indexo.dev

x-energy.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 1154 ms crawled 2026-05-09

US · 141.193.213.20 · AS209242 Cloudflare London, LLC

Reputation 95/100 weak security headers

sector tech type homepage

HTML metadata

Title
X-energy — Advanced Nuclear Reactor & Fuel Design Engineering
Description
X-energy is an advanced nuclear reactor & fuel company. We develop Generation IV high-temperature gas cooled nuclear reactors (SMR) & TRISO fuel to power them.
Language
en-US
Canonical
https://x-energy.com/

Open Graph

url
https://x-energy.com/
title
X-energy — Advanced Nuclear Reactor & Fuel Design Engineering
locale
en_US
site name
X-energy
description
X-energy is an advanced nuclear reactor & fuel company. We develop Generation IV high-temperature gas cooled nuclear reactors (SMR) & TRISO fuel to power them.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Cookie consent
  • Cookiebot

Third-party hosts loaded (2)

  • consent.cookiebot.com×1
  • www.googletagmanager.com×1

Social

Contact

Address
st news straight to your inbox.hbspt.forms.create({ portalId: "50294

Registration

Registrar
Automattic Inc.
Created
2010-05-08
Expires
2027-05-08 353 days left
Updated
2026-04-18
Name servers
  • logan.ns.cloudflare.com
  • zara.ns.cloudflare.com

DNS records live

NS
  • logan.ns.cloudflare.com
  • zara.ns.cloudflare.com
MX
  • 0 xeniko.mail.protection.office365.us
TXT
Show 8 TXT records
  • 8tp1m4kff0534mfnc2mpnn1pk8
  • atlassian-domain-verification=834NkwWbZbS5/Gx7DG3fFTkZmbR645WjXYHXORUP5c03l8JttElLBYTdzufM9Wkd
  • atlassian-domain-verification=fXJT67GVm4aGW/FaSGLRNjbkLAQuJbq70AmG7AFRK7X3lLvlO6fSQLJqbmcqrv/P
  • atlassian-sending-domain-verification=c82f7272-f198-4030-8873-820cb596042a
  • box-domain-verification=999a285819012de429b06b47254d353e6e5c784c04a2f88f0f0a10dfa521d26c
  • ms=ms68312010
  • solarwinds-service0desk-verification=05875146d025e37c1bdfab971e64f3dc
  • specops-verification-code=ab401532-b21d-41ec-b7ee-42fc35773ce5

Email authentication strong

SPF
v=spf1 include:50294489.spf04.hubspotemail.net include:spf.protection.office365.us ip4:149.72.147.186 ip4:167.89.101.239 ip4:65.242.23.170 include:docebosaas.com include:servers.mcsv.net include:_spf.samanage.com ~all exp=spf.x-energy.com
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@x-energy.com; ruf=mailto:dmarc@x-energy.com; fo=1
policy: quarantine
DKIM
Show 4 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0d2nYrQHgUkHGQtk71K8fcaRT5xLCd5yZXtbElyM1jy5BSEmvE9EPjXBFrPJQH9AnRn78QoLAoPDqJ…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1uZivoczJqKG6TQcrl9oVamwnuzhWhQ84w4R4cPKf0HROR/9Wk37svNU1tUWY+xT33g5G0UktjvJ3EvwgH…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1hiZ8BCbth2wQNL9SulYmDjHaDdLYG57JhFZDGc6Q7hZJk6YSE82aYucMdgFqQXaSp8BBV6MbqV+U1zNhe…
selectors probed

Certificate (current)

WE1
from 2026-03-18 to 2026-06-16
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://x-energy.com/

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

Links to (7)

Linked from (2)