validates the quality of a DNS delegation.
| nameserver02.md (zonemaster-2022.2) | : | nameserver02.md (zonemaster-2022.2.1) |
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| | |
| skipping to change at line 31 | | skipping to change at line 31 |
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| > FORMERR to messages containing an OPT record in the additional | | > FORMERR to messages containing an OPT record in the additional |
| > section and MUST NOT include an OPT record in the response. | | > section and MUST NOT include an OPT record in the response. |
| | |
| Servers supporting EDNS(0) must reply with EDNS(0) | | Servers supporting EDNS(0) must reply with EDNS(0) |
| ([RFC 6891, section 6.1.1]): | | ([RFC 6891, section 6.1.1]): |
| | |
| > If an OPT record is present in a received request, compliant | | > If an OPT record is present in a received request, compliant |
| > responders MUST include an OPT record in their respective responses. | | > responders MUST include an OPT record in their respective responses. |
| | |
| To eliminating the risk of falsely classifying the server as not supporting | | To eliminating the risk of falsely classifying the server as not supporting |
|
| ENDS due e.g. firewall issues, the UDP buffer size is set to 512 bytes | | EDNS due e.g. firewall issues, the UDP buffer size is set to 512 bytes |
| (octets). | | (octets). |
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| ## Scope | | ## Scope |
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| It is assumed that *Child Zone* is also tested by [Connectivity01]. This test | | It is assumed that *Child Zone* is also tested by [Connectivity01]. This test |
| case will set DEBUG level on messages for non-responsive name servers. | | case will set DEBUG level on messages for non-responsive name servers. |
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| ## Inputs | | ## Inputs |
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| * "Child Zone" - The domain name to be tested. | | * "Child Zone" - The domain name to be tested. |
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| End of changes. 1 change blocks. |
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| 1 lines changed or deleted | | 1 lines changed or added |
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