indexo.dev

spack.io

.io crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 773 ms crawled 2026-05-19

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Spack
Description
A flexible package manager supporting multiple versions, configurations, platforms, and compilers.
Language
en-US
Canonical
https://spack.io/
Feeds

Open Graph

url
https://spack.io/
title
Spack
locale
en_US
site name
Spack
description
A flexible package manager supporting multiple versions, configurations, platforms, and compilers.

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×2

Social

Contact

Email

DNS records live

NS
  • ns-1030.awsdns-00.org
  • ns-1847.awsdns-38.co.uk
  • ns-277.awsdns-34.com
  • ns-585.awsdns-09.net
MX
  • 10 inbound-smtp.us-west-2.amazonaws.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://spack.io/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (6)

Linked from (1)