 2030 12:42:50 +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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_49cb73b7bc98ee56
Output Hash: 54e9cd1102e59128a845f6ba6a45d5c7117d6f3d92e2bf3dd35ecf4503478ff4
Signature: ed25519:0140140d4d5e049c2f46684bd4522c1db2b5e9911ee08883f2fe20b76eff328978643427ea586e86194c48b7901780021ff2316fd148635f09339dce0e44db06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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