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# dns

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How to Read DNS Lookup Output (dig, nslookup, and What It All Means)

How to Read DNS Lookup Output (dig, nslookup, and What It All Means)

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9 min read
DNS Rebinding and NXDOMAIN Hijacking: Two Overlooked DNS Attacks

DNS Rebinding and NXDOMAIN Hijacking: Two Overlooked DNS Attacks

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7 min read
DNS Disaster Recovery: Building a Resilient DNS Strategy

DNS Disaster Recovery: Building a Resilient DNS Strategy

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7 min read
What Is a Zone File? Understanding DNS Zone Structure

What Is a Zone File? Understanding DNS Zone Structure

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9 min read
DNS for Agent Mailboxes: MX and TXT Records Explained

DNS for Agent Mailboxes: MX and TXT Records Explained

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5 min read
HA DNS for Homelab: Unbound + AdGuard Home + Keepalived on Raspberry Pi

HA DNS for Homelab: Unbound + AdGuard Home + Keepalived on Raspberry Pi

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5 min read
HTTP-01, DNS-01, and DNS Delegation: What's the Difference When Getting an SSL Certificate?

HTTP-01, DNS-01, and DNS Delegation: What's the Difference When Getting an SSL Certificate?

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5 min read
Open Source Project of the Day (#94): MasterDnsVPN —— A Sharpened Blade Against Censorship: The Highly Optimized DNS Tunneling VPN

Open Source Project of the Day (#94): MasterDnsVPN —— A Sharpened Blade Against Censorship: The Highly Optimized DNS Tunneling VPN

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3 min read
How to Migrate DNS to a New Provider Without Downtime

How to Migrate DNS to a New Provider Without Downtime

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9 min read
DNS Cache Poisoning Explained (and How DNSSEC Stops It)

DNS Cache Poisoning Explained (and How DNSSEC Stops It)

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7 min read
Actuando sobre la Seguridad Perimetral: Cómo Implementar un Cortafuegos Dinámico basado en el Comportamiento DNS

Actuando sobre la Seguridad Perimetral: Cómo Implementar un Cortafuegos Dinámico basado en el Comportamiento DNS

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4 min read
What Is an Authoritative vs Recursive DNS Server?

What Is an Authoritative vs Recursive DNS Server?

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7 min read
Self-Hosted vs. Managed DNS: Pros, Cons, and Security Implications

Self-Hosted vs. Managed DNS: Pros, Cons, and Security Implications

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9 min read
DNS TTL Best Practices: How to Choose the Right Values

DNS TTL Best Practices: How to Choose the Right Values

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10 min read
DNS for Microsoft 365: Every Record You Need and Why

DNS for Microsoft 365: Every Record You Need and Why

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9 min read
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