What is a Glue Record in DNS?

Question

_{Tuesday, May 24, 2016 1:54 PM}

Hi All,

I have few questions on DNS related to Windows Server 2012 R2

1-What is a Glue Record in DNS?

2-What is the difference between Glue Record and "A Record"? Why do we need 2 record types?

3-How do you configure a Glue Record in Windows Server 2012 R2?

4-What would be a practical "real world" use for Glue Record?

All replies (4)

_{Wednesday, May 25, 2016 3:13 AM ✅Answered}

Hi HillMike,

Delegation and glue records are records that you add to a zone in order to delegate a subdomain into a separate zone. A  delegation is an NS record in the parent zone that lists the name server authoritative for the delegated zone. A  glue record is an A record for the name server authoritative for the delegated zone.

For example, name server for "test.com", delegated authority for zone "a.test.com"  to the name server "de.a.test.com", then we need to add the following records to zone "test.com":

a.test.com IN NS de.a.test.com

de.a.test.com IN A 192.168.2.5

Resource Record Types:

https://technet.microsoft.com/en-us/library/cc958958.aspx?f=255&MSPPError=-2147217396

Understanding Zone Delegation:

https://technet.microsoft.com/en-us/library/cc771640%28v=ws.11%29.aspx?f=255&MSPPError=-2147217396

Best Regards,

Anne

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_{Thursday, June 2, 2016 1:50 AM ✅Answered}

Hi HillMike,

>-How do you configure a Glue Record in Windows Server 2012 R2?

For example, zone "test.com", right click new A record, de.a.test.com 192.168.2.5:

Best Regards,

Anne

Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected].

_{Monday, May 30, 2016 11:33 AM}

Thanks a lot Anne!

_{Monday, May 30, 2016 12:46 PM}

Hi Anne,

Could you please answer the other questions I asked

3-How do you configure a Glue Record in Windows Server 2012 R2?

4-What would be a practical "real world" use for Glue Record?

Thanks very much!