gistfile1.txt

Nameservers for .de domains:


* The first 3 bits of the IP address (C-class) is different for each nameserver. 
* A glue record is necessary for the domain on the nameservers. 
* The SOA (Start of Authority) must be within the guidelines.
* The domain MX record must resolve to a mail server that is valid for the life of the domain registration.
* The DNS servers must be located on two distinct class C networks.
* The zone files for both nameservers must have matching serial numbers.
* The primary and secondary hosts specified in both zone files must match the first and second nameservers entered.
* Refresh rate between 10000 and 86400 seconds
* Retry rate between 1800 and 28800 seconds
* Expiration rate between 604800 and 3600000 seconds
* Resource record TTL (Time To Live) between 180 and 345600 seconds