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Gridlode
Rank #4,445Updated November 10, 2026

du.edu

University of Denver

The site runs on Drupal, webpack, Varnish and 14 other technologies. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 83 more days.

Domain age
—
Technologies
17
Email security
B
SSL days left
83

DNS records

TypeValueTTL
A23.185.0.1600
MXmxa-00241a02.gslb.pphosted.com 10300
MXmxb-00241a02.gslb.pphosted.com 10300
NSns4.p201.dns.oraclecloud.net86400
NSns1.p201.dns.oraclecloud.net86400
NSns2.p201.dns.oraclecloud.net86400
NSns3.p201.dns.oraclecloud.net86400
TXTdrnsfqu81d70lsvsv5uoe6lsn73600
TXTadobe-idp-site-verification=fcc78d68a8825dbfa9937ca2e8cbb9823ad970f9a896ffe042d05f46d9af86f03600
TXTktD+DpsDo4zc7Q/sjuH9eSx3Ms0KbT7em+nmsfXd9w8w56exAd00lZOKiXma8Bss/v6xIcCoXNA6+wkkzKtWqA==3600
TXTe2ma-verification=ql0eb3600
TXTdocusign=1ff8210c-4b7c-463d-bf8d-dec467d3b6cc3600
TXTgoogle-site-verification:WHNxr1IRt0U4trUGOx0P_3Mapbx4bAOGrvpzn6WTydY3600
TXTpardot_149391_*=94d4b6541d12ae48c5b83aee5dc6a841a9c79040ae36f33cfda6edc4a3f2cbbc3600
TXTasv=4d037429df1c38a629a2c2c1e9d757143600
TXTdocusign=b02d4133-de65-4905-aeb7-05ed5173b1ea3600
TXT48tgv7bnpo320endltdp4qqpir3600
TXTintersight=42d79a3618a8843e27174d6405d1c1effacecef29f248ec259a1133d043b5c5a3600
TXT_globalsign-domain-verification=ASEHzH085zgWDJZcOqX2IKb-tTYrTockt1-Jb-veYs3600
AAAA2620:12a:8001::1600
AAAA2620:12a:8000::1600

Technology stack

Build tool
webpack
Cache
Varnish
CDN
cdnjsFastlyjsDelivr
CMS
Drupal
Cookie consent
Termly
Fonts
Adobe Fonts
Hosting
Pantheon
JavaScript library
jQuerySlick
Monitoring
New Relic
Programming language
PHP
Security
HSTS
Tag manager
Google Tag Manager
UI framework
Foundation
Web server
Nginx

Analytics and advertising IDs

google_tag_manager:GTM-PC9LRS

SSL certificate

ValidValid
IssuerUS, YR1, Let's Encrypt
ExpiresFebruary 1, 2027
Days remaining83
ProtocolTLSv1.3
Names1day4du.du.edu, accessibility.du.edu, adminapps.du.edu, aging.du.edu, alumnitravel.du.edu, alumniweekend.du.edu, biology.du.edu, bootcamp.du.edu, cannabiseducation.du.edu, chemistry.du.edu, community.du.edu, du.edu

Email security

BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • 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], mailto:[email protected].
  • goodDKIM keys found (selector: selector1, s1, s2, mandrill).
  • good2 MX record(s) found. Mail is handled by Proofpoint.

Homepage metadata

TitleUniversity of Denver
DescriptionAt the University of Denver, learning leads to momentum. Discover programs, careers with purpose, and experiences that take you beyond the classroom.
Languageen
Canonicalhttps://www.du.edu/
IndexableYes
Word count1781

About du.edu

What technology does du.edu use?

We detected 17 technologies on du.edu, including webpack, Varnish, cdnjs, Fastly, jsDelivr, Drupal.

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

du.edu scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.

What are the name servers of du.edu?

du.edu uses ns4.p201.dns.oraclecloud.net, ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net.