Education
Yes, rug.nl has good trustworthiness — most trust criteria are met, with some open points. The University of Groningen offers high-quality education and research for bachelor, master, and PhD students.
Verisite checked rug.nl on October 5, 2026 and gave it a trust score of 86/100. Out of 209 checks, 147 passed, with 33 warning(s) and 29 failed check(s).
86
/100
Trust Score
Good
10
Passed
2
Warning
0
Failed
Security Headers
Checks HTTP security headers and cookie security configuration.
Some security headers are missing or weakly configured.
Information Exposure
Checks for exposed sensitive files, directory listings, and information disclosure.
No exposed sensitive files or directories found.
Content Security
Scans page content for suspicious scripts, iframes, external forms, and cryptominers.
Some potentially suspicious content patterns were found.
SSL Certificate
Verifies the SSL/TLS certificate validity and configuration.
Valid SSL certificate found (expires 2026-12-01).
Domain Age
Checks the age of the domain registration. Very young domains are often associated with fraud.
This domain has been registered since 1988-06-02.
Privacy & Cookies
Checks for tracking cookies, consent mechanisms, and third-party trackers.
Tracking is present but a consent mechanism was detected.
Business Data
Checks for chamber of commerce number, VAT number, contact details, and required legal pages.
Business data is well represented on the website.
Reviews & Trust Seals
Checks external reviews (Trustpilot) and trust seals (Kiyoh, WebwinkelKeur).
Reviews could not be checked; Trustpilot blocked the request.
Malicious / Safety
Checks if the domain appears on known fraud or phishing lists.
This domain was not found on any known fraud or phishing lists.
Technology & Software
Detects CMS, frameworks, and JavaScript libraries and checks for outdated versions.
No outdated or vulnerable software detected.
Email Authentication
Analyzes SPF, DKIM and DMARC configuration for email authentication.
Email authentication is well configured with SPF, DKIM and/or DMARC.
Network & Transport
Checks open ports, HTTP protocol support, redirect chain, and mixed content.
Network configuration is secure and well optimized.
DNS & Server
Checks DNS records, server information and hosting details.
DNS records are properly configured.
Security Headers
Checks HTTP security headers and cookie security configuration.
57/100
Some security headers are missing or weakly configured.
- Domain
- rug.nl
- Cookies
-
- Total: 2
- Issues: jsessionid: missing Secure flag, jsessionid: missing SameSite attribute, bigipserverucms_pool_prod_9084: missing SameSite attribute
- Secure cookies: 0
- Insecure cookies: 2
- HSTS max-age
- 31536000
- Missing headers
- X-Content-Type-Options, Referrer-Policy, Permissions-Policy
- HSTS preload
- No
- CSP contains unsafe-eval
- No
- CSP contains unsafe-inline
- No
- Used browser fallback
- No
- Referrer-Policy
- No
- X-Frame-Options
- Yes
- HSTS includes subdomains
- No
- Permissions-Policy
- No
- X-Content-Type-Options
- No
- Content-Security-Policy
- Yes
- Strict-Transport-Security
- Yes
Technology & Software
Detects CMS, frameworks, and JavaScript libraries and checks for outdated versions.
100/100
No outdated or vulnerable software detected.
- Detected CMS
-
- Name:
- Slug:
- Version:
- Detected: No
- Confidence: none
- Domain
- rug.nl
- JavaScript libraries
- Pages scanned
- 11
- Vulnerable libraries
- Server technology
-
- Server:
- Powered by:
- X generator:
Information Exposure
Checks for exposed sensitive files, directory listings, and information disclosure.
100/100
No exposed sensitive files or directories found.
- Domain
- rug.nl
- Exposures
- Robots.txt analysis
-
- Exists: Yes
- Interesting paths:
- Failed probes
- 0
- Paths successfully probed
- 18
- Paths planned
- 18
- Exposures found
- 0
- Directory listing enabled
- No
Email Authentication
Analyzes SPF, DKIM and DMARC configuration for email authentication.
67/100
Email authentication is well configured with SPF, DKIM and/or DMARC.
- SPF
-
- Exists: Yes
- Policy: softfail
- Record: v=spf1 include:spf1.rug.nl include:spf2.rug.nl include:spf3.rug.nl include:spf4.rug.nl ~all
- Mechanisms: include:spf1.rug.nl, include:spf2.rug.nl, include:spf3.rug.nl, include:spf4.rug.nl, all
- Policy label: checks.email_spf_softfail
- Authorized senders: spf1.rug.nl, spf2.rug.nl, spf3.rug.nl, spf4.rug.nl
- DKIM
-
- Found: Yes
- Selectors: k2, k3, s1, s2, cm
- DMARC
-
- Exists: Yes
- Policy: none
- Record: v=DMARC1;p=none;pct=100;rua=mailto:rugmail@rug.nl,mailto:c4b0a07195@rua.easydmarc.eu;ruf=mailto:mwbeheer@rug.nl;fo=1
- Percentage: 100
- Policy label: checks.email_dmarc_none
- Has reporting: Yes
- Subdomain policy:
- Domain
- rug.nl
- Authorized senders
- spf1.rug.nl, spf2.rug.nl, spf3.rug.nl, spf4.rug.nl
Domain Age
Checks the age of the domain registration. Very young domains are often associated with fraud.
100/100
This domain has been registered since 1988-06-02.
- Domain
- rug.nl
- Registrar
- Rijksuniversiteit Groningen
- Registered
- 1988-06-02
- Age (days)
- 14004
Privacy & Cookies
Checks for tracking cookies, consent mechanisms, and third-party trackers.
98/100
Tracking is present but a consent mechanism was detected.
- Domain
- rug.nl
- Detected trackers
- Google Tag Manager
- Pages scanned
- 11
- Total cookies
- 2
- Third-party trackers found
- 1
- Consent platform
- Cookie Consent
- Tracking cookies
- Consent mechanism detected
- Yes
- Tracking cookies found
- 0
Network & Transport
Checks open ports, HTTP protocol support, redirect chain, and mixed content.
90/100
Network configuration is secure and well optimized.
- Domain
- rug.nl
- Open ports
- HTTP version
- HTTP/1.0
- Measurements performed
-
- Ports: No
- Protocol: Yes
- Redirect: Yes
- Mixed content: Yes
- Mixed content domains
- Pages scanned
- 12
- Redirect chain
- http://rug.nl, https://www.rug.nl/
- HTTP/2 support
- No
- Open ports found
- 0
- Redirect loop detected
- No
- Mixed content resources
- 0
- Redirect chain length
- 2
- HTTP redirects to HTTPS
- Yes
Content Security
Scans page content for suspicious scripts, iframes, external forms, and cryptominers.
70/100
Some potentially suspicious content patterns were found.
- Domain
- rug.nl
- Cryptominer scripts
- Pages scanned
- 13
- External form domains
- External script sources
- Obfuscation patterns
- 0
- Cryptominers detected
- 0
- Suspicious iframe details
-
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /about-ug/contact
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /search
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /education/application-enrolment-tuition-fees
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /education/master
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /education/master/nederlandse-studenten/studiekeuze-en-voorlichting/pre-master
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /education/phd-programmes
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /education/exchange
- https://www.googletagmanager.com/ns.html?id=GTM-P4555HJ3 — Hidden iframe — /shop
- https://www.googletagmanager.com/ns.html?id=GTM-WLHD85V — Hidden iframe — /privacy
- External form targets
- 0
- Obfuscated code patterns
- External script domains
- 0
- Suspicious iframes
- 11
Business Data
Checks for chamber of commerce number, VAT number, contact details, and required legal pages.
85/100
Business data is well represented on the website.
- Domain
- rug.nl
- Email address present
- Yes
- Phone number present
- No
- Terms and conditions present
- Yes
- Chamber of Commerce number found
- Yes
- Terms and conditions page
- /about-ug/organization/rules-and-regulations/general/algemene-privacyverklaring-rijksuniversiteit-groningen
- VAT number found
- No
- Chamber of Commerce number (possible)
- 01179037
- Physical address present
- Yes
- CoC found on
- /info/contact
- Pages scanned
- 14
- Return policy present
- No
- Privacy policy present
- Yes
- Privacy policy page
- /privacy
- Contact details found
- 2
Reviews & Trust Seals
Checks external reviews (Trustpilot) and trust seals (Kiyoh, WebwinkelKeur).
50/100
Reviews could not be checked; Trustpilot blocked the request.
- Domain
- rug.nl
- Kiyoh trust seal found
- No
- Trust seal present
- No
- Review sources
- Trustpilot page
- https://www.trustpilot.com/review/rug.nl
- Trustpilot profile found
- No
- WebwinkelKeur trust seal found
- No
- Trustpilot reachable
- No
Malicious / Safety
Checks if the domain appears on known fraud or phishing lists.
100/100
This domain was not found on any known fraud or phishing lists.
- Checked domain
- rug.nl
- Sources consulted
- local_lists, google_safe_browsing
SSL Certificate
Verifies the SSL/TLS certificate validity and configuration.
100/100
Valid SSL certificate found (expires 2026-12-01).
- Expiry date
- 2026-12-01
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- www.rug.nl
- Valid until
- 2026-12-01
- Valid from
- 2025-12-01
- TLS version
- TLSv1.3
- Serial number
- 0B1A4F673323A8279F8432580247854B
DNS & Server
Checks DNS records, server information and hosting details.
95/100
DNS records are properly configured.
- IP Address
- 129.125.2.51
- SPF record
- Yes
- IPv6 support
- Yes
- DMARC record
- Yes
- DNSSEC
- No
- MX Records
- ALT2.ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM, ASPMX.L.GOOGLE.COM, ASPMX2.GOOGLEMAIL.COM, ASPMX3.GOOGLEMAIL.COM
- Nameservers
- ns2.surfnet.nl, dns3.rug.nl, dns1.rug.nl, dns2.rug.nl, ns1.surfnet.nl
- Reverse DNS
- production.ucms.rug.nl
- IP Addresses
- 129.125.2.51
- IPv6 Addresses
- 2001:610:1a08:292:129:125:2:51
About this website
The University of Groningen, known as rug.nl, is one of the top 100 universities worldwide. This international university is recognized for its high-quality education and research. Students can choose from a wide range of programs across almost every field of study.
In addition to its academic reputation, rug.nl has several technical aspects that are important for the website's trustworthiness. The site has an SSL certificate, ensuring that data is transmitted securely. However, there are some warnings regarding security headers and content security.
What our scores mean for you
While rug.nl generally scores well, there are a few points of concern. The warning for security headers indicates that there are partial issues that may affect trust. This could mean that your data is not optimally protected. The content security warning may also indicate a risk to the safety of the site's content. Additionally, there is an error with the reviews, meaning the reliability of user feedback cannot be verified.
What this means
Verisite is an independent platform that conducts automated trust checks on websites. For visitors to rug.nl, this means that while the site is generally trustworthy, there are some risks to be aware of. For the university itself, it is important to address these points to maintain the trust of students and visitors.
Frequently asked questions
Does rug.nl have a valid SSL certificate?
Yes, rug.nl has a valid SSL certificate, which means your data is secure during transmission.
Has rug.nl ever been reported for fraud?
No external red flags have been found indicating fraud with rug.nl.
Why are there warnings for security headers?
The warning for security headers indicates that there are partial issues that may affect trust.
What does it mean that reviews are not verified?
This means that the reliability of user feedback on rug.nl cannot be confirmed.
Is rug.nl safe to use?
Overall, rug.nl is safe, but be aware of the open points that may affect trust.
What are the open points for rug.nl?
The open points relate to security headers, content security, and unverified reviews.