Someone use dnsrbld to create personal rbl ?
I am unable to bind to port 53 (and other ports)

I start and it tell that bind :

[root@EFALIST rbldnsd]# ./
rbldnsd: listening on ::1/53
rbldnsd: listening on
rbldnsd: ip4tset:/rbldnsd/test.txt: 20161017 101633: cnt=2
rbldnsd: zones reloaded, time 0.0e/0.0u sec, mem arena=284 free=131 mmap=0 Kb
rbldnsd: rbldnsd version 0.998 (05 Dec 2015) started (2 socket(s), 1 zone(s))

But when I ipscan this host I found open only ports that belongs to other 
services and not 53 :

[root@EFALIST ~]#  nmap -sT -O localhost
Starting Nmap 6.40 ( ) at 2016-10-17 14:56 CEST
Nmap scan report for localhost (
Host is up (0.000052s latency).
Other addresses for localhost (not scanned):
Not shown: 997 closed ports
22/tcp open  ssh
23/tcp open  telnet
25/tcp open  smtp
No exact OS matches for host (If you know what OS is running on it, see ).
TCP/IP fingerprint:

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