informit.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 4630 ms crawled 2026-05-18

GB · 159.182.75.47 · AS29016 Pearson Shared Services Ltd

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: InformIT: The Trusted Technology Source for IT Pros and Developers
Description: Resources from the authors, creators, innovators, & leaders of technology - home to leading publishers Addison-Wesley Professional, & Sams.
Canonical: https://www.informit.com/

Technology

Server: Microsoft-IIS

Analytics

Google Tag Manager

Cookie consent

OneTrust

Third-party hosts loaded (4)

www.googletagmanager.com×2
cdn.cookielaw.org×1
cdnjs.cloudflare.com×1
code.jquery.com×1

Registration

Registrar

CSC Corporate Domains, Inc.

Created

1999-01-28

Expires

2027-01-28 254 days left

Updated

2026-01-24

Name servers

ns1.pearson.com
ns2.pearson.com

DNS records live

NS

dns-amer-2.ptns.pearson.com
dns-apac-1.ptns.pearson.com
dns-emea-1.ptns.pearson.com

MX

10 informit-com.mail.protection.outlook.com

TXT

google-site-verification=AIyDZJCKtANUuH8DFxSIwoLAh2lqGH4FOiu9RVbSMJo
MS=ms18659953

Email authentication strong

SPF

v=spf1 include:_spf.informit_com._d.easydmarc.pro ~all

softfail (~all)

DMARC

v=DMARC1;p=reject;rua=mailto:bb264152e6@rua.easydmarc.us,mailto:dmarc_agg@dmarc.everest.email;ruf=mailto:bb264152e6@ruf.easydmarc.us,mailto:dmarc_fr@dmarc.everest.email;fo=1;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtVW3MjAJlFT1V49ensyZCUZ/A1WbBRreWx9tJJ+cxC3m/wu9eZOdEb/iy0W7Kqpmr+R+1o1Rv1veZ0…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1F9eTv02hXK+5xfPEq5C2NbJEEnVkVtFDqnOUEv9dB1ucVUXXb9kNe8fWke7vzakljmGyeLXSNLEYA…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA OV R36

from 2025-07-25 to 2026-07-26

Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.informit.com/

present

x-frame-options

findings

missing HSTS
missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN