Hello @Archer3150 and anyone else who is requesting DoH and DoT support for the TP-Link device, please check the below threads. Currently, we have already supported DoH on some of the Wi-Fi routers...

Hello @Aceonics and anyone else who is requesting DoH and DoT support for the TP-Link device, please check the below threads. Currently, we have already supported DoH on some of the Wi-Fi routers as...

Hello @Bhooty and anyone else who is requesting DoH and DoT support for the TP-Link device, please check the below threads. Currently, we have already supported DoH on some of the Wi-Fi routers as...

@Phelix102 Have you tried to reconfigure it? Do you remember the WAN Connection Type on the AX90, is it PPPoE or Dynamic IP? Please change the WAN Connection Type to the correct one, then check again...

@klipse Sure. Your case has been escalated to the support engineers already, they will contact you soon. @elchapo Can I have the specific firmware version of your Archer C6 v4? Is it the latest...

@Kedare @woozle is correct. Archer C6 V4 has already supported DoH and IoT Network in June, please upgrade to the latest firmware to check all the new features.