What powers century21core.com?
Last seen Sep 2023 · 19 technologies across 12 categories
Advertising
Microsoft Advertising
since Mar 2022
Analytics
Authentication
Google Sign-in
since Feb 2022
Hosting
GoDaddy
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Security
ClickCease
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.04 / 10 · ranked #11,954,113 of all domains
8 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (3.33.251.168)
- DNS: GoDaddy DNS
- Email: Proofpoint Essentials
- Email security: no SPF record, no DMARC record
- SSL: GoDaddy, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 16,863,418, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.century21core.com | 19 |
| john.century21core.com | 18 |