RPZ zone name label length limit
zy33 at cornell.edu
Thu Jun 29 13:57:16 UTC 2017
What is the DNS name label length limit? As per RFC 1035, it is 63 characters. I tested a few DNS names that contains a label that is longer than 63 characters, and found that these records were successfully loaded in RPZ zone. I wonder if this is a BIND RPZ feature or bug (it allows DNS name label that is longer than 63 characters)?
When I dig these DNS records using 220.127.116.11, which reports them as ‘NXDOMAIN’.
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