denholm-energy.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-17 · ok HTTP/1.1 200 2644 ms crawled 2026-05-14

GB · 157.96.64.107 · AS31727 Node4 Limited

Reputation 100/100

Classifying

HTML metadata

Title
Denholm Energy | Denholm Energy
Language
en
Canonical
https://denholm-energy.com/

Open Graph

url
https://denholm-energy.com/
title
Denholm Energy
site name
Denholm Energy

Technology

Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
123-Reg Limited
Created
2019-08-19
Expires
2026-08-19 90 days left
Updated
2025-08-20
Name servers
  • ns67.domaincontrol.com
  • ns68.domaincontrol.com

DNS records live

NS
  • ns67.domaincontrol.com
  • ns68.domaincontrol.com
MX
  • 10 uk-esec-01.heimdalsecurity.com
  • 10 uk-esec-02.heimdalsecurity.com
TXT
  • dell-technologies-domain-verification=denholm-energy.com_0ce5b55a-3589-4ab4-bb5d-768247ad75c7_1724321704
  • Foxit-domain-verification=8fb8d54091427748cb76e2967a9ccdea

Email authentication strong

SPF
v=spf1 ip4:20.108.5.80/32 ip4:20.117.148.200/32 include:spf.multifreight.ltd.uk include:authsmtp.com include:spf.protection.outlook.com include:spf-esec-uk.heimdalsecurity.com include:spf.UK.exclaimer.net -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@denholm-energy.com;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0RzKJA56DwQ1yjAAm7yezhBqTjxlcHVg2qP46679ZEmr+fwW71AJt4YxUix9fbkva1f7pTsGZE/3xC…
selectors probed

Certificate (current)

R12
from 2026-05-13 to 2026-08-11
Expires in 83 days

HTTP security headers

Header hygiene 65/100 Checked live page: https://denholm-energy.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=10886400; includeSubDomains

Links to (2)

Linked from (2)