[Pdns-users] MSG SIZE exceeds 512 bytes

[abang]

Hi,

I wonder how can a answer packet from our PowerDNS Recursor (3.4-pre) 
exceeds 512 bytes. I thought this is the limit and it should be 
truncated. The MSG SIZE in the example below is 701. Has someone a 
explanation for this?

Winfried


dig +notcp +ignore  . NS @217.0.43.145

; <<>> DiG 9.8.1-P1 <<>> +notcp +ignore . NS @[myrecursorip]
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17043
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 22

;; QUESTION SECTION:
;.                              IN      NS

;; ANSWER SECTION:
.                       86354   IN      NS      c.root-servers.net.
.                       86354   IN      NS      k.root-servers.net.
.                       86354   IN      NS      a.root-servers.net.
.                       86354   IN      NS      g.root-servers.net.
.                       86354   IN      NS      i.root-servers.net.
.                       86354   IN      NS      j.root-servers.net.
.                       86354   IN      NS      d.root-servers.net.
.                       86354   IN      NS      f.root-servers.net.
.                       86354   IN      NS      e.root-servers.net.
.                       86354   IN      NS      b.root-servers.net.
.                       86354   IN      NS      h.root-servers.net.
.                       86354   IN      NS      m.root-servers.net.
.                       86354   IN      NS      l.root-servers.net.

;; ADDITIONAL SECTION:
b.root-servers.net.     86354   IN      A       192.228.79.201
a.root-servers.net.     86354   IN      A       198.41.0.4
k.root-servers.net.     3599954 IN      AAAA    2001:7fd::1
f.root-servers.net.     86354   IN      A       192.5.5.241
i.root-servers.net.     3599954 IN      AAAA    2001:7fe::53
j.root-servers.net.     3599954 IN      AAAA    2001:503:c27::2:30
a.root-servers.net.     86354   IN      AAAA    2001:503:ba3e::2:30
h.root-servers.net.     86354   IN      A       128.63.2.53
f.root-servers.net.     3599954 IN      AAAA    2001:500:2f::f
m.root-servers.net.     86354   IN      A       202.12.27.33
h.root-servers.net.     3599954 IN      AAAA    2001:500:1::803f:235
k.root-servers.net.     86354   IN      A       193.0.14.129
j.root-servers.net.     86354   IN      A       192.58.128.30
c.root-servers.net.     86354   IN      A       192.33.4.12
d.root-servers.net.     86354   IN      AAAA    2001:500:2d::d
e.root-servers.net.     86354   IN      A       192.203.230.10
m.root-servers.net.     3599954 IN      AAAA    2001:dc3::35
g.root-servers.net.     86354   IN      A       192.112.36.4
l.root-servers.net.     3599954 IN      AAAA    2001:500:3::42
i.root-servers.net.     86354   IN      A       192.36.148.17
d.root-servers.net.     86354   IN      A       128.8.10.90
l.root-servers.net.     86354   IN      A       199.7.83.42

;; Query time: 6 msec
;; SERVER: myrecursorip#53(myrecursorip)
;; WHEN: Wed Dec  5 09:33:18 2012
;; MSG SIZE  rcvd: 701