indexo.dev

flashbackbooks.com

.com crawl

First seen 2026-05-02 · Last seen 2026-05-09 · ok HTTP/1.1 200 1982 ms crawled 2026-05-09

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Flashback Books: Rare Books on Psychedelic Culture
Description
Flashback Books deals exclusively in rare and out-of-print books, periodicals, and related materials on the history, science, literature and culture of currently outlawed drugs.

Technology

CDN
Cloudflare

Contact

Email

Registration

Registrar
Tucows Domains Inc.
Created
2000-02-17
Expires
2027-02-17 273 days left
Updated
2025-01-15
Name servers
  • rory.ns.cloudflare.com
  • serena.ns.cloudflare.com

DNS records live

NS
  • rory.ns.cloudflare.com
  • serena.ns.cloudflare.com
MX
  • 10 mail.flashbackbooks.com

Email authentication weak

SPF
v=spf1 +mx +a +ip4:205.174.25.155 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqAAxw0PGWmyVk7zYJEKTIIxAQq4vuZpi2bhUEsRRp+hkxph/9bC23qPGFS3/q96HRRdwjWd2QXsrHM…
selectors probed

Certificate (current)

WE1
from 2026-04-20 to 2026-07-20
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)