Re: After enabling IPv6 curl github.com fails, succeeds with IPv4

[Martin Husemann <martin%duskware.de@localhost>]

On Tue, Jul 21, 2026 at 10:34:18PM +0530, Mayuresh wrote:
> On Tue, Jul 21, 2026 at 04:25:20PM +0200, Martin Husemann wrote:
> > One thing that might be broken since enabling IPv6 is the DNS server
> > itself - maybe your configuration has an IPv6 address for DNS lookups
> > now but the DNS server is broken.
> > 
> > Check /etc/resolv.conf for any IPv6 addresses.
> 
> Did dig, explicitly using @ for each DNS, it doesn't show AAAA record.

For which DNS did you try it? The ones in your /etc/resolv.conf are
the important ones.

> ping6 still goes like this:
> 
>     16 bytes from 2a06:98c1:3121::3, icmp_seq=0 hlim=54 time=4.323 ms

4.323 ms sounds like something very close to you, like at your provider.

Martin