redshelf.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-17 · ok HTTP/1.1 200 971 ms crawled 2026-05-07

US · 104.18.36.61 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: RedShelf
Description: Buy, sell and read - eBooks, textbooks, academic materials, magazines, documents and other digital content on RedShelf, the HTML5 cloud reader and marketplace.
Language: en-US

Technology

CDN: Cloudflare
CMS: Gatsby

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
global.localizecdn.com×1

Social

Contact

Address: 500 N. Dearborn St. #1200, 60654, Chicago, Illinois, United States

Registration

Registrar

GoDaddy.com, LLC

Created

2009-10-03

Expires

2026-10-03 136 days left

Updated

2025-06-11

Name servers

aida.ns.cloudflare.com
jonah.ns.cloudflare.com

DNS records live

NS

aida.ns.cloudflare.com
jonah.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 6 TXT records

MS=ms24851448
ZOOM_verify_QZqT0MAexyIlVTrKQAaTZV
_globalsign-domain-verification=pGD5A-mKwY4l2tQl8gtl-sSGB9qpQuYOdiIqu_bBHe
apple-domain-verification=hCAks5WDK2mWUUdz
google-site-verification=_a47EI7-8GQ4GssUpFhl3WVOdWKg0aYqHwyjBL92-GI
stripe-verification=1986e0e953679701e7362389991b9783d7e7b4e0097c8a23cc542b4be5538ce7

Email authentication partial

SPF

v=spf1 include:_spf.google.com include:amazonses.com include:sendgrid.net include:servers.mcsv.net include:spf.protection.outlook.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=5; rua=mailto:dmarc@redshelf.com

policy: none (monitoring only) · pct=5

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjpDZYRca3qprnMrNXQRuQFDdkP/zfkA9tFp9Efm42HXysC0qtKNCqPVwevXwKrcKcQjpGha8C++bq6…
k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDSrm8mxEyOt+C+OrgCHF4q5CfqV4cTiHFQiGLBsfvbN0zhq46ppHkA8FWN6nyAZr4EyUk3aF26+oj/Ttc9z32k/u…

selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2026-02-19 to 2027-03-23

Expires in 308 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://redshelf.com/

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=31536000; includeSubDomains