Behavior of delegation records for dnssec

rams bramesh80 at
Tue May 11 04:40:44 UTC 2010


I have delegation of NS records in my zone and i signed zone using RSASHA1
algorithm. It is signed successfully. When I checked the the zone i am not
seeing RRSIG for delegated NS records. When I query for delegated NS record
with dnssec, it is returning NS records, NSEC and RRSIG for NSEC and also
glue records returned in additional section with out any RRSIG. Dig results
are given below.

; <<>> DiG 9.6.1-P3 <<>> @localhost A +dnssec
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40245
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 6
;; WARNING: recursion requested but not available

; EDNS: version: 0, flags: do; udp: 4096
;               IN      A

;; AUTHORITY SECTION:        86400   IN      NS        86400   IN      NS        86400   IN      NS        86400   IN      NSEC NS RRSIG NSEC        86400   IN      RRSIG   NSEC 5 4 86400
20100521075518 20100421075518 57966

;; ADDITIONAL SECTION:    86400   IN      A    86400   IN      AAAA    2001:dce:2000:2::130    86400   IN      A

Why i am not getting RRSIG for NS records and also RRSIG for additional
section records. Is there any configuration required for glue records and
delegated records . Please clarify me on this.

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