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Gridlode
Rank #2,452Updated November 10, 2026

clemson.edu

Clemson University, South Carolina

The site runs on PHP, Google Tag Manager, YouTube and 1 other technologies. Its email security grade is B. Its SSL certificate is issued by Internet2 and is valid for 151 more days.

Domain age
—
Technologies
4
Email security
B
SSL days left
151

DNS records

TypeValueTTL
A130.127.204.30300
MXclemson-edu.mail.protection.outlook.com 02577
NSextns1.clemson.edu3600
NSextns2.clemson.edu3600
NSextns3.clemson.edu3600
CAAissue 0 amazontrust.com3600
CAAissue 0 amazonaws.com3600
CAAissue 0 sectigo.com3600
CAAissue 0 emsign.com3600
CAAissue 0 letsencrypt.org3600
TXTQNrJWkzdvejgfzMzXds5YBtpMDvIL3F2QhYsouk29NlyEhktTx9bCOXH+XEw9Up/is+8f5GwF/1Hzg3Lb354dg==3600
TXTpoll-everywhere-2-0-domain-verification-gr8gf9=37HwdsovEXRssRprmL0Njj9WE3600
TXTsolarwinds-service0desk-verification=b056c9b8349a500fe2df91069fe1a44e3600
TXTbrevo-code:24a75aa9aa179addd5f8cf385cb6572a3600
TXTevidence-domain-verification-40tdgv=bx0z96IHvrNboCokq5JeV3dGH3600
TXTv=spf1 ip4:130.127.0.0/16 include:spf.protection.outlook.com include:spf0.clemson.edu ip4:198.187.196.100 ip4:198.187.196.130 include:%{ir}.%{v}.cu.spf.clemson.edu ~all3600
TXTadobe-idp-site-verification=13f1cc18-6ae6-4077-9a4f-d1f20a727eb03600
TXTsprout-social-9ee7082b-db69-4d0c-aeec-0693dfe470d93600
TXT873688d59ffa4e0c1fafabdf048935b8.clemson.edu3600
TXT2a21cb707665c2ed4a7df0127f749f11b7612a771152a395dc0704bc6ada709e3600
TXT3YKAXO3FY2KWCQAIKRNQ3BWCNQH9QYJSW5MWNYYQJ3600
TXTe2ma-verification=9mveb3600
AAAA2620:103:a004:36::30300

Technology stack

Programming language
PHP
Tag manager
Google Tag Manager
Video
YouTube
Web server
Apache HTTP Server

Analytics and advertising IDs

google_tag_manager:GTM-T39W23

SSL certificate

ValidValid
IssuerUS, InCommon RSA Server CA 2, Internet2
ExpiresApril 10, 2027
Days remaining151
ProtocolTLSv1.2
Namesclemson.edu, *.clemson.edu

Email security

BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnSPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it.
  • 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 marked as suspicious (soft fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector2, default, k1, k2, s1, s2).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleClemson University, South Carolina
DescriptionClemson University is a leading public research institution located in Upstate South Carolina. Here, researchers create solutions that change the world.
Languageen-US
Canonicalhttps://www.clemson.edu/
IndexableYes
Word count1423

About clemson.edu

What technology does clemson.edu use?

We detected 4 technologies on clemson.edu, including PHP, Google Tag Manager, YouTube, Apache HTTP Server.

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

clemson.edu scores 83/100 (grade B) for email security. SPF uses 10 of the 10 allowed DNS lookups. Adding another service may break it. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of clemson.edu?

clemson.edu uses extns1.clemson.edu, extns2.clemson.edu, extns3.clemson.edu.