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DNS
Glue records

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Authentication
DNS
Reputation
Warmup
Deliverability
Inbox Placement

Glue records

Address records supplied with delegation to avoid circular dependencies.

Reading time:: 5 min
Difficulty:: Advanced
Estimated duration:: 5 min
Prerequisites:: NS records
Last updated:: 2026-07-15
Author:: empire

Definition

Glue records provide A/AAAA data for name servers inside the delegated zone.

Prerequisites

NS recordsName server records that delegate authority for a zone.

NS recordsName server records that delegate authority for a zone.
DNSDomain Name System — the lookup fabric email authentication depends on.

PreviousRecursive resolver NextPTR records

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