Why would some site be accessible over IPv6 but not over IPv4?

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What could be the potential reasons why the website theopeninghour.com is not accessible in IPv4? I am trying to open my website with ipv4 but it is not accessible. So anybody who like to answer of my question that why i am getting this error, either it is taking place due to ipv4 or ipv6

Rockjack

asked 2023-06-07 05:58:03 +0000

19.9k

Guy Harris

updated 2023-06-07 23:08:19 +0000

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Can you try pinging that site with both IPv4 and IPv6? (If I try it with ping and ping6on my Mac, I can ping theopeninghour.com with IPv4 but not with IPv6, because my Internet connection is IPv4-only.)

Guy Harris (2023-06-08 06:02:53 +0000) edit

Works over both IPv4 and IPv6 for me.

> ping theopeninghour.com

Pinging theopeninghour.com [104.21.69.251] with 32 bytes of data:
Reply from 104.21.69.251: bytes=32 time=20ms TTL=59
Reply from 104.21.69.251: bytes=32 time=20ms TTL=59
Reply from 104.21.69.251: bytes=32 time=20ms TTL=59
Reply from 104.21.69.251: bytes=32 time=20ms TTL=59

Ping statistics for 104.21.69.251:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 20ms, Maximum = 20ms, Average = 20ms

> ping -6 theopeninghour.com

Pinging theopeninghour.com [2606:4700:3031::6815:45fb] with 32 bytes of data:
Reply from 2606:4700:3031::6815:45fb: time=20ms
Reply from 2606:4700:3031::6815:45fb: time=20ms
Reply from 2606:4700:3031::6815:45fb: time=20ms
Reply from 2606:4700:3031 ...

(more)

grahamb (2023-06-08 09:16:31 +0000) edit

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And to possibly help others, the answer was?

grahamb (2023-06-13 08:39:53 +0000) edit

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Why would some site be accessible over IPv6 but not over IPv4? edit

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