PTR Record
PTR links an IP address to a host name in the DNS Inverse.
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IT Dictionary
Clear, technical definitions to understand IT terminology.
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62 topics
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3CX
3
Active Directory
26
Applications & API
3
Cloud
22
Cloud & DevOps
21
Cloud & Linux
23
Cybersecurity
93
DNS
3
FortiGate
40
AI & Data
19
Identity & Directory
15
Identity & API
2
Identity & SaaS
1
IT & Operations
7
Linux
70
Hardware
21
Email
17
Microsoft 365
84
PKI & Certificates
7
Networking
101
Networking / VPN
1
Networking & Datacenter
1
Networking & DNS
11
Networking & Ethernet
1
Networking & IPv6
4
Networking & Multicast
1
Networking & Routing
4
Networking & Security
4
Networking & Monitoring
1
Networking & Switching
4
Networking & VLAN
2
Networking & Wi-Fi
8
Backup
53
Backup & Security
10
Security
16
Servers
39
SSL / PKI
5
Storage
37
Storage & Authentication
1
Storage & Linux
1
Storage & Virtualization
2
Monitoring
2
Monitoring & ITSM
21
Telephony
10
Telephony & VoIP
18
Virtualization
59
Virtualization & Storage
10
VMware
2
VPN & IPsec
2
Web
6
Web & Development
8
Web & Data
31
Web & Networking
3
Web & Security
2
Web & WordPress
16
Windows
46
Windows & Identity
1
Windows & Hardware
1
Windows & Security
2
Windows & Storage
2
Windows Server
5
WordPress
14