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open.umn.edu

We believe that the future of education is open. We support initiatives that advance that vision coupled with tangible results that build access to resources, research, and communities committed to open education.

Education & Learning
No paid content found
Visit website
Profile views 11 Outbound visits 2 Normal
Center for Open Education Full homepage screenshot

At a glance

Category
Education & Learning
Language
English
Paid-content signal
No paid content foundObserved
Registered
Unknown
Hosting
umn.eduInferred
HTTPS certificate trusted
PassedObserved
Last updated

Related questions

More questions →
What is open.umn.edu?
We believe that the future of education is open. We support initiatives that advance that vision coupled with tangible results that build access to resources, research, and communities committed to open education.
Does open.umn.edu offer paid content?
Unknown.
What languages does open.umn.edu support?
Primary language: English.
How can I visit open.umn.edu?
Use the Visit website link to open the website in a new tab.
What are some alternatives to open.umn.edu?
Related websites include zerotothree.org, zbib.org, zathura.dev, yousician.com, yorku.ca, york.ac.uk. Compare their features and pricing for your needs.

Website Overview

Identifiable technologies and additional version or configuration signals make the service easier to fingerprint, which may help targeted scanners narrow their checks. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Unknown

DNS and Email

Nameservers are provided by umn.edu, indicating managed DNS hosting. MX records point to the umn.edu email service. SPF and DMARC are configured. DKIM status is unknown. TXT records include verification markers for Google, Apple, Atlassian, Meta. Such markers may also remain after a service stops being used. The lowest observed DNS TTL is 166 seconds.

TLS and Certificates

The certificate includes the organization field University of Minnesota-Twin Cities. The public key uses EC with 256 bits. The server supplied a complete certificate chain. The certificate is valid for about 199 days in total, with 160 days remaining. The certificate covers the main domain and its usual www hostname.

HTTP and Browser Security

The Server header exposes the software version: Apache/2.4.62 (Red Hat Enterprise Linux) OpenSSL/3.5.5. This makes version-targeted checks easier, but is not proof of an exploitable vulnerability. The response lacks these common security headers: Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. No explicit CDN or WAF marker was found in the response headers.

Technology Stack Analysis

The public page identifies Bootstrap, Google Tag Manager, Apache 2.4.62, with exact versions exposed for 1 technologies. These details can narrow vulnerability checks, although exposure alone is not a vulnerability.

Search and Social Sharing

The meta description has 213 characters and may be shortened in search results. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 25 characters, within a common display range. The observed directives allow indexing and link following.

Hosting and Email
DNSumn.edu
Hostingumn.edu
Emailumn.edu
Approximate IP geolocation (inferred; a CDN or proxy may differ from the origin server) United States flagChanhassen, Minnesota, United States Inferred 134.84.72.28

Registration details

RDAP / WHOIS

Unknown

DNS records

DNS

TypeNameValueTTLPriority
Acehd-oen-prd-app.oit.umn.edu134.84.72.28600—
MXumn.edumta-p10.oit.umn.edu30010
MXumn.edumta-p11.oit.umn.edu30010
MXumn.edumta-p12.oit.umn.edu30010
MXumn.edumta-p13.oit.umn.edu30010
MXumn.edumta-p14.oit.umn.edu30010
MXumn.edumta-p15.oit.umn.edu30010
MXumn.edumta-p16.oit.umn.edu30010
MXumn.edumta-p17.oit.umn.edu30010
MXumn.edumta-p18.oit.umn.edu30010
MXumn.edumta-p9.oit.umn.edu30010
NSumn.eduns-1.umn.edu18000—
NSumn.eduns-2.umn.edu18000—
NSumn.eduns-3.umn.edu18000—
TXTumn.edu00D1I000001Y4P3=1TBPK00000000Uf18000—
TXTumn.edu2D9F3DEF1EAEA45AFB4504B75E7C339718000—
TXTumn.eduBuSRSV-I4LFckim4kxvlI0WQOYObJ9vg3lQ5MhlBWxg18000—
TXTumn.eduCEE0C7EEB14D8FF2F9F92EF3F2B19BC418000—
TXTumn.eduSFMC-uvdoBSNHkN6toGlYWm1FlmCWDZ8uapF8MObFT8Rw18000—
TXTumn.eduadobe-idp-site-verification=533d55adea674049ed1e2cd9cf739dc750b3a58bf6e25f829957cd9d73d10ef018000—
TXTumn.eduadobe-sign-verification=d69e93ac41219796b26cba9310e971218000—
TXTumn.eduairtable-verification=86ca05033b7ec8446d4adeb5bc254f4c18000—
TXTumn.eduapple-domain-verification=A6Oxx5bq3St7zyps18000—
TXTumn.eduatlassian-domain-verification=JUFa/q5L3HA4ZlBtkO/mv9TiZJuNJwNzbrFLhGLRoT0R1aKP5sjDfFDZgIqlRnBB18000—
TXTumn.eduatlassian-domain-verification=MFUc2OLg1uQqO7F24lHPEEq6g0qQQTdJDAi80TIgPXv28ol/XjImAgXFk0/zMfsV18000—
TXTumn.eduatlassian-sending-domain-verification=9f5bf4b7-9dd3-485e-854f-6853f8933e1b18000—
TXTumn.edubrevo-code:e4239334ff7c958c825273bf278e6a8b18000—
TXTumn.edubw=v87ONdGSvsjk/4JGt32/pC/fkD9UfUDt5Qm5nqZCLSXt18000—
TXTumn.edud365mktkey=4td50tnfdmzqorva8dd7a8o6418000—
TXTumn.edudruide-validation-domaine=9866904368DE23605ED2282c6E4e342418000—
TXTumn.eduebgt45m9jhokmave56qvo8srmk18000—
TXTumn.edufacebook-domain-verification=mzibgsdpyptawkvt6a4c4yte4ayhpl18000—
TXTumn.edugoogle-site-verification=Es1erITrwjkw3caQRy1-3mXuMEeedQdEDw4YOtRGmB818000—
TXTumn.edugoogle-site-verification=PzQzTFPGRFXTQd33T1OefmGAqnVSTxwrkP9zvhU8uyQ18000—
TXTumn.edugoogle-site-verification=XSXbEgpTI-Oi_fiIqTsykKhtGU2Z8FwZALXc6En0eK018000—
TXTumn.edugoogle-site-verification=xMJ88_noLCp84xYaf3jBIwkW2WM7G_-kqfAravV7rC818000—
TXTumn.eduhcp-domain-verification=c8ba4f98002fc43e042cff88e8224b05f9796de8005fb96e776bbbd20e6137b418000—
TXTumn.eduintacct-esk=4B16FAE4892F9E5EE06347068D0AD40E18000—
TXTumn.edulovable_verification=lwxLie4aaEL484OG16FC18000—
TXTumn.eduonx=02f6a30c-5329-4432-a261-ddac492ca6b018000—
TXTumn.eduopenai-domain-verification=dv-C9dCmxvL1qt7DgI9TV9jhR4V18000—
TXTumn.edupardot_305021_*=5eb8363114bc9ac34d5c400357638224ea7e6c5dfd3cb84c30b92daf77c4e30418000—
TXTumn.edusmartsheet-site-validation=oln3j44eifwpPY5TTOgruEi8lCmPiTLW18000—
TXTumn.eduv=spf1 include:_spf.google.com include:servers.mcsv.net include:_spf.umn.edu ?all18000—
TXTumn.eduyahoo-verification-key=katGNQ+N1wsJbzwlp0m0seqipe/c3prEo8ZB8HL/0w8=18000—
CNAMEopen.umn.educehd-oen-prd-app.oit.umn.edu300—
DMARC_dmarc.umn.eduv=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]166—

TLS and certificates

TLS / SSL

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectopen.umn.edu
IssuerInternet2
Valid until2027-03-07T18:51 · Remaining when checked: 160 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HTTP

HeaderValue
content-typetext/html; charset=utf-8
cache-controlno-cache
serverApache/2.4.62 (Red Hat Enterprise Linux) OpenSSL/3.5.5
strict-transport-securitymax-age=63072000; includeSubDomains
content-security-policydefault-src 'none'; base-uri 'self'; connect-src 'self' *.adtrafficquality.google *.google-analytics.com *.analytics.google.com *.googletagmanager.com; font-src 'self' data:; frame-src 'self' *.googletagmanager.com *.adtrafficquality.google; img-src 'self' data: blob: *.google-analytics.com *.googletagmanager.com *.google.com *.google.com *.adtrafficquality.google; manifest-src 'self'; media-src 'self'; object-src 'none'; script-src 'self' *.googletagmanager.com *.google-analytics.com *.google.com *.pipedrive.com *.pipedriveassets.com 'nonce-Yb0tacOecddq9CEYAYsqOA=='; style-src 'self' 'unsafe-hashes' *.google.com *.googletagmanager.com cdn.jsdelivr.net 'sha256-WJaG4lTI5A6x/uOOHpD1PHcTOPVepR63SMN3UPW21iM=' 'sha256-H1pN4W/TdQCZntiHk/2KYpxqSUDH5n/l8dEnUsBLpiQ=' 'sha256-j3IpxrzeAQvMUVIsbF41hfAwxwrlhppPCYeOYMaHvOQ=' 'sha256-qPSpDa0vRLwAKt3Zh5Xg1oza5B1Z3OCzqyFCsUDozac=' 'sha256-jAs5QdcjRGXRhWzIIZ5BwHhpMX8QmoIcjlf2ENDsP4Y=' 'sha256-SF0fwvp/pl0CoOrptJ73S8sUVkPVT3xfaRAjhyKp2lQ=' 'sha256-sLq7czA6SM7xIhJD6y+5QCxSDASHqKLLF67tt+VjNU4=' 'sha256-22bvWKPabcbc6dmJrFUd/iI9JaAVAcqsO9BRtp7AIoA=' 'sha256-Jhv2PF3lkSv7K4WgBYUuOLY0ci/GN1EPxWWcqdI33bI=' 'sha256-2ZDbJwQ1ZLulOIw3c1gBQLMccTUoRsYfyAyOHQwSFuE=' 'sha256-y6zCaRJTEYcd6b4HXcccpN3LhkkdThbuDIKq6NK+jTw=' 'sha256-jX1Kb9+kFJ2i13oD22Q7NBSxh5UA1UmqREwulcRZ7eU=' 'sha256-EiWS2/ZbiRJSNkr/vM8Db+YLvOvvzcssTcq3QQ7QP48=' 'nonce-Yb0tacOecddq9CEYAYsqOA=='; worker-src 'self' blob:; frame-ancestors 'self'; style-src-elem 'self' 'unsafe-inline' *.google.com
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin

Identified technologies
BootstrapGoogle Tag ManagerApache 2.4.62

Pages, Search and Sharing
Meta descriptionWe believe that the future of education is open. We support initiatives that advance that vision coupled with tangible results that build access to resources, research, and communities committed to open education.
Canonical URLNot detected
LanguageEnglish (default)
Twitter CardNot detected

Social Sharing Preview

Unknown

robots.txt (opens in a new tab)

2 rules
All bots 1 allowed · 0 disallowed
  • Allow/
  • IntervalCrawl delay 120 seconds
bytespider | byte spider | bytedance 0 allowed · 1 disallowed
  • Disallow/

Sitemaps

1

User reviews (0)

  • No reviews yet.