Cybersecurity Rating
by ImmuniWeb® CyberScore™

Hostname	URL	Grade	Tested on
lumen.com	https://www.lumen.com/en-us/home.html	C	October 2nd, 2026 12:12
www.lumen.com	https://www.lumen.com/en-us/home.html	C	October 2nd, 2026 12:12
ametrics.lumen.com	https://ametrics.lumen.com/	A	October 2nd, 2026 12:15
lib.lumen.com	https://lib.lumen.com/	B-	October 2nd, 2026 12:15
docs.lumen.com	https://docs.lumen.com/	A	October 2nd, 2026 12:16

Show 46 More

Website Privacy Rating | Overview

The total number of subdomains is capped at 50.

Hostname	URL	Grade	Tested on
lumen.com	https://www.lumen.com/en-us/home.html	B+	October 2nd, 2026 12:08
www.lumen.com	https://www.lumen.com/en-us/home.html	B+	October 2nd, 2026 12:08
ametrics.lumen.com	https://ametrics.lumen.com/	A+	October 2nd, 2026 12:14
lib.lumen.com	https://lib.lumen.com/	A+	October 2nd, 2026 12:14
docs.lumen.com	https://docs.lumen.com/	A-	October 2nd, 2026 12:14

Show 46 More

The total number of subdomains is capped at 50.

Hostname	URL	Protocol	Grade	Tested on
lumen.com	https://lumen.com 151.101.131.10:443	HTTPS	A+	October 2nd, 2026 12:09
www.lumen.com	https://www.lumen.com 151.101.139.10:443	HTTPS	A+	October 2nd, 2026 12:09
ametrics.lumen.com	https://ametrics.lumen.com 63.140.38.61:443	HTTPS	A	October 2nd, 2026 12:15
lib.lumen.com	https://lib.lumen.com 13.225.196.126:443	HTTPS	A	October 2nd, 2026 12:17
docs.lumen.com	https://docs.lumen.com 151.101.139.10:443	HTTPS	A+	October 2nd, 2026 12:15

Show 46 More

Hostname	Grade	Tested on
lumen.com	B+	October 2nd, 2026 12:25

Email Server Security Report
A total of 2 email servers were analyzed. Open relay was not detected, SMTP enumeration was not detected, a secure authentication was enforced across all tested servers, and PTR records were properly configured. The average response latency was approximately 0.03s.
Email SSL/TLS Encryption Report
SSL/TLS security testing was completed for 2 email servers. Server grade is C+.
Email Server DNS Security Report
SPF is set with issues, DKIM is set properly, and DMARC is set properly. MTA-STS is not configured for this domain. A and MX DNS records are unsigned.
Email Server Black and Spam Lists Report
No email servers were found on blacklists.

No vibe-coded or AI-created code patterns detected across 51 websites.
No leaks of AI tokens or other AI-related and sensitive data detected on the Dark Web.
No leaks of AI tokens or other AI-related and sensitive data detected across 49 websites.

Hostname	Tested on
lumen.com	October 2nd, 2026 12:08

Dark Web Exposure Report
A total of 383 dark web incidents detected, containing 3034 mentions of the domain. 329 out of 383 incidents originate from Compromised Databases. Out of all detected Compromised Credentials, 154 are considered to be of High risk. Mentions in Leaked Databases represent the most common source of compromised information, accounting for 2842 of the 3034 detected domain mentions on the Dark Web.
Unprotected Cloud Storage Report
No cloud storage buckets found.
Phishing Websites Report
4 potential phishing URLs detected. Example hostnames: lumen-field.pages.dev and lumen-loop.pages.dev; the full list is available in the detailed report.
Cybersquatting Domains Report
438 potential cybersquatting domains detected. Example domains: lumen-gt.com, lumen-sy.com and lumen-express.com; additional cybersquatting domains are available in the detailed report.
Typosquatting Domains Report
8 potential typosquatting domains detected. Example domains: lumnen.com, lumren.com and lumden.com; additional typosquatting domains are available in the detailed report.
Fake Accounts in Social Media Report
No squatted social network accounts found.

Share this report:

Take Your Security Ratings to the Next Level