Product Documentation

Configuring DNS Resource Records

Oct 19, 2016
You configure resource records on the Citrix® NetScaler® appliance when you configure the appliance as an ADNS server for a zone. You can also configure resource records on the appliance if the resource records belong to a zone for which the appliance is a DNS proxy server. On the appliance, you can configure the following record types:
  • Service records
  • AAAA records
  • Address records
  • Mail Exchange records
  • Name Server records
  • Canonical records
  • Pointer records
  • NAPTR records
  • Start of Authority records
  • Text records

The following table lists the record types that you can configure for a domain name record on the NetScaler. For example, you can configure a maximum of 25 IP addresses for one record.

Table 1. Record Type and Number Configurable

Record Type

Number of Records

Address (A)

25

IPv6 (AAAA)

5

Mail exchange (MX)

12

Name server (NS)

16

Service (SRV)

8

Pointer (PTR)

20

Canonical name (CNAME)

1

Start of Authority (SOA)

1

Text (TXT)

20

Naming Authority Pointer (NAPTR)

20

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The maximum number of IP addresses for a specific hostname is 25. However, the number of different address records can be more than 25.