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GENERAL / INFRASTRUCTURE / NETWORK

11

Do you use NVMe SSD or HDD?
Can you provide IPs for ping/traceroute tests?
SMTP Port 25 outbound open?
What ports are open on VPS?
Do you provide redundant power or UPS details?
Is your network powered by Tier III or Tier IV infrastructure?
What network carriers do you use?
Do you offer Anycast DNS?
Q : What is the latency from my location to your servers?
Do you have multiple data centers?
Where are your servers hosted?

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VPS / DEDICATED / VIRTUALIZATION

45

Can I use virtualization inside the VPS (nested virtualization)?
Do you support BGP / Bring Your Own ASN?
Do you provide custom ISO mounting for VPS?
Can I run Kubernetes on your VPS?
Does the VPS auto-reboot after updates?
Do you support Windows VPS?
Can you move my VPS to another node?
Why is my VPS CPU usage capped?
Why does my VPS show high I/O wait time?
Do you provide root access by default?
What type of virtualization do you use (KVM, LXC, etc.)?
Do you allow BGP sessions or announce my own ASN?
Can I get additional IPv4 addresses?
What RAID options do you provide for dedicated servers?
Can I reinstall OS anytime from the panel?
Do you provide IPMI/KVM access for dedicated servers?
Can I use virtualization inside the VPS (nested virtualization)?
Do you support BGP / Bring Your Own ASN?
Do you provide custom ISO mounting for VPS?
Can I run Kubernetes on your VPS?
Does the VPS auto-reboot after updates?
Do you support Windows VPS?
Can you move my VPS to another node?
Why is my VPS CPU usage capped?
Why does my VPS show high I/O wait time?
Do you provide root access by default?
What type of virtualization do you use (KVM, LXC, etc.)?
Do you allow BGP sessions or announce my own ASN?
Can I get additional IPv4 addresses?
What RAID options do you provide for dedicated servers?
Can I reinstall OS anytime from the panel?
Do you provide IPMI/KVM access for dedicated servers?
Can I use virtualization inside the VPS (nested virtualization)?
What is the actual usable RAM after OS installation?
Are CPU cores dedicated or shared?
Do you throttle CPU usage on VPS?
How do I request a reverse DNS update?
Do you support reverse DNS (PTR records) for IPs?
Do you offer IPv6?
Can I upgrade CPU/RAM/Storage without data loss?
Do you support Docker on your VPS?
Are all outbound ports open?
Is port 80/443 open by default?
Can I install my own custom ISO?
What OS templates do you offer for VPS?

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GPU SERVERS / AI WORKLOADS

11

Do you allow crypto mining on VPS / Dedicated / GPU servers?
Do you offer persistent storage for GPU servers?
Can I run multiple GPU containers simultaneously?
Do you offer NVLink support?
Do you limit GPU workloads or usage?
Can I run Stable Diffusion or train large LLMs?
How much VRAM is available?
Do you support GPU passthrough?
Can I run PyTorch / TensorFlow out-of-the-box?
Do the GPUs support CUDA 12+?
What GPU models do you offer?

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NETWORKING / FIREWALL / IP / DNS

12

Do you support reverse DNS (PTR records) for IPs?
Can you provide IPs for ping/traceroute tests?
How do I set MX, SPF, DKIM, DMARC?
Are SMTP/IMAP/POP ports open?
Can I request an IP change?
Why is my IP blacklisted?
How do I set up PTR records?
Does your network support IPv6-only hosting?
What is your default SSH port?
Why can’t I SSH into my server?
How do I open ports on my VPS?
Is there a firewall enabled by default?

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WEB HOSTING / APPLICATION DEPLOYMENT

11

Why does my WordPress site show database connection errors?
How do I increase upload file limits (PHP)?
Do you offer free SSL via Let’s Encrypt?
How do I enable HTTPS?
Is LiteSpeed or Apache installed?
Can I run multiple sites under one VPS?
My site is loading slowly. What should I check?
Where do I upload my website files?
Do you support PHP 8.2 or 8.3?
How do I install Python 3.12 or higher?
How do I host a Node.js application?

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EMAIL / DELIVERABILITY

5

SMTP Port 25 outbound open?
What is the daily email sending limit?
Why are my emails going to spam?
How do I set MX, SPF, DKIM, DMARC?
Are SMTP/IMAP/POP ports open?

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CONTROL PANEL (cPanel) / DATABASE

8

How do I generate a CSR for SSL?
How do I restore my email backups?
How do I change PHP version?
How do I check CPU/RAM usage?
Why can’t I install WordPress from Softaculous?
How do I access phpMyAdmin?
How do I create a database?
How do I log in to cPanel?

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SECURITY / DDoS / HARDENING / ABUSE

12

Do you allow penetration testing tools?
Can I host adult content?
What is your DMCA policy?
Can I host copyrighted content?
Why did you suspend my VPS?
Does your VPS include fail2ban or CSF?
How do I secure my VPS after installation?
Do you block malware-hosting domains?
Is my server protected from brute force attacks?
Do you provide firewall rules for VPS?
What is the maximum attack size you can mitigate?
Do you offer DDoS protection?

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UPTIME / PERFORMANCE / STATUS

7

Do you use NVMe SSD or HDD?
How much disk I/O performance do I get?
Do you overload your nodes?
Is there any maintenance happening right now?
Why is my server slow intermittently?
How do I monitor server uptime?
What is your uptime SLA?

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BACKUPS / SNAPSHOTS

6

Are snapshots stored on the same node?
Can I take snapshots manually?
How do I restore a backup?
Where are backups stored?
How often are backups taken?
Do you take automatic backups?

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MIGRATION

5

Can I migrate my VPS to another provider?
Can you migrate from cPanel to DirectAdmin?
Will migration cause downtime?
What information do you need for migration?
Can you migrate my website from another host?

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BILLING / PLANS / ACCOUNT

8

What is the difference between fair-share CPU vs dedicated CPU?
How do I cancel my service?
Can I pause or suspend my hosting plan?
Why is my invoice showing overdue?
Do you charge for additional IPs?
Can I change my billing cycle?
Is there any setup charge?
Can I downgrade or upgrade my plan anytime?

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SPECIAL USE CASES / AUP

4

Do you allow penetration testing tools?
Do you allow crypto mining on VPS / Dedicated / GPU servers?
Do you allow proxy servers (Squid, 3proxy, etc.)?
Do you allow VPN / Tunneling usage?

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OS ACCESS / REMOTE ACCESS

4

Do you provide SSH console in case of SSH failure?
My IP is blocked in my workplace can you help?
How do I connect via RDP?
Do you support Windows VPS?

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ADVANCED NETWORKING

3

Do you support BGP / Bring Your Own ASN?
Do you allow BGP sessions or announce my own ASN?
Can I get additional IPv4 addresses?

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MISC / REPEATED BUT IMPORTANT

3

Do you support reverse DNS (PTR records) for IPs?
Can I use virtualization inside the VPS (nested virtualization)?
Can I use virtualization inside the VPS (nested virtualization)?

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SECURITY / DDoS / HARDENING / ABUSE
Do you provide firewall rules for VPS?

Do you provide firewall rules for VPS?

< 1 min read

You can configure your own firewall using UFW, iptables, or CSF.

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Updated on December 9, 2025

Is my server protected from brute force attacks?What is the maximum attack size you can mitigate?

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