Is option netbios-name-servers working?

[p0wn3rs]

Hi,

I was doing some testing with dhcp-server-4.4.1, and although option 
netbios-name-servers  is configured, is not being pushed to the client.
This is the tcpdump that I see (verified also with wireshark) and 
netbios-name-servers is no where to be found in the DHCP Offer.

17:50:38.398426 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], 
proto UDP (17), length 353)
     192.168.0.15.67 > 192.168.0.21.68: [udp sum ok] BOOTP/DHCP, Reply, 
length 325, xid 0x88cd9dd1, secs 1, Flags [none] (0x0000)
       Your-IP 192.168.0.21
       Client-Ethernet-Address 08:00:27:80:d0:80
       Vendor-rfc1048 Extensions
         Magic Cookie 0x63825363
         DHCP-Message Option 53, length 1: ACK
         Server-ID Option 54, length 4: 192.168.0.15
         Lease-Time Option 51, length 4: 2920
         Subnet-Mask Option 1, length 4: 255.255.255.0
         Domain-Name-Server Option 6, length 8: 192.168.0.15,1.1.1.1
         Domain-Name Option 15, length 4: "test"
         Default-Gateway Option 3, length 4: 192.168.0.15
         NTP Option 42, length 8: 192.168.0.15

Am I looking in the wrong place or is it really not working?

thanks.