blosc.org

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×1

Social

• github
• mastodon
• bluesky

Contact

Email

• blosc@blosc.org

Registration

Registrar

DNC Holdings, Inc.

Created

2009-05-18

Expires

2027-05-18 363 days left

Updated

2025-05-22

Name servers

• ns0.directnic.com
• ns1.directnic.com
• ns2.directnic.com
• ns3.directnic.com

DNS records live

NS

• ns0.directnic.com
• ns1.directnic.com
• ns2.directnic.com
• ns3.directnic.com

MX

• 0 web27.dnchosting.com

Email authentication weak

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://blosc.org/

findings

• missing HSTS
• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (12)

• github.io×6
• fosstodon.org×4
• bsky.app×4
• arstechnica.com×4
• data-apis.org×4
• getnikola.com×4
• ironarray.io×4
• numpy.org×4
• openzl.org×4
• python.org×4
• github.com×4
• wikipedia.org×4

Linked from (3)

• ironarray.io×4
• numpy.org×4
• fastlz.org×1