onecolumbiasc.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 5829 ms crawled 2026-05-15

US · 54.175.46.88 · AS14618 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
One Columbia
Language
en

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager

Third-party hosts loaded (6)

  • cdn.jsdelivr.net×2
  • cdnjs.cloudflare.com×2
  • ajax.googleapis.com×1
  • s3.amazonaws.com×1
  • translate.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
Squarespace Domains II LLC
Created
2011-03-09
Expires
2027-03-08 293 days left
Updated
2026-02-22
Name servers
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com

DNS records live

NS
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com
TXT
  • apple-domain-verification=gRnsjisHgZjXs45p

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
selectors probed

Certificate (current)

R12
from 2026-03-11 to 2026-06-09
Expires in 21 days

HTTP security headers

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

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

Links to (15)

Linked from (3)