Yes, it's called 'rwhois'. Of course, linode can SWIP the larger
portions, with a clear indication of what parts of the IP space are used
for what.
AS well, you 'could' change default PTR's for segments used differently.
At least you are asking how you can do things differently.
I know there has been a lot of Linode 'slagging' on the list, but it
isn't as bad as some other networks.
Now, having said that that, you are looking at the IPv6 space. Are you
planning to run email on IPv6? Many challenges ahead.
As a customer, ask Linode to provide 'rwhois' for you. But for email,
you should stick to IPv4. Just my two bits.
On 2023-03-09 04:50, Michael Grant via mailop wrote:
Is there some way an ISP can tell an RBL how it's split up it's
internal IP address space? For example, our Linode's ipv6 address is
on the Spamhaus XBL, but it's the entire /28. (Thanks Tobias for
prompting me to check this!)
Anyway, it got me wondering, is there some way an ISP such as Linode
can communicate to Spamhaus how it carves up it's large swatches of
addresses? Or does this somehow happen automatically over time as I
as a customer delist my single /128 address in their database?
In the case of Spamhaus, I tried to delist my address and the delist
page says I need to make sure the problem in 2600:3c02::/32 has been
resolved.
When I do a whois lookup on my ipv6 addr, Linode is responsible for
the entire /28 yet Spamhaus seems already to have split that up down
to the /32 level, yet really it probably should be split down to the
/64 and in some cases /56 level.
I was curious, does this happen and how? Is there some internet
database that keeps track of how smaller swatches of the address space
are actually carved up? Smaller than what whois reports.
To be clear, I'm talking about how the address space is split up, NOT
the actual customer like whois reports.
Barring that, is there some way to tell Spamhaus how the address space
is carved up so I can communicate that to Linode? I looked but didn't
see anything obvious.
Michael Grant
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