All Records
Query a combined view of common DNS records.
FPT Telecom International
Tăng Khương Duy
A small personal space, starting from the simplest things.
67 small tools are available, collected for quick use when needed.
Hello.
I am Tang Khuong Duy, currently working at FPT Telecom International.
I like starting from simple things, making them clearer, easier to use, and more useful in everyday work.
Featured tools.
A few selected tools you can open quickly when you need to look something up, check details, or handle data.
MX Lookup
Query mail servers and resolve IPs for each MX target.
IP Lookup
Look up ASN, ISP, organization, geolocation, and PTR for IPs.
Password Generator
Generate strong passwords in the browser with Web Crypto.
QR Code Generator
Generate a QR code from a URL or text.
JSON Editor
Format, minify, and validate JSON.
Work.
A few short notes about where I work and how I want to shape this personal space.
Current
FPT Telecom International
I am currently working at FPT Telecom International, in an environment that brings me closer to connectivity, Internet infrastructure, and real operational problems.
Personal website
duytk.net
I see duytk.net as a small corner to document my working journey, try ideas, and collect simple tools I find useful.