WHOIS
Last updated
What is WHOIS?
WHOIS is a query and response protocol widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system number. These databases provide information like the registrant's contact details, creation and expiration dates, registrar information, and nameservers associated with the resource. While primarily used for technical and administrative purposes, WHOIS data can be valuable for identifying potential sources of abuse, tracking down malicious actors, or verifying the legitimacy of online resources.
Free resources to learn WHOIS
More in stage 5: Cloud Skills and Knowledge
- Cloud Skills and Knowledge
- ISO
- RMF
- NIST
- CIS
- CSF
- LOLBAS
- GTFOBINS
- WADCOMS
- dig
- nmap
- ping
- arp
- cat
- dd
- Salting
- Hashing
- Key Exchange
- Phishing
- Whishing
- Whaling
- tail
- hping
- head
- grep
- nslookup
- Private vs Public Keys
- Smishing
- Spam vs Spim
- tracert
- winhex
- autopsy
- ipconfig
- PKI
- Obfuscation
- Shoulder Surfing
- Tailgating
- curl
- wireshark
- memdump
- Dumpster Diving
- Diamond Model
- Kill Chain
- Zero day
- FTK Imager
- ATT&CK
- Social Engineering
- Reconnaissance
- Impersonation
- ParrotOS
- Kali Linux
- Watering Hole Attack
- Drive by Attack
- SIEM
- SOAR
- Typo Squatting
- Brute Force vs Password Spray
- Event Logs
- syslogs
- netflow
- FTP vs SFTP
- SSL vs TLS
- IPSEC
- Packet Captures
- Firewall Logs
- DNSSEC
- LDAPS
- SRTP
- S/MIME
- DoS vs DDoS
- MITM
- CSRF
- Spoofing
- SQL Injection
- XSS
- MAC-based
- NAC-based
- Antivirus
- Antimalware
- EDR
- DLP
- Evil Twin
- VLAN Hopping
- Port Blocking
- Group Policy
- Firewall & Nextgen Firewall
- HIPS
- NIDS
- DNS Poisoning
- Sinkholes
- ACLs
- Patching
- NIPS
- Host Based Firewall
- Sandboxing
- Deauth Attack
- Jump Server
- Endpoint Security
- EAP vs PEAP
- WPS
- ACL
- Replay Attack
- WPA vs WPA2 vs WPA3 vs WEP
- Rogue Access Point
- VirusTotal
- urlscan
- any.run
- Preparation
- Identification
- Containment
- Buffer Overflow
- Joe Sandbox
- urlvoid
- Eradication
- Recovery
- Lessons Learned
- Memory Leak
- Stakeholders
- HR
- Legal
- Pass the Hash
- Compliance
- Management
- Zero Day
- Known vs Unknown
- APT
- Directory Traversal
WHOIS: common questions
Can I learn WHOIS in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain WHOIS in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this WHOIS tutorial for beginners?
It is lesson 260 of 301 in the free Cyber Security roadmap, in stage 5, Cloud Skills and Knowledge. If you are new to Cyber Security, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.