jadjoubran.io

.io crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 779 ms crawled 2026-05-07

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 97/100 dmarc monitor-only

Classifying

HTML metadata

Title

Jad Joubran | Web Consultant, Speaker, and Educator

Description

I'm Jad Joubran, an independent JavaScript and Web Performance Consultant based in Amsterdam. I teach the next generation of ambitious developers on my own interactive learning platform.

Language

Translations

Open Graph

title: Jad Joubran
site name: Jad Joubran
description: I'm Jad Joubran, an independent JavaScript and Web Performance Consultant based in Amsterdam. I teach the next generation of ambitious developers on my own interactive learning platform.

Technology

CDN: Netlify

Third-party hosts loaded (2)

res.cloudinary.com×50
jadjoubran.nl×1

Social

Contact

Phone

862410228

DNS records live

NS

dns1.p04.nsone.net
dns2.p04.nsone.net
dns3.p04.nsone.net
dns4.p04.nsone.net

MX

10 mxa.mailgun.org
10 mxb.mailgun.org

TXT

brevo-code:2cad3c486b7c5e7ded5879ae1ea6a5fc
google-site-verification=hEU7cFvGBqiXCWOj9XV_OrB3elwIAwYQMqpoLrubXQU

Email authentication strong

SPF

v=spf1 include:mailgun.org ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

policy: none (monitoring only)

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

from 2026-04-11 to 2026-07-10

Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://jadjoubran.io/

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