Korea Telecom Usage Statistics · Download List of All Websites using Korea Telecom
Publicly traded telecom company infrastructure.
South Korean hosting
SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
DMARC Usage Statistics · Download List of All Websites using DMARC
A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse
DMARC
DMARC Reject Usage Statistics · Download List of All Websites using DMARC Reject
The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.
Last technology detected on 1st August 2025. We know of 4 technologies on this page and 55 technologies removed from jseng.com since 26th November 2014. Link to this page.
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