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LACNIC V – 18 / 20 november 2003 - Havana, Cuba Monitoring Lame Delegations Frederico A C Neves.

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Presentation on theme: "LACNIC V – 18 / 20 november 2003 - Havana, Cuba Monitoring Lame Delegations Frederico A C Neves."— Presentation transcript:

1 LACNIC V – 18 / 20 november Havana, Cuba Monitoring Lame Delegations Frederico A C Neves

2 LACNIC V – 18 / 20 november Havana, Cuba Whats this ? To the inverse domain work there is a need of a direct delegation inside an special zone in-addr.arpa As any dns parent to child zone delegation when there is some types of inconsistencies the domain doesnt work This is generally called lame delegation

3 LACNIC V – 18 / 20 november Havana, Cuba Current Procedures Accept delegation only on correct configured servers Check (at least) –correct delegations weekly –Lame delegations every 2 days Report at Whois Report to contacts twice a month for lame delegations lasting more than a week

4 LACNIC V – 18 / 20 november Havana, Cuba Lame definition Executes a non-recursive SOA query at delegated servers. –NON AUTH-answers –Unknown domain name –Unknown host –ServFail –Query/Connection Refused –NOT SOA –CNAME –SOA Version On multi-zone delegations a single delegated server for one of the zones makes it as lame as the type of the prevailing error.

5 LACNIC V – 18 / 20 november Havana, Cuba Whois sample out-put inetnum: /19 status: allocated owner: NEWCOM AMERICAS ownerid: GT-NEAM-LACNIC responsible: Manuel Noriega address: 13 CALLE 3-40 ZONA 10, EDIFICIO ATLANTIS OFICINA 1, 1, 1 address: Guatemala - GT country: GT phone: [] owner-c: NEA2 tech-c: MAN inetrev: /23 nserver: NSGT1.NEWCOM-NS.NET nsstat: UDN nslastaa: nserver: NSSV1.NEWCOM-NS.NET nsstat: UDN nslastaa: nserver: NSHN1.NEWCOM-NS.NET nsstat: NOAA nslastaa: remarks: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE created: changed:

6 LACNIC V – 18 / 20 november Havana, Cuba Statistics % of delegated servers 03/Dec/ % (2393 in 5299) 26/Jun/ % (1947 in 5578) 19/Nov/ % (1561 in 6006) UDN18.2% UH 2.8% NOAA 1.7% CNAME 0.5% FAIL 1.1% Q/CREFUSED 1.2% ZONE_NOT_SYNC 0.5%

7 LACNIC V – 18 / 20 november Havana, Cuba Statistics updated daily at

8 LACNIC V – 18 / 20 november Havana, Cuba Next Steps Community policy enforcing the correction of lame delegations (LACNIC policy process) Check NS records correctness and glue absence. Possibly adopt or work to define a standard for lame delegation.

9 LACNIC V – 18 / 20 november Havana, Cuba Questions ?

10 LACNIC V – 18 / 20 november Havana, Cuba ERX report 22 blocks completed –76 direct allocations, 17 update. 41 blocks remain to be completed until April/2004 The so called swamp space schedule TBD Ongoing status page at –http://lacnic.net/en/erx.html


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