This server

Written in the vi editor


Processor: 2 x Intel ® Pentium ® 4 CPU 2.80GHz
Memory: 2 GB
Harddisk: 2 x 1 TB SATA Raid1


Me (NOT XS4ALL as some sites claim).

IPv6 status

IPv6 website

Mail-, name-, sip- and webserver are IPv6 enabled. So is the secondary DNS.


Debian GNU Linux ® Jessie / 8.x (without systemd)
Apache 2.x httpd
This site is also available using HTTPS (self signed cert)
Asterisk 11.x SIP and RTP proxy
Bind 9.x named
Exim 4.x MTA
SpamAssassin 3.x mail filter
Squid 3.x proxy server


My email blacklist


DSL link and IPv6 tunnel (6in4) to XS4ALL.

Time source

GPS and DCF77


The IPv6 and NTP stats are made with RRDtool.
For the other stats the logfiles are converted to fake http logs and then fed to Analog. The fake logs are preprocessed to deal with Analog's IPv6 incompatibility. Unresolved IPv6 addresses show up as a fake '.ipvsix' TLD in the pie charts. In lists they are grouped by /32 and /48.


Leiden (NOT Amsterdam, Den Haag or Zoetermeer, as some sites claim), The Netherlands. I live near the station and the Morspoort).

Local timezone

Summer: UTC + 0200
Winter: UTC + 0100

Summer time / DST runs from the last Sunday in March to the last Sunday in October. Change takes place at 01:00 UTC.

2nd DNS




IPv6 Ready

Linux ®     Debian     Asterisk     Exim     SpamAssassin