seisecurity.com

.com crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1471 ms crawled 2026-06-01

US · 151.101.2.159 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home & Business Security System Company | SEi
Description
Protect your home or business with a monitored security system from SEi. Learn more about the Midwest's best security company!
Language
en-US
Generator
Arbor Creative v.3.0.0
Canonical
https://seisecurity.com/
Feeds

Open Graph

url
https://seisecurity.com/
title
Home & Business Security System Company | SEi
locale
en_US
site name
SEi Security
description
Protect your home or business with a monitored security system from SEi. Learn more about the Midwest's best security company!

Technology

CDN
Fastly
Server
Flywheel
CMS
WordPress
Analytics
  • Google Tag Manager
  • Microsoft Clarity

Third-party hosts loaded (4)

  • cdn.datatables.net×2
  • www.googletagmanager.com×2
  • connect.podium.com×1
  • www.clarity.ms×1

Social

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2012-07-18
Expires
2026-07-18 46 days left
Updated
2025-12-24
Name servers
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com

DNS records live

NS
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com
MX
  • 0 seisecurity-com.mail.protection.outlook.com
TXT
  • MS=3F1194668C8E5DFFFFED0D53265B6943117AAFF4
  • cg81d4ifa36ci3pdftmuhelkr6
Verified for
  • Apple
  • Google

Email authentication strong

SPF
v=spf1 mx a ip4:208.79.1.38 ip4:208.79.7.136 ip4:208.79.7.25 ip4:208.79.7.36 ip4:65.123.188.34 ip4:132.147.143.50 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@seisecurity.com; ruf=mailto:Forensics@seisecurity.com; sp=quarantine; fo=0:1:d:s
policy: quarantine · sp=quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl7Wr2BmcMAaPRohVGMj68GA51SeMj5mNlKUlHUYkQPCJMtmP+Id0I3phSw896exQYphirl8TmnixEj…
selectors probed

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 55 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://seisecurity.com/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
x-content-type-options
nosniff

Links to (13)

Linked from (1)