So much for livejournal then.

From: NANOG <nanog-bounces+bkain1=ford....@nanog.org> On Behalf Of Patrick 
Bryant
Sent: Saturday, March 12, 2022 5:47 AM
To: nanog@nanog.org
Subject: Dropping support for the .ru top level domain

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I don't like the idea of disrupting any Internet service. But the current 
situation is unprecedented.

The Achilles Heel of general public use of Internet services has always been 
the functionality of DNS.

Unlike Layer 3 disruptions, dropping or disrupting support for the .ru TLD can 
be accomplished without disrupting the Russian population's ability to access 
information and services in the West.

The only countermeasure would be the distribution of Russian national DNS zones 
to a multiplicity of individual DNS resolvers within Russia. Russian operators 
are in fact implementing this countermeasure, but it is a slow and arduous 
process, and it will entail many of the operational difficulties that existed 
with distributing Host files, which DNS was implemented to overcome.

The .ru TLD could be globally disrupted by dropping the .ru zone from the 13 
DNS root servers. This would be the most effective action, but would require an 
authoritative consensus. One level down in DNS delegation are the 5 
authoritative servers. I will leave it to the imagination of others to envision 
what action that could be taken there...

ru      nameserver = 
a.dns.ripn.net<https://clicktime.symantec.com/3cdaU2sBzT5kQAgPmU9MP27VN?u=http%3A%2F%2Fa.dns.ripn.net>
ru      nameserver = 
b.dns.ripn.net<https://clicktime.symantec.com/3uMLLDAAfFot5kLW2aGrLy7VN?u=http%3A%2F%2Fb.dns.ripn.net>
ru      nameserver = 
d.dns.ripn.net<https://clicktime.symantec.com/3VvNtYSroiUZkWrafZ2AH6h7VN?u=http%3A%2F%2Fd.dns.ripn.net>
ru      nameserver = 
e.dns.ripn.net<https://clicktime.symantec.com/3L2nFmWTn2Fxrq8VYwrH8ur7VN?u=http%3A%2F%2Fe.dns.ripn.net>
ru      nameserver = 
f.dns.ripn.net<https://clicktime.symantec.com/3FPH6SgxSCtpmphH1zdCawN7VN?u=http%3A%2F%2Ff.dns.ripn.net>

The impact of any action would take time (days) to propagate.

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