Cybersecurity Rating
by ImmuniWeb® CyberScore™

Hostname	URL	Grade	Tested on
kddi.com	https://www.kddi.com/	C+	October 3rd, 2026 09:33
www.kddi.com	https://www.kddi.com/	C+	October 3rd, 2026 09:34
web.blink.kddi.com	https://web.blink.kddi.com/	C+	October 3rd, 2026 09:40
arch.kddi.com	https://arch.kddi.com/	C+	October 3rd, 2026 09:40
k-ess.kddi.com	https://k-ess.kddi.com/	C	October 3rd, 2026 09:42

Show 46 More

Website Privacy Rating | Overview

The total number of subdomains is capped at 50.

Hostname	URL	Grade	Tested on
kddi.com	https://www.kddi.com/	A	October 3rd, 2026 09:22
www.kddi.com	https://www.kddi.com/	A	October 3rd, 2026 09:22
web.blink.kddi.com	https://web.blink.kddi.com/	A+	October 3rd, 2026 09:29
arch.kddi.com	https://arch.kddi.com/	B-	October 3rd, 2026 09:29
k-ess.kddi.com	https://k-ess.kddi.com/#/auth/login	A	October 3rd, 2026 09:29

Show 46 More

The total number of subdomains is capped at 50.

Hostname	URL	Protocol	Grade	Tested on
kddi.com	https://kddi.com 175.129.0.103:443	HTTPS	B-	October 3rd, 2026 09:24
www.kddi.com	https://www.kddi.com 106.162.242.11:443	HTTPS	B-	October 3rd, 2026 09:23
web.blink.kddi.com	https://web.blink.kddi.com 13.225.196.72:443	HTTPS	A+	October 3rd, 2026 09:30
arch.kddi.com	https://arch.kddi.com 18.239.6.118:443	HTTPS	A+	October 3rd, 2026 09:30
k-ess.kddi.com	https://k-ess.kddi.com 35.76.192.93:443	HTTPS	B	October 3rd, 2026 09:31

Show 46 More

Hostname	Grade	Tested on
kddi.com	A-	October 3rd, 2026 09:22

Email Server Security Report
A total of 3 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 0.16s.
Email SSL/TLS Encryption Report
SSL/TLS security testing was completed for 3 email servers. Server grade is B.
Email Server DNS Security Report
SPF is set properly, 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 47 websites.

Hostname	Tested on
kddi.com	October 3rd, 2026 09:23

Dark Web Exposure Report
A total of 320 dark web incidents detected, containing 3235 mentions of the domain. 284 out of 320 incidents originate from Compromised Databases. Out of all detected Compromised Credentials, 280 are considered to be of High risk. Mentions in Leaked Databases represent the most common source of compromised information, accounting for 3145 of the 3235 detected domain mentions on the Dark Web.
Unprotected Cloud Storage Report
No cloud storage buckets found.
Phishing Websites Report
No potential phishing websites found.
Cybersquatting Domains Report
34 potential cybersquatting domains detected. Example domains: kddi.co, kddis.com and kddi.ai; additional cybersquatting domains are available in the detailed report.
Typosquatting Domains Report
No potential typosquatting domains found.
Fake Accounts in Social Media Report
No squatted social network accounts found.

Share this report:

Take Your Security Ratings to the Next Level