indexo.dev

yellowbook.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 517 ms crawled 2026-05-19

US · 13.33.235.56 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Small Business Resources | Small Business | Yellowbook.com
Description
With these small business resources, we seek to save you time, energy, and money by delivering the information that you need in a clear and concise manner.

Technology

CDN
Amazon CloudFront
Server
nginx
Analytics
  • Google Tag Manager
Cookie consent
  • OneTrust

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×2
  • cdn.cookielaw.org×1
  • www.googletagmanager.com×1

Registration

Registrar
CSC Corporate Domains, Inc.
Created
1995-09-01
Expires
2026-08-31 102 days left
Updated
2025-08-27
Name servers
  • ns-1113.awsdns-11.org
  • ns-2039.awsdns-62.co.uk
  • ns-3.awsdns-00.com
  • ns-968.awsdns-57.net

DNS records live

NS
  • ns-1113.awsdns-11.org
  • ns-2039.awsdns-62.co.uk
  • ns-3.awsdns-00.com
  • ns-968.awsdns-57.net
MX
  • 0 yellowbook-com.mail.protection.outlook.com
TXT
  • i0TXAUOFIB+iUxx8aj76h/XESrqYkSRroxMZkC5PoIk+cwJP7usdVo3TzKG/fsYvD4r90zycpeJnOJGekSFwkQ==
  • u5ysnLpj1aop8flT3CdvEVBSGzlobCAqseyeHrA9+y7NuuF5Ja+Z1k2CzCk6GXTZcgc+jOhizXID7zDYdqMfsA==
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:12.111.223.1/24 ip4:64.199.226.1/24 include:spf.protection.outlook.com Include:spf-00232602.pphosted.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:8ojchm2q@ag.dmarcian.com;ruf=mailto:8ojchm2q@fr.dmarcian.com;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYfTDxwo14tt9diasXgInODd/H9yYJRHpleTOVKQpdtcbyRTehdw/8aM19KHwxtNZ52UqIIWjecezcI/xPph…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2026-02-25 to 2026-09-11
Expires in 113 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (2)