DNS

DNS 3 NXDOMAIN vs 7 YXRRSET

Both DNS 3 (NXDOMAIN) and 7 (YXRRSET) belong to the DNS Response Codes (RCODEs) category. 3 indicates that non-Existent Domain. The queried domain name does not exist in the DNS namespace. Meanwhile, 7 means that rR Set Exists when it should not. A resource record set exists that the update prerequisite says should not.

Deskripsi

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

Ketika Anda Melihatnya

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

Cara Memperbaiki

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

Deskripsi

RR Set Exists when it should not. A resource record set exists that the update prerequisite says should not.

Ketika Anda Melihatnya

A DNS UPDATE failed because a specific RRset (e.g., an A record) already exists when the prerequisite required it to be absent.

Cara Memperbaiki

Delete the conflicting RRset before retrying the update, or adjust your prerequisite conditions to match the actual zone state.

Perbedaan Utama

1.

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

2.

DNS 7: RR Set Exists when it should not. A resource record set exists that the update prerequisite says should not.

3.

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.

4.

You encounter 7 when a DNS UPDATE failed because a specific RRset (e.g., an A record) already exists when the prerequisite required it to be absent.

Kapan Menggunakan Yang Mana

For 3 (NXDOMAIN): Double-check the domain spelling. If you own the domain, verify your registrar settings and ensure the nameservers are correctly delegated. For 7 (YXRRSET): Delete the conflicting RRset before retrying the update, or adjust your prerequisite conditions to match the actual zone state.

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