lookup> CSYNC

CSYNC ·Record

Child-To-Parent Synchronization

value 62activeRFC 7477

Quick facts

TypeCSYNC

Value62

Statusactive

MeaningChild-To-Parent Synchronization

SpecificationRFC 7477

Purpose

What does a CSYNC record do?

Child-To-Parent Synchronization

CSYNC is one of the DNS resource record (RR) types defined by RFC 7477.

Example

example.com. 3600 IN CSYNC 1 3 A AAAA MX

Related record types

CDS

Child DS

CDNSKEY

DNSKEY(s) the Child wants reflected in DS

SOA

marks the start of a zone of authority

Frequently asked questions

What does a CSYNC record do?

Used for DNS resolution and zone configuration.

Where do I add a CSYNC record?

In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).

Sources & standards

Updated 2026-09-13

Explore this reference

Related record types

CDS

Child DS

CDNSKEY

DNSKEY(s) the Child wants reflected in DS

SOA

marks the start of a zone of authority

Related ports

DNS

DNS Records

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