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DDNS points to another ip address

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DDNS points to another ip address

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.

NilSwi

2023-12-27 22:00:47 - last edited 2024-01-03 07:51:21

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Registered: 2023-12-27

DDNS points to another ip address

2023-12-27 22:00:47 - last edited 2024-01-03 07:51:21

Tags: #DDNS

Model: Deco X20-DSL

Hardware Version: V20

Firmware Version: 55539 1.0.12

I am using Deco-X20 DSL with a simple tp link SFP converter (TP-Link MC220L) from fiber to the deco lan (WAN) port.

I am using PPPOE with ISP credentials.

I have activated DDNS service via Deco app on my Iphone device -

When I tried to run lookup on the dns address I can see it points to a different address (147.235... ) than my WAN ip address (100.88.... ) via deco app.

I have also tried changing my primary DNS srver to 8.8.8.8

Also checked port forwarding directly with the WAN ip - works fine.

1 Accepted Solution

David-TP

2023-12-28 09:39:37 - last edited 2024-01-03 07:51:21

Posts: 12347

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Registered: 2020-04-14

Re:DDNS points to another ip address-Solution

2023-12-28 09:39:37 - last edited 2024-01-03 07:51:21

@NilSwi

Hi, I think it is very likely the internet service provider uses CG-NAT service.

https://community.tp-link.com/en/home/stories/detail/1766

Thank you very much and best regards.

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