APNs in ip office

[tomo2900]

I am an engineer who handles IP OFFICE in Japan.
I'm sorry I'm not good at English.
I have a question about the domain when doing APN.
I'm using IX workplese and SBCE and would like to introduce Apple push.
I would like to set it as follows.

Example
Zang domain: 111.com
sip fqdn: ipoffice.111.com
register domain: ipoffice.111.com

In this case, there is only one global IP when registering in DNS, right?
111.com → 202.xxx.xxx.111 (global IP)
ipoffice.111.com → 202.xxx.xxx.111 (global IP)
ipoffice.111.com → 202.xxx.xxx.111 (global IP)

Also enter a TXT record.
Is this way of thinking correct?

 

[derfloh]

You are right. What do you need the TXT record for?

SBC is not very intuitive but it's worth to implement it.

IP Office remote service
IP Office certificate check
CLI based call blocking
SCN fallback over PSTN

 

[janni78]

The root domain (111.com) doesn't need to point anywhere, Zang uses the TXT record to verify it.

Normally you would have 111.com pointing at the company website, mail servers etc.

"Trying is the first step to failure..." - Homer

 

[tomo2900]

thanks you.

Set only TXT records in domain (111.com).
Do you need a global IP in your domain? ??
Is it OK to just set the global IP for the FQDN?