indexo.dev

antonoff.com

.com crawl

First seen 2026-04-24 · Last seen 2026-05-15 · ok HTTP/1.1 200 18538 ms crawled 2026-05-18

US · 52.160.111.97 · AS8075 Microsoft Corporation

Reputation 95/100 weak security headers

sector real estate type homepage

HTML metadata

Title
Denver Commercial Real Estate | Antonoff & CO. Brokerage
Description
Colorado's leading Commercial Real Estate Brokerage Company. Specializing in neighborhood and retail shopping centers.
Canonical
https://antonoff.com/

Open Graph

url
https://antonoff.com/
title
Denver Commercial Real Estate | Antonoff & CO. Brokerage
description
Colorado's leading Commercial Real Estate Brokerage Company. Specializing in neighborhood and retail shopping centers.

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (6)

  • cdn.jsdelivr.net×3
  • fonts.googleapis.com×2
  • code.jquery.com×1
  • fonts.gstatic.com×1
  • use.fontawesome.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
Network Solutions, LLC
Created
1997-09-12
Expires
2026-09-11 114 days left
Updated
2025-07-13
Name servers
  • ns95.worldnic.com
  • ns96.worldnic.com

DNS records live

NS
  • ns95.worldnic.com
  • ns96.worldnic.com
MX
  • 10 antonoff-com.mail.protection.outlook.com
TXT
  • ci983g3008stceeel4481d4p80

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:it-reports@antonoff.com; ruf=mailto:it-reports@antonoff.com; fo=1;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy0tuOWqub3ddHRyAdk6zt6jJpSztJmacBNFrlDhwUlcOEuq9JQ7nguZ6+gWIcnqXcoKKf/HCzldv7d…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2026-03-09 to 2026-09-23
Expires in 127 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (1)