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Laptops & DesktopsServers

Find DNS TTL on Windows and MacOS

Sure, here’s how you can find the Time to Live (TTL) for a DNS record on Windows and MacOS. Please...
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Load BalancingServers

HTTP(s) Redirects and DNS Redirects?

HTTP and DNS are protocols serving different purposes, and redirection via these two methods is fundamentally different. DNS Redirection: DNS...
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CodeServers

DNS Root (Apex) ANAME Records NOT CNAME Records

ANAME (Alias Name) records are a type of DNS record that allows you to alias one hostname to another, similar...
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Laptops & DesktopsServers

DNS Root (Apex) Domain vs Subdomain

In the context of DNS and websites, “cisco.com” and “www.cisco.com” are both domain names, but they have slightly different uses....
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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...
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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...
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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”...
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Servers

Root (Apex) Domain to Subdomain Redirects

When managing DNS records and configuring redirects, it’s important to consider the best location for these operations based on your...
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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...
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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...
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  • 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

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

Tags

Active Directory (AD) API 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 F5-LTM 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 Structured Cabling TLS Troubleshooting Upgrade VMWare
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