DNS Records and Why a Name Does Not Resolve

What a DNS server holds, reading a record with dig, and the three places a name can go wrong

What a DNS server holds, reading a record with dig, and the three places a name can go wrong. A free lesson from the Linux Admin path (Intermediate) at…

What it covers

• The New Server Has No Name
• Zones, Serials and TTLs
• Worked Example: Forgotten Serial
• Notes, and a DNS Debugging Card

Sign in to open it.