@rronyecz

Regő Botond Ronyecz

@rronyecz

Joined April 2026

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Regő Botond Ronyecz's blogs

ZeroHookzerohook.hashnode.dev16 posts

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Top 10 DNS Security Tools for Proactive Threat Hunting (2026)

1d ago · 9 min read · Most DNS security advice is reactive. Something breaks, you investigate. But the teams that catch problems early aren't waiting for alerts from their SIEM — they're actively mapping their own attack s

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Developer's Guide to MTA-STS and TLS Reporting (2026)

1d ago · 10 min read · Most developers have heard of SPF, DKIM, and DMARC. Far fewer have heard of MTA-STS, and almost nobody has set up TLS Reporting. Which is a shame, because MTA-STS closes a real gap that the other thre

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SPF, DKIM, DMARC: The Developer's Fixing Guide (2026)

1d ago · 6 min read · You deployed your app. Transactional emails are set up. Users sign up and trigger a welcome email, but it lands in spam or, worse, never arrives. This isn't a code issue. It's a DNS configuration prob

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Subdomain Takeover Explained (and How to Fix It)

1d ago · 4 min read · You shut down a product. You deleted the Heroku app, tore down the S3 bucket, and removed the Netlify site. But you probably forgot the DNS record pointing to it. That subdomain is now up for grabs. T

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Certificate Transparency Logs: How Attackers Map Your Infrastructure Before You Know They're Looking

1d ago · 7 min read · You deleted the staging server. You closed the Jira ticket. You told your team the migration is done. But somewhere out there, a publicly searchable database has been quietly logging every TLS certifi

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Regő Botond Ronyecz

About

Available for

Regő Botond Ronyecz's blogs

Recently published

Top 10 DNS Security Tools for Proactive Threat Hunting (2026)

Developer's Guide to MTA-STS and TLS Reporting (2026)

SPF, DKIM, DMARC: The Developer's Fixing Guide (2026)

Subdomain Takeover Explained (and How to Fix It)

Certificate Transparency Logs: How Attackers Map Your Infrastructure Before You Know They're Looking

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Regő Botond Ronyecz

About

Available for

Regő Botond Ronyecz's blogs

Recently published

Top 10 DNS Security Tools for Proactive Threat Hunting (2026)

Developer's Guide to MTA-STS and TLS Reporting (2026)

SPF, DKIM, DMARC: The Developer's Fixing Guide (2026)

Subdomain Takeover Explained (and How to Fix It)

Certificate Transparency Logs: How Attackers Map Your Infrastructure Before You Know They're Looking