slicer.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 5752 ms crawled 2026-05-19

US · 138.197.225.173 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

sector health type blog

HTML metadata

Title: 3D Slicer image computing platform | 3D Slicer
Description: 3D Slicer is a free, open source software for visualization, processing, segmentation, registration, and analysis of medical, biomedical, and other 3D images and meshes; and planning and navigating image-guided procedures.
Generator: Jekyll v4.3.4
Canonical: https://slicer.org/

Open Graph

url: https://slicer.org/
title: 3D Slicer image computing platform
locale: en_US
site name: 3D Slicer
description: 3D Slicer is a free, open source software for visualization, processing, segmentation, registration, and analysis of medical, biomedical, and other 3D images and meshes; and planning and navigating image-guided procedures.

Technology

Server: nginx

Analytics

Google Tag Manager

Fonts

Font Awesome

Third-party hosts loaded (4)

cdn.jsdelivr.net×3
ajax.googleapis.com×1
use.fontawesome.com×1
www.googletagmanager.com×1

Social

Contact

Address: st update 2026

Registration

Registrar

NameCheap, Inc.

Created

1999-09-21

Expires

2027-09-21 489 days left

Updated

2023-01-23

Name servers

dns1.registrar-servers.com
dns2.registrar-servers.com

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

MX

10 eforward1.registrar-servers.com
10 eforward2.registrar-servers.com
10 eforward3.registrar-servers.com
15 eforward4.registrar-servers.com
20 eforward5.registrar-servers.com

TXT

google-site-verification=b64foJNVUwFUI8Rb8F6Il_WK0w4Ge_NFWCnbrQZUeVk

Email authentication weak

SPF: v=spf1 include:spf.efwd.registrar-servers.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-23 to 2026-07-22

Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.slicer.org/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: same-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=15768000; includeSubDomains