indexo.dev

clos.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 304 ms crawled 2026-05-07

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Tianyu Gu (顧天宇)
Language
en
Generator
Org Mode

Technology

CDN
Fastly
Server
GitHub.com
CMS
Gatsby

Social

Contact

Email

Registration

Registrar
NameCheap, Inc.
Created
1996-05-28
Expires
2028-05-27 739 days left
Updated
2023-05-15
Name servers
  • gabe.ns.cloudflare.com
  • mimi.ns.cloudflare.com

DNS records live

NS
  • gabe.ns.cloudflare.com
  • mimi.ns.cloudflare.com
MX
  • 10 mail.protonmail.ch
  • 20 mailsec.protonmail.ch
TXT
  • protonmail-verification=57e0add853eaf295104e5e36d207df21da2e9ec7

Email authentication strong

SPF
v=spf1 include:_spf.protonmail.ch ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-19 to 2026-07-18
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)