Hi,

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 8.8.8.8, which reports them as ‘NXDOMAIN’.

Thanks,
Jim
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