No valid NTP replies received after V6 update

Expected Behaviour:

Hello, I am getting these errors after the update. I am running pihole on rpi 3b.

Warning in NTP client:
No valid NTP replies received, check server and network connectivity

Actual Behaviour:

FTL.log says the following:

The FTL log says the following:

025-04-18 00:56:28.728 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:33.768 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:38.808 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:43.848 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:48.888 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:53.928 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:56:58.968 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:57:04.008 ERROR Failed to receive data from NTP server pool.ntp.org (222.127.1.20): Timeout

2025-04-18 00:57:04.008 WARNING Warning NTP client: No valid NTP replies received, check server and network connectivity

2025-04-18 00:57:04.013 INFO Local time is too inaccurate, retrying in 600 seconds before launching NTP server

Debug Token:

https://tricorder.pi-hole.net/suvYF4J7/

any help please?

I have the same issue with ntp pings but works fine on my router

my ntp pings too and set up properly.