indexo.dev

opentimestamps.org

.org crawl

First seen 2026-05-25 · Last seen 2026-05-31 · ok HTTP/1.1 200 155 ms crawled 2026-05-29

US · 13.33.235.112 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
OpenTimestamps
Language
en

Open Graph

url
https://opentimestamps.org/
title
OpenTimestamps: a timestamping proof standard
description
OpenTimestamps aims to be a standard format for blockchain timestamping.

Technology

CDN
Amazon CloudFront
Server
nginx

Third-party hosts loaded (1)

  • plausible.casatta.it×1

Social

Registration

Registrar
Webnames.ca Inc.
Created
2012-06-07
Expires
2035-06-07 3293 days left
Updated
2026-05-05
Name servers
  • ns-1147.awsdns-15.org
  • ns-1973.awsdns-54.co.uk
  • ns-324.awsdns-40.com
  • ns-579.awsdns-08.net

DNS records live

NS
  • ns-1147.awsdns-15.org
  • ns-1973.awsdns-54.co.uk
  • ns-324.awsdns-40.com
  • ns-579.awsdns-08.net
TXT
  • keybase-site-verification=pejhYbBLTZBHEky7Wnyu_OuRcENgIRgpeD6QeBC_hW4

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon ECDSA 256 M01
from 2025-09-24 to 2026-10-24
Expires in 145 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (32)

Linked from (2)