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Gridlode
Rank #2,119Updated November 10, 2026

nap.edu

National Academies Publications

The site runs on Akamai, Fastly, OneTrust and 2 other technologies. Its email security grade is F. Its SSL certificate is issued by DigiCert Inc and is valid for 93 more days.

Domain age
—
Technologies
5
Email security
F
SSL days left
93

DNS records

TypeValueTTL
A144.171.1.107200
MXnas-edu.mail.protection.outlook.com 107200
NSa1-44.akam.net7200
NSa5-65.akam.net7200
NSa6-66.akam.net7200
NSa11-64.akam.net7200
NSa16-67.akam.net7200
NSa28-67.akam.net7200
TXTMS=ms425611137200
TXT_x6ukta5satz9gl93vemtufi9mie3r6o7200
TXTv=spf1 mx include:spf.protection.outlook.com -all7200

Technology stack

Cookie consent
Security

Analytics and advertising IDs

google_tag_manager:GTM-K5ZR4BL2

Other sites using the same IDs: nationalacademies.org, trb.org

SSL certificate

ValidValid
IssuerUS, DigiCert Global G2 TLS RSA SHA256 2020 CA1, DigiCert Inc
ExpiresFebruary 11, 2027
Days remaining93
ProtocolTLSv1.2
Names*.nap.edu, nap.edu

Email security

FScore 45/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDKIM keys found (selector: selector1).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleNational Academies Publications
DescriptionAccess expert reports, research publications, and evidence-based resources from the National Academies of Sciences, Engineering, and Medicine.
Languageen
IndexableYes
Word count6235

About nap.edu

What technology does nap.edu use?

We detected 5 technologies on nap.edu, including Akamai, Fastly, OneTrust, HSTS, Google Tag Manager.

Does nap.edu protect its email with SPF and DMARC?

nap.edu scores 45/100 (grade F) for email security. No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of nap.edu?

nap.edu uses a1-44.akam.net, a5-65.akam.net, a6-66.akam.net, a11-64.akam.net, a16-67.akam.net, a28-67.akam.net.