DNS

DNS 0 NOERROR vs 3 NXDOMAIN

Both DNS 0 (NOERROR) and 3 (NXDOMAIN) belong to the DNS Response Codes (RCODEs) category. 0 indicates that no error condition. The query completed successfully and the response contains the requested data. Meanwhile, 3 means that non-Existent Domain. The queried domain name does not exist in the DNS namespace.

Beschreibung

No error condition. The query completed successfully and the response contains the requested data.

Wann Sie es sehen

This is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.

Wie man es behebt

No fix needed. RCODE 0 means the DNS lookup succeeded as expected.

Beschreibung

Non-Existent Domain. The queried domain name does not exist in the DNS namespace.

Wann Sie es sehen

The domain has no DNS records at all — either it was never registered, has expired, or you have a typo in the hostname.

Wie man es behebt

Double-check the domain spelling. If you own the domain, verify your registrar settings and ensure the nameservers are correctly delegated.

Wesentliche Unterschiede

1.

DNS 0: No error condition. The query completed successfully and the response contains the requested data.

2.

DNS 3: Non-Existent Domain. The queried domain name does not exist in the DNS namespace.

3.

You encounter 0 when this is the normal, successful response to any DNS query — the name was resolved and the answer section contains the requested records.

4.

You encounter 3 when the domain has no DNS records at all — either it was never registered, has expired, or you have a typo in the hostname.

Wann welchen verwenden

For 0 (NOERROR): No fix needed. RCODE 0 means the DNS lookup succeeded as expected. For 3 (NXDOMAIN): Double-check the domain spelling. If you own the domain, verify your registrar settings and ensure the nameservers are correctly delegated.

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