[dns-operations] why root-servers only sign DNSKEY(257) RRSIG ?

wbrown at e1b.org wbrown at e1b.org
Mon Nov 27 17:56:29 UTC 2017


> From: "Paul Hoffman" <phoffman at proper.com>

> > In the case of the root, is it true that the ZSK private key material
> > isn't present when the KSK signs the DNSKEY RRsets?
> 
> Yes, that is true. ZSK HSMs are maintained by Verisign in different 
> facilities than the KSK HSMs that ICANN operates.

Isn't this actually best practice for non-root operators as well, keeping 
the KSK separated from the KSK operates?



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