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alexestner.com

.com ok HTTP/1.1 200 1869 ms

First seen 2026-06-03 · Last seen 2026-06-18 · crawled 2026-06-18

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

sector tech subsector software saas type homepage

HTML metadata

Title
Alex Estner | GTM-Advisory for early-stage SaaS founders
Description
Helping B2B SaaS founders from €0 to €1 million ARR build and execute their Go-to-market strategy with actionable content and hands-on 1-on-1 GTM advisory.
Language
en

Open Graph

title
Alex Estner | GTM-Advisory for early-stage SaaS founders
description
Helping B2B SaaS founders from €0 to €1 million ARR build and execute their Go-to-market strategy with actionable content and hands-on 1-on-1 GTM advisory.

Technology

CDN
Cloudflare
jQuery
3.5.1
Cookie consent
  • Usercentrics

Third-party hosts loaded (5)

  • cdn.prod.website-files.com×117
  • substackapi.com×2
  • app.lemlist.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • web.cmp.usercentrics.eu×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2021-10-19
Expires
2026-10-19 119 days left
Updated
2025-10-18
Name servers
  • perla.ns.cloudflare.com
  • vicente.ns.cloudflare.com

DNS records live

NS
  • perla.ns.cloudflare.com
  • vicente.ns.cloudflare.com
MX
  • 1 smtp.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:spf.privateemail.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl/wmCynkgs/uQzUYZ6R39YNquXNTU+MyLU/f+Sz/DbrP6FihZeafh1ShpVHfMBmvuU2WlmgHCNxXL+…
selectors probed

Certificate (current)

WE1
from 2026-05-13 to 2026-08-11
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.alexestner.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
findings
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000

Links to (5)

Linked from (1)

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