dnsjava/src/main/java/org/xbill/DNS/MXRecord.java at master · dnsjava/dnsjava

48 lines (41 loc) · 1.37 KB

// SPDX-License-Identifier: BSD-3-Clause

package org.xbill.DNS;

/**

* Mail Exchange - specifies where mail to a domain is sent

* @author Brian Wellington

* @see <a href="https://datatracker.ietf.org/doc/html/rfc1035">RFC 1035: Domain Names -

* Implementation and Specification</a>

* @see <a href="https://datatracker.ietf.org/doc/html/rfc7505">RFC 7505: A "Null MX" No Service

* Resource Record for Domains That Accept No Mail</a>

public class MXRecord extends U16NameBase {

MXRecord() {}

/**

* Creates an MX Record from the given data

* @param priority The priority of this MX. Records with lower priority are preferred.

* @param target The host that mail is sent to

public MXRecord(Name name, int dclass, long ttl, int priority, Name target) {

super(name, Type.MX, dclass, ttl, priority, "priority", target, "target");

}

/** Returns the target of the MX record */

public Name getTarget() {

return getNameField();

}

/** Returns the priority of this MX record */

public int getPriority() {

return getU16Field();

}

@Override

protected void rrToWire(DNSOutput out, Compression c, boolean canonical) {

out.writeU16(u16Field);

nameField.toWire(out, c, canonical);

}

@Override

public Name getAdditionalName() {

return getNameField();

}

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