diff --git a/Doc/Sdi/dns.xml b/Doc/Sdi/dns.xml
new file mode 100644
index 0000000000000000000000000000000000000000..dd80590126704933712fb5131f8a72c88a1294e0
--- /dev/null
+++ b/Doc/Sdi/dns.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<chapter version="5.0" xml:id="sdiDns" xmlns="http://docbook.org/ns/docbook"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+ xmlns:xi="http://www.w3.org/2001/XInclude"
+ xmlns:svg="http://www.w3.org/2000/svg"
+ xmlns:m="http://www.w3.org/1998/Math/MathML"
+ xmlns:html="http://www.w3.org/1999/xhtml"
+ xmlns:db="http://docbook.org/ns/docbook">
+ <title>DNS</title>
+
+ <section xml:id="sdiDnsPrelim">
+ <title>Preliminaries</title>
+
+ <para>Links:</para>
+
+ <itemizedlist>
+ <listitem>
+ <para><link
+ xlink:href="https://www.digitalocean.com/community/tutorials/how-to-configure-bind-as-a-private-network-dns-server-on-ubuntu-14-04">How
+ To Configure BIND as a Private Network DNS Server on
+ Ubuntu</link></para>
+ </listitem>
+ </itemizedlist>
+
+ <programlisting language="none">apt-get install bind9 bind9utils
+
+-------------------------------------------------------------------------
+vi /etc/default/bind9
+# startup options for the server
+OPTIONS="-4 -u bind"
+-------------------------------------------------------------------------
+vim /etc/bind/named.conf.options
+options {
+ directory "/var/cache/bind";
+
+ recursion yes; # enables resursive queries
+ // allow-recursion { trusted; }; # allows recursive queries from "trusted" clients
+ listen-on { 141.62.75.104; }; # ns1 private IP address - listen on private network only
+ allow-transfer { none; }; # disable zone transfers by default
+
+ forwarders {
+ };
+
+ // If there is a firewall between you and nameservers you want
+ // to talk to, you may need to fix the firewall to allow multiple
+ // ports to talk. See http://www.kb.cert.org/vuls/id/800113
+
+ // If your ISP provided one or more IP addresses for stable
+ // nameservers, you probably want to use them as forwarders.
+ // Uncomment the following block, and insert the addresses replacing
+ // the all-0's placeholder.
+
+ // forwarders {
+ // 0.0.0.0;
+ // };
+
+ //========================================================================
+ // If BIND logs error messages about the root key being expired,
+ // you will need to update your keys. See https://www.isc.org/bind-keys
+ //========================================================================
+ dnssec-validation auto;
+
+ auth-nxdomain no; # conform to RFC1035
+ listen-on-v6 { any; };
+};
+-------------------------------------------------------------------------
+vim /etc/bind/named.conf.local
+zone "mi.hdm-stuttgart.de" {
+ type master;
+ file "/etc/bind/zones/db.mi.hdm-stuttgart.de"; # zone file path
+};
+
+zone "75.62.141.in-addr.arpa" {
+ type master;
+ file "/etc/bind/zones/db.141.62.75"; # 141.62.75.0/16 class-C subnet
+};
+-------------------------------------------------------------------------
+vim /etc/bind/zones/db.mi.hdm-stuttgart.de
+;
+; BIND data file
+;
+$TTL 604800
+@ IN SOA ns4.mi.hdm-stuttgart.de. root.mi.hdm-stuttgart.de. (
+ 3 ; Serial
+ 604800 ; Refresh
+ 86400 ; Retry
+ 2419200 ; Expire
+ 604800 ) ; Negative Cache TTL
+;
+
+; name servers - NS records
+ IN NS ns4.mi.hdm-stuttgart.de.
+
+
+; name servers - A records
+ns4.mi.hdm-stuttgart.de. IN A 141.62.75.104
+www4.mi.hdm-stuttgart.de. IN A 141.62.75.104
+-------------------------------------------------------------------------
+vim /etc/bind/zones/db.141.62.75
+
+;
+; BIND reverse data file
+;
+$TTL 604800
+@ IN SOA ns4.mi.hdm-stuttgart.de. root.mi.hdm-stuttgart.de. (
+ 1 ; Serial
+ 604800 ; Refresh
+ 86400 ; Retry
+ 2419200 ; Expire
+ 604800 ) ; Negative Cache TTL
+;
+
+; name servers - NS records
+ IN NS ns4.mi.hdm-stuttgart.de.
+
+; PTR Records
+104 IN PTR sdi4a.mi.hdm-stuttgart.de. ; 141.62.75.104:w
+</programlisting>
+
+ <para>Configure forwarder:</para>
+
+ <programlisting/>
+ </section>
+</chapter>
diff --git a/Doc/lectures.xml b/Doc/lectures.xml
index 639a9297634ac157b347b09c280245a755fcd778..a33e9c3f0b636f853f7d56d96c0d354e937e5b5d 100644
--- a/Doc/lectures.xml
+++ b/Doc/lectures.xml
@@ -110,6 +110,7 @@
<xi:include href="Sdi/gettingStarted.xml" xpointer="element(/1)"/>
<xi:include href="Sdi/ldap.xml" xpointer="element(/1)"/>
+ <xi:include href="Sdi/dns.xml" xpointer="element(/1)"/>
<xi:include href="Sdi/apache.xml" xpointer="element(/1)"/>
</part>