Cybersecurity Rating
by ImmuniWeb® CyberScore™

Hostname	URL	Grade	Tested on
tui.co.uk	https://tui.co.uk	N	November 5th, 2026 17:30
www.tui.co.uk	https://www.tui.co.uk	N	November 5th, 2026 17:31
smetrics.flightextras.tui.co.uk	https://smetrics.flightextras.tui.co.uk/	A	November 5th, 2026 17:41
www.marellaexcursionspassenger.tui.co.uk	https://www.marellaexcursionspassenger.tui.co.uk/login	C	November 5th, 2026 17:42
smetrics.tui.co.uk	https://smetrics.tui.co.uk/	A	November 5th, 2026 17:43

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Website Privacy Rating | Overview

The total number of subdomains is capped at 50.

Hostname	URL	Grade	Tested on
tui.co.uk	https://tui.co.uk	N	November 5th, 2026 17:54
www.tui.co.uk	https://www.tui.co.uk	N	November 5th, 2026 17:54
smetrics.flightextras.tui.co.uk	https://smetrics.flightextras.tui.co.uk/	A+	November 5th, 2026 17:54
www.marellaexcursionspassenger.tui.co.uk	https://www.marellaexcursionspassenger.tui.co.uk/login	B+	November 5th, 2026 17:54
smetrics.tui.co.uk	https://smetrics.tui.co.uk/	A+	November 5th, 2026 17:55

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The total number of subdomains is capped at 50.

Hostname	URL	Protocol	Grade	Tested on
tui.co.uk	https://tui.co.uk 23.222.17.68:443	HTTPS	A+	November 5th, 2026 17:31
www.tui.co.uk	https://www.tui.co.uk 23.48.224.73:443	HTTPS	A	November 5th, 2026 17:32
smetrics.flightextras.tui.co.uk	https://smetrics.flightextras.tui.co.uk 63.140.39.210:443	HTTPS	A	November 5th, 2026 17:41
www.marellaexcursionspassenger.tui.co.uk	https://www.marellaexcursionspassenger.tui.co.uk 3.64.89.235:443	HTTPS	A+	November 5th, 2026 17:41
smetrics.tui.co.uk	https://smetrics.tui.co.uk 63.140.39.25:443	HTTPS	A	November 5th, 2026 17:41

Show 46 More

Hostname	Grade	Tested on
tui.co.uk	A	November 5th, 2026 17:34

Email Server Security Report
A total of 4 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 0.068s.
Email SSL/TLS Encryption Report
SSL/TLS security testing was completed for 4 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 51 websites.

Hostname	Tested on
tui.co.uk	November 5th, 2026 17:30

Dark Web Exposure Report
A total of 325 dark web incidents detected, containing 1569 mentions of the domain. 293 out of 325 incidents originate from Compromised Databases. Out of all detected Compromised Credentials, 52 are considered to be of High risk. Mentions in Leaked Databases represent the most common source of compromised information, accounting for 1492 of the 1569 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
No potential cybersquatting domains found.
Typosquatting Domains Report
No potential typosquatting domains found.
Fake Accounts in Social Media Report
No squatted social network accounts found.

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