indexo.dev

sefirst.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-14 · ok HTTP/1.1 200 2611 ms crawled 2026-05-07

US · 141.193.213.10 · AS209242 Cloudflare London, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Energy Consultants | Leading Sustainability Consultancy | UK
Description
UK Energy Consultants, Sustainable Energy First. Built on 25 years of BiU heritage, we are driven to empower our people to make a positive difference for themselves, our clients and the planet.
Language
en-GB
Generator
Elementor 4.0.4; features: additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-auto
Canonical
https://www.sefirst.com/
Feeds

Open Graph

url
https://www.sefirst.com/
title
Energy Consultants | Leading Sustainability Consultancy | UK
locale
en_GB
site name
Sustainable Energy First
description
UK Energy Consultants, Sustainable Energy First. Built on 25 years of BiU heritage, we are driven to empower our people to make a positive difference for themselves, our clients and the planet.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Cookie consent
  • OneTrust
Fonts
  • Adobe Fonts

Third-party hosts loaded (5)

  • use.typekit.net×3
  • www.googletagmanager.com×3
  • cdn-ukwest.onetrust.com×2
  • enterpriseinsightinspiration.com×2
  • gmpg.org×1

Social

DNS records live

NS
  • ns0.phase8.net
  • ns1.phase8.net
  • ns2.phase8.net
MX
  • 10 eu-smtp-inbound-1.mimecast.com
  • 20 eu-smtp-inbound-2.mimecast.com
TXT
Show 8 TXT records
  • intacct-esk=364739F5B3352B78E0635A06450AC796
  • jvketr00spsj2s9f4b2ppmbi1o
  • atlassian-sending-domain-verification=9f9443c9-be22-4515-978b-942f36708a03
  • iajk7rl2786nfrnqlhe244u2dh
  • knowbe4-site-verification=6878afa686d156e0af0365291c366dee
  • vnubmotjbvop45shkkih2i86bp
  • solarwinds-service0desk-verification=4ae16a7ffeade29318fa4e39a0abcd5c
  • pardot972233=04383ad53930e8527e017d5bb671dbead161c0f80edf8b67b95cdecc4fb494d5
Verified for
  • Apple
  • DocuSign
  • Google

Email authentication strong

SPF
v=spf1 ip4:164.39.130.221 ip4:51.52.173.42 ip4:149.106.189.154 ip4:195.245.230.4 ip4:85.158.142.6 include:aspmx.pardot.com include:_spf.salesforce.com include:_spf.atlassian.net include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:spf2.accessacloud.com include:_spf.samanage.com include:_spf.intacct.com -all
strict (-all)
DMARC
v=dmarc1; p=none; rua=mailto:46736c1726ce788@rep.dmarcanalyzer.com; ruf=mailto:46736c1726ce788@for.dmarcanalyzer.com; fo=1;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzzUaux/bZGfVXZVUlNw0SnkjOH5DMeJWR5VF9D2F7Vj2sHfFs6pMBDyubLw4aIbk72JT+52dvfUbYHN893…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5yhMc2CZ/USyn7zjvTU02iXih9Ns8YNjiQuKxAqSBZA2D/a0sV1N6rftfnIuJkvszhqo/aUaEwBISFOFD5…
selectors probed

Certificate (current)

E7
from 2026-04-27 to 2026-07-26
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sefirst.com/

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

Links to (4)

Linked from (4)