Kerry CorderoKISS IT Design Principle - Human Error Prevention
  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact
  • See all results
Home
DNS
A to Z
  • Latest
  • Oldest
  • Random
  • A to Z

DNS

Load BalancingServers

Data Flow – F5 HTTP/S Root (Apex) Redirect to Subdomain and How DNS Works

SCENARIO F5 Redirect Setup for Root (Apex) to WWW (cordero.me > www.cordero.me) Root (Apex) “cordero.me” IP = 10.1.1.1 WWW “www.cordero.me”...
Read More
Servers

Data Flow – Postmark DNS

Postmark is an email delivery service that ensures emails are delivered quickly and reliably to their intended recipients. Postmark makes...
Read More
Laptops & DesktopsServers

Data Flow – Windows AD DNS with Conditional Forwarders

Here’s a simplified breakdown of the data flow that occurs when a client computer in an Active Directory (AD) environment...
Read More
Servers

DNS – Domain Ownership in Microsoft Active Directory (Don’t use .local or UnOwned Domains)

Using a domain name within Microsoft Active Directory (AD) is pivotal, not just for routing and architectural considerations. Still, it...
Read More
CloudSecurityServers

DNS for App Dev Prod and Non-Prod

When it comes to building out DNS Fully Qualified Domain Names (FQDNs) for application development, it’s important to consider the...
Read More
Routing & SwitchingServers

Data Flow – MX Records

When setting up domains and email services, it’s essential to grasp how different DNS records interact. The MX (Mail Exchange)...
Read More
Laptops & DesktopsServers

Data Flow – DNS Resolution with AD and F5 BIG-IP DNS

1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
Read More
Servers

Designing Windows AD DNS for Multi-Site Environments

Designing Windows Active Directory DNS (AD DNS) for a multi-site company is a process that should balance a few crucial...
Read More
Data CenterLaptops & DesktopsSecurityServers

DNS Authoritative vs Non-Authoritative (Recursive) and DNS Flows

DNS name servers are usually split into two categories:...
Read More
Laptops & DesktopsServers

DNS Forwarders vs Conditional Forwarders

First, let’s talk about the difference between a zone and a domain. There are several distinct zones in the DNS,...
Read More
Load More

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
© 2025 cordero.me • All Rights Reserved
  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • IP Calculator
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
Start typing to see results or hit ESC to close
Troubleshooting Palo Alto Microsoft Windows F5 Cisco
See all results