indexo.dev

sustainable-computing.io

.io crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 385 ms crawled 2026-05-31

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Kepler
Language
en
Generator
mkdocs-1.6.1, mkdocs-material-9.7.6
Translations
  • en
  • zh

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Social

DNS records live

NS
  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org
MX
  • 10 alt1.gmr-smtp-in.l.google.com
  • 20 alt2.gmr-smtp-in.l.google.com
  • 30 alt3.gmr-smtp-in.l.google.com
  • 40 alt4.gmr-smtp-in.l.google.com
  • 5 gmr-smtp-in.l.google.com

Email authentication weak

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

Certificate (current)

R12
from 2026-05-01 to 2026-07-30
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://sustainable-computing.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 (3)

Linked from (1)