indexo.dev

penumbraprint.com

.com crawl

First seen 2026-04-29 · Last seen 2026-05-07 · ok HTTP/1.1 200 1629 ms crawled 2026-05-07

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

sector other type blog

HTML metadata

Title
Penumbra Print Shop | Home
Language
en
Generator
The very hands of Sloan
Canonical
https://www.penumbraprint.com/

Open Graph

url
https://www.penumbraprint.com/
title
Penumbra Print Shop | Home
site name
Penumbra Print Shop
description
Penumbra Print Shop is Robin Sloan’s new manufacturing project.

Technology

CDN
Cloudflare
Fonts
  • Adobe Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×1
  • dublincore.org×1
  • use.typekit.net×1

Registration

Registrar
Cloudflare, Inc.
Created
2026-03-05
Expires
2027-03-05 290 days left
Updated
2026-03-05
Name servers
  • alexis.ns.cloudflare.com
  • jean.ns.cloudflare.com

DNS records live

NS
  • alexis.ns.cloudflare.com
  • jean.ns.cloudflare.com
MX
  • 50 route1.mx.cloudflare.net
  • 6 route3.mx.cloudflare.net
  • 97 route2.mx.cloudflare.net

Email authentication strong

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; ruf=mailto:dmarc@robinsloan.com; rua=mailto:dmarc@robinsloan.com; fo=1; pct=100; adkim=r; aspf=r
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-02 to 2026-07-31
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.penumbraprint.com/

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

Linked from (2)