[ KNOWLEDGE_BASE :: NET & AD ]

IT Knowledge, Straight From the Trenches_

Real-world guides on Active Directory, DNS, Firewalls, Kerberos, and more, written by engineers who live it daily.

Active DirectoryDNSFirewallGPOKerberosNetworkingPKI
itriedareboot -- bash
> Initializing network stack[OK]
> DNS resolver check[ACTIVE]
> Active Directory schema[LOADED]
> Kerberos KDC reachable[OK]
> Locale packs [en_US, es_ES][LOADED]
> Firewall ruleset v4.2.1[ARMED]
█
STATUS:OPERATIONAL//ARTICLES:1//VIDEOS:0//TOPICS:7//LOCALES:EN+ES//LAST_PUBLISH:09/07/2026//
[ 01 :: LATEST_ARTICLES ]

Latest Articles

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$ nslookup itriedareboot.com
Server: 192.168.1.1
Non-authoritative answer:
Name: itriedareboot.com
Address: 172.67.152.192
★ FeaturedDNS

DNS Basic Troubleshooting

A field-tested, step-by-step method for diagnosing DNS failures - response codes, dig one-liners, and three real incidents that weren't what they first looked like.

R
ROY·9 July 2026
READ
[ 02 :: VIDEO_FEED ]

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[ 03 :: OPERATORS ]

Meet the Authors

// OPERATOR_01ONLINE
R

Roy Hagland

Networking

Roy is a networking specialist with expertise in DNS, firewalls, routing and network security.

// OPERATOR_02ONLINE
A

Adrián Míguez García

Active Directory

Adrián is an Active Directory specialist covering AD DS, GPO, Kerberos authentication, PKI and identity management.