DNSSEC Debugger Analysis of nic.de: Chain of Trust Verification
By
warpspin
If you only eat one bagel today, this is the bagel.
Summary
The DNSSEC Debugger tool from VeriSign Labs analyzes DNSSEC configuration problems for the domain nic.de. It checks DS records, RRSIGs, DNSKEY records, and their cryptographic chain of trust. The tool found 1 DS record for de in the root zone with algorithm RSASHA256, verified RRSIGs over the DS and DNSKEY RRsets, and identified 3 DNSKEY records for de. It also found 1 DS record for nic.de in the de zone. The tool flagged some unknown hosts (a.nic.de, l.de.net) during the analysis.
Key quotes
· 5 pulledFound 1 DS records for de in the . zone
DS=26755/SHA-256 has algorithm RSASHA256
Found 1 RRSIGs over DS RRset
RRSIG=54393 and DNSKEY=54393 verifies the DS RRset
DS=26755/SHA-256 verifies DNSKEY=26755/SEP
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