I have a setup that had 2 dns servers dns3-master and dns4-slave, in that setup I was able to add reverse delegation on the ripe site, then we had added one more dns server and we made it dns5-slave to the dns3-master. my problem started arousing with giving me error as follows Quote: >RIPE Database Webupdates >***Error: RDNS Authorisation failed >Show the full response message >- From-Host: x.x.x. >- Date/Time: Tue Jan 29 08:50:54 2013 >SUMMARY OF UPDATE: >Number of objects found: 1 >Number of objects processed successfully: 0 >Create: 0 >Modify: 0 >Delete: 0 >No Operation: 0 >Number of objects processed with errors: 1 >Create: 1 >Modify: 0 >Delete: 0 >Syntax Errors: 0 >DETAILED EXPLANATION: >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >The following object(s) were found to have ERRORS: >--- >Create FAILED: [domain] x.x.x.in-addr.arpa >***Info: Authorisation passed >***Info: Syntax check passed >domain: x.x.x.in-addr.arpa >descr: NTT Reverse Delegation for x.x.x.0/24 >nserver: dns3.ex.com >nserver: dns4.ex.com >admin-c: NRa19-RIPE >tech-c: NRa19-RIPE >zone-c: NRa19-RIPE >mnt-by: MNT-NEU >changed: [email protected] 20130129 >source: RIPE >***Info: Authorisation for parent [inetnum] x.x.x.x - x.x.x.x >using mnt-lower: >authenticated by: MNT-NEU >**RDNS: (related to x.x.x.in-addr.arpa) ERROR: No name servers >found at child. >No name servers could be found at the child. This usually >means that the child is not configured to answer queries about >the zone.** >***RDNS: (related to x.x.x.in-addr.arpa) CRITICAL: Fatal error in >delegation for zone x.x.x.in-addr.arpa. >No name servers found at child or at parent. No further >testing can be performed. >***Error: RDNS Authorisation failed >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >The RIPE Database is subject to Terms and Conditions: >http://www.ripe.net/db/support/db-terms-conditions.pdf >For assistance or clarification please contact: >RIPE Database Administration <[email protected]> >Generated by RIPE WHOIS Update version 1.51.1 on WHOIS4 >Handled sync update (RIPE, LGC, 2013-01-29 08:50:54) please help. thank you