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Domain answer

irsn.fr

59

live countable technologies on this host, of 67 live detections. Last looked 17 Aug 2026.

stale17 Aug 2026|first crawled 9 May 2020|HTTP 301|root domain, 23 hosts under it

Institut de Radioprotection et de Sûreté Nucléaire, known as Institute for Radiological Protection and Nuclear Safety, is a French research institute engaged in research, expertise, and training in nuclear safety, radioprotection, and environmental risks. The institute conducts research in nuclear safety, radioprotection, environmental risks, and non-proliferation, and provides services such as safety assessments, environmental monitoring, and training programs. It also develops tools and resources, including databases, codes, and scientific publications, and collaborates with international networks and participates in scientific committees and expert groups. The institute is involved in projects related to nuclear decommissioning and laser cutting technology, and serves as the French national public expert in nuclear and radiological risks.

What irsn.fr runs

Technologies with their datesof 67 live detections on this hostverified 17 Aug 2026

Technology
Category
First verified
Last verified
Seen
Version
2025-04-27
2026-08-04
x10
none seen
2026-08-09
2026-08-09
x1
none seen
2025-04-16
2026-08-17
x9
19.2.15
2025-04-30
2025-04-30
x1
1.8.2
2025-04-27
2026-08-17
x7
2.4.6
2025-04-30
2025-04-30
x2
none seen
2025-04-27
2026-08-04
x10
none seen
2026-08-09
2026-08-09
x1
none seen
2025-04-16
2026-08-17
x15
3.3.0
2025-04-27
2025-04-30
x3
none seen
2020-05-09
2025-04-30
x6
none seen
2025-04-30
2025-04-30
x1
3.5.17
2023-10-16
2025-07-15
x4
10
2020-05-09
2025-07-15
x4
none seen
2023-10-16
2025-07-15
x4
8.6.2
2023-10-16
2026-08-17
x11
4.7.0
2025-04-27
2026-08-17
x8
none seen
2025-04-15
2025-07-15
x3
none seen
2020-05-09
2025-05-01
x4
none seen
.NET Framework2026-08-04Programming Languages and Runtimesx10
Amazon Web Services2026-08-09Hosting and Cloud Providersx1
Angular2026-08-17JavaScript Frameworksx9
AngularJS2025-04-30JavaScript Frameworksx1
Apache HTTP Server2026-08-17Web Serversx7
Apache Tomcat2025-04-30Web Serversx2
Azure App Service2026-08-04Hosting and Cloud Providersx10
BlueKai2026-08-09Advertisingx1
Bootstrap2026-08-17UI Frameworks and Componentsx15
Bootstrap Icons2025-04-30Media and Assetsx3
Cloudflare2025-04-30Content Delivery and Edgex6
D32025-04-30JavaScript Librariesx1
DoubleClick Floodlight2025-07-15Retargeting and Attributionx3
Drupal2025-07-15CMS and Site Buildersx4
Facebook2025-07-15Social and Contentx4
Firebase2025-07-15Build and Developer Toolsx4
Font Awesome2026-08-17Media and Assetsx11
FortiWeb2026-08-17WAF and Bot Managementx8
Google Campaign Manager 3602025-07-15Advertisingx3
Google Font API2025-05-01Media and Assetsx4

20 of 59 live countable"Seen" is the number of snapshots the detection was verified in

39 more live countable technologies on this host, with their dates
Technology
Category
First verified
Last verified
Seen
Version
2025-04-17
2026-08-09
x5
2.0.7
2025-04-16
2025-04-30
x10
none seen
2020-05-09
2026-08-04
x11
10.0
2025-04-15
2025-07-15
x3
none seen
2025-04-16
2025-04-30
x6
none seen
2025-04-16
2026-08-17
x10
1.9.4
2025-04-15
2026-08-09
x8
none seen
2025-04-16
2026-08-17
x10
1.9.4
2025-04-16
2025-04-30
x3
4.17.21
2023-10-16
2025-07-15
x9
none seen
2020-05-09
2026-08-04
x11
4.0.30319
2025-04-30
2025-04-30
x1
1.8.6
2025-04-30
2025-04-30
x1
none seen
2025-04-27
2026-08-17
x6
1.0.2k
2023-10-16
2026-08-09
x11
8.1.31
2025-04-19
2025-04-30
x4
none seen
2025-04-30
2026-08-17
x3
none seen
2025-04-16
2025-04-30
x5
2.3.6
2025-04-16
2026-08-04
x19
none seen
2025-04-27
2026-08-04
x4
none seen
2025-04-15
2025-07-15
x3
none seen
2025-04-16
2026-08-17
x9
none seen
2025-04-19
2026-08-04
x5
2.5.16
2020-05-09
2026-08-04
x11
none seen
2025-04-15
2025-07-15
x3
none seen
2025-04-16
2026-08-17
x9
none seen
2025-04-16
2025-04-30
x5
none seen
2025-04-16
2025-04-30
x4
3.19.1
2020-05-09
2026-08-09
x31
3.5.1
2025-04-30
2025-04-30
x2
none seen
2025-04-15
2026-08-09
x27
none seen
2026-08-04
2026-08-04
x1
none seen
2025-04-16
2025-04-30
x4
3.5.0
2025-04-16
2026-08-04
x5
none seen
2023-10-16
2025-07-15
x12
1.13.2
2025-04-30
2025-04-30
x2
1.2.46
2023-10-16
2025-07-15
x4
none seen
8 web standards present on this host, not counted

CSS, Cart Functionality, HSTS, HTML, HTML5, JavaScript, JavaServer Pages, Open Graph

46 technologies seen on earlier snapshots and missing from the latest one, kept with their last verified date
Technology
Category
First verified
Last verified
Web Analytics
2020-05-09
2020-05-09
Web Analytics
2020-05-09
2020-05-09
CMS and Site Builders
2025-04-19
2025-04-19
Programming Languages and Runtimes
2025-04-27
2025-04-30
JavaScript Libraries
2025-04-17
2025-04-17
Consent and Privacy
2025-04-16
2025-04-16
JavaScript Libraries
2025-04-17
2025-04-17
CMS and Site Builders
2025-04-16
2025-04-16
Page Builders
2025-04-16
2025-04-16
Web Frameworks
2025-04-19
2025-04-19
Social and Content
2020-05-09
2020-05-09
Web Analytics
2020-05-09
2025-04-16
Tag Management
2020-05-09
2025-04-16
JavaScript Libraries
2025-04-17
2025-04-17
Media and Assets
2025-04-16
2025-04-16
JavaScript Libraries
2025-04-16
2025-04-16
CMS and Site Builders
2020-05-09
2020-05-09
JavaScript Libraries
2025-04-29
2026-08-17
Web Analytics
2025-04-16
2025-04-16
Databases and Data Engineering
2025-04-16
2025-04-16
Programming Languages and Runtimes
2025-04-19
2025-04-19
JavaScript Frameworks
2025-04-19
2025-04-19
Mobile and App Frameworks
2025-04-19
2025-04-19
Web Standards and Capabilities
2025-04-16
2025-04-16
CMS and Site Builders
2025-04-16
2025-04-16
IT Operations and Remote Access
2025-04-19
2025-04-19
Programming Languages and Runtimes
2020-05-09
2020-05-09
Web Frameworks
2020-05-09
2020-05-09
Build and Developer Tools
2025-04-17
2025-04-17
JavaScript Libraries
2020-05-09
2020-05-09
Web Frameworks
2025-04-17
2025-04-17
JavaScript Libraries
2025-04-17
2025-04-17
JavaScript Libraries
2025-04-16
2025-04-16
JavaScript Libraries
2025-04-16
2025-04-16
JavaScript Libraries
2025-04-16
2025-04-16
Media and Assets
2025-04-16
2025-04-16
Content Delivery and Edge
2025-04-16
2025-04-16
Performance and Caching
2020-05-09
2020-05-09
Build and Developer Tools
2025-04-16
2025-04-19
CMS and Site Builders
2025-04-16
2025-04-16

Resolved company

Institute for Radiological Protection and Nuclear Safety

Legal nameInstitut de Radioprotection et de Sûreté Nucléaire
CategoryResearch Institutes
Industrymostly 541715 in 54 Professional, Scientific, and Technical Services (50.0%)
Also541690 in 54 Professional, Scientific, and Technical Services (30.0%)
HQIDF, France
Founded2002
Employees10 to 100
Veridion ID3S2YB444HSVD5EVD

Hosts under irsn.fr

Hostsof 23 sharing this rootlatest verified 17 Aug 2026

fresh, within 30 days2
recent, within 90 days3
stale, more than a year18

Freshness on the fixed day scale18 of 23 hosts were last verified more than a year ago

Host
Verified
fresh17 Aug 2026
fresh17 Aug 2026
recent10 Aug 2026
recent4 Aug 2026
stale24 Feb 2026
stale15 Jul 2025
stale2 May 2025
emma.irsn.frfresh17 Aug 2026
maintenance.irsn.frfresh17 Aug 2026
dosimetrie.irsn.frrecent10 Aug 2026
patio.irsn.frrecent4 Aug 2026
siseri.irsn.frstale24 Feb 2026
irsn.frstale15 Jul 2025
cipre.irsn.frstale2 May 2025

8 of 23 hosts, the most recently verifiedAll 23 hosts and their dates

The 23 hosts and their dates
HostFirst crawledLast crawledFreshness
irsn.fr2020-05-092025-07-15stale
badimis.irsn.fr2025-04-292025-04-30stale
barometre-graphiques.irsn.fr2025-04-272026-08-09recent
bdfa.irsn.fr2025-05-012025-05-01stale
camari-planning.irsn.fr2025-04-272025-04-30stale
cartoradon.irsn.fr2025-04-302025-04-30stale
cidrre.irsn.fr2025-04-272025-04-30stale
cildi.irsn.fr2025-04-282025-04-30stale
cipre.irsn.fr2025-05-022025-05-02stale
dosimetrie-visite-virtuelle.irsn.fr2025-04-282025-04-30stale
dosimetrie.irsn.fr2025-04-272026-08-10recent
emma.irsn.fr2025-04-292026-08-17fresh
gforge.irsn.fr2025-04-302025-04-30stale
maintenance.irsn.fr2025-04-272026-08-17fresh
mediatheque.irsn.fr2025-05-012025-05-01stale
mimausabdd.irsn.fr2025-04-292025-04-30stale
non-proliferation.irsn.fr2025-04-302025-04-30stale
patio.irsn.fr2025-04-272026-08-04recent
serwx.irsn.fr2025-05-022025-05-02stale
sigis.irsn.fr2025-04-302025-04-30stale
siseri-sandbox.irsn.fr2025-04-282025-04-30stale
siseri.irsn.fr2025-12-312026-02-24stale
teleray-tiles.irsn.fr2025-04-272025-04-30stale

What Institute for Radiological Protection and Nuclear Safety is classified as

541715 in Professional, Scientific, and Technical Services500
541690 in Professional, Scientific, and Technical Services300
611430 in Educational Services200

Share of the entity's activity3 codes, heaviest first, per milleverified 17 Aug 2026

The 3 codes in this chart
CodeShareScore
54171550.0%1.00
54169030.0%1.00
61143020.0%1.00

Open as a segment

Companies running jQuery UI, mod_jk, reCAPTCHA, the 3 least common technologies on this host. Counting is free; change the set on the segment page.

/companies/tech-jquery-ui/tech-mod-jk/tech-recaptcha

Count them, free