Unable to resolve domain using

Hi all,

I have been using as my DNS server for the past few months.
However, this week I was unable to resolve a domain I regularly visit using and the same domain resolves just fine using Google Public DNS (

This is the output when I perform an nslookup

C:\Users\carls>nslookup np.edu.sg
Server:  one.one.one.one

*** one.one.one.one can't find np.edu.sg: Server failed

C:\Users\carls>nslookup np.edu.sg
Server:  google-public-dns-a.google.com

Non-authoritative answer:
Name:    np.edu.sg
Addresses:  2600:1901:0:8a57::

I have checked and made sure that there is nothing blocking the resolution of the domain in my local network.

Thanks for your time.

Looks like eDNS issues:


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