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Not available on mastodon.zunda.ninja.
mastodon.zunda.ninja is one of the many independent Mastodon servers you can use to participate in the fediverse.
Zundon is a single user instance as home of @zundan as well as a test bed for changes of the code.

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zunda

今回はBGPみたいだよ。NSレコードがトップレベルドメインの下にあって到達できなくなってるないだろうか。

$ dig +noall +answer NS facebook.com
facebook.com. 7188 IN NS a.ns.facebook.com.
facebook.com. 7188 IN NS c.ns.facebook.com.
facebook.com. 7188 IN NS b.ns.facebook.com.
facebook.com. 7188 IN NS d.ns.facebook.com.
$ dig +noall +answer @a.ns.facebook.com www.facebook.com
www.facebook.com. 3600 IN CNAME star-mini.c10r.facebook.com.

ってお返事あった!!

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zunda

> About five minutes before Facebook's DNS stopped working we saw a large number of BGP changes (mostly route withdrawals) for Facebook's ASN.
https://twitter.com/jgrahamc/status/1445068309288951820

TwitterJohn Graham-Cumming on TwitterBy John Graham-Cumming
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