indexo.dev

sobrief.com

.com crawl

First seen 2026-05-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 1371 ms crawled 2026-05-18

US · 104.26.0.186 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
SoBrief: 26,000+ Free Book Summaries | Audio, PDF & EPUB
Description
Read any book in 10 minutes. 100% free to read. Fiction and non-fiction summaries. Audio in 40 languages. World's largest summary catalog. Read Top 100 Books of All Time. Free PDF/EPUB downloads. No sign-up needed.
Language
en

Open Graph

url
https://sobrief.com
title
SoBrief: 26,000+ Free Book Summaries | Audio, PDF & EPUB
description
Read any book in 10 minutes. 100% free to read. Fiction and non-fiction summaries. Audio in 40 languages. World's largest summary catalog. Read Top 100 Books of All Time. Free PDF/EPUB downloads. No sign-up needed.

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
  • Google Tag Manager

Third-party hosts loaded (3)

  • www.gstatic.com×4
  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
GoDaddy.com, LLC
Created
2024-06-25
Expires
2026-06-25 36 days left
Updated
2025-05-27
Name servers
  • ariella.ns.cloudflare.com
  • greg.ns.cloudflare.com

DNS records live

NS
  • ariella.ns.cloudflare.com
  • greg.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 6 TXT records
  • google-site-verification=_5I0SxGaU_fj-sacDHI0GkRzZZogC06tNrJj8-5e7fA
  • brevo-code:439879fa0af774977b12946d0c903095
  • facebook-domain-verification=rqsic1u9g1vjmsjsqns7zzjkmnpc4r
  • firebase=books-ff70b
  • google-site-verification=8L-2Jl_-X3aODIqJ-glTeO30pjYc9EMyfom4T8pGnOM
  • google-site-verification=MaXpCBofCcNUqOBzkzsmWqoofynV0ianbpewGuwWb4c

Email authentication partial

SPF
v=spf1 include:_spf.firebasemail.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwS3aOvAp4MF1c2G4jUyZ5/6OhubJR3+nF73S1DgJoQhZZc10cedNSLLINu37nea0RkyFVWax4oom1…
selectors probed

Certificate (current)

WE1
from 2026-04-07 to 2026-07-06
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)