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<h1 id="arfnet2-deployment">ARFNET2 deployment</h1>
<p>After the disastrous ISP <a
href="http://arf20.com/explanation.txt">schism</a></p>
<h2 id="masterplan">Masterplan</h2>
<p>Stage 1: very safe - Close all ports - Nuke (or stop) all old VMs
(exclude OPNSense) - Make DMZ - Make new basic VMs (cloning deb12
template) - Open basic ports</p>
<p>Stage 2: new services - IONOS VPS for mail - Some new very safe
services - HE IPv6 tunnel - Own authoritative nameservers for domain
zone</p>
<p>Stage 3*: finally - Another VPS in unknown provider for - Tor -
Reverse-proxying the media library - PHP on main site with more web
services from scratch, hopefully secure - More new services</p>
<h2 id="domain">Domain</h2>
<p>arf20.com</p>
<p>Registrar: namecheap</p>
<h3 id="name-sever-glue-records-at-registrar">Name sever glue records
at registrar</h3>
<table>
<thead>
<tr class="header">
<th>Nameserver</th>
<th>Name</th>
<th>IP</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>NS1</td>
<td>ns1.arf20.com</td>
<td>2.59.235.35 <br> 2001:470:1f21:125::13</td>
</tr>
<tr class="even">
<td>NS2</td>
<td>ns2.arf20.com</td>
<td>5.250.186.185 <br> 2001:ba0:210:d600::1</td>
</tr>
</tbody>
</table>
<h2 id="networking">Networking</h2>
<h3 id="hardware">Hardware</h3>
<pre><code> WAP
|
+-----+ +--------------------------+ +----------------+
ISP ===| ONT |---| DELL switch |-----| TP-Link switch |
+-----+ +--------------------------+ +----------------+
| | | |
| | | |
+---------------+ Rest of devices Living room devices
| eno1 eno2 |
| server router |
+---------------+
- 1000BASE-T
= GPON fiber</code></pre>
<h4 id="dell-powerconnect-5424-switch">DELL PowerConnect 5424
switch</h4>
<p>Port assignents</p>
<table>
<thead>
<tr class="header">
<th>port</th>
<th>endpoint</th>
<th>options</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>g2</td>
<td>ONT</td>
<td>VLAN access 2</td>
</tr>
<tr class="even">
<td>g4</td>
<td>server eno2 WAN</td>
<td>VLAN access 2</td>
</tr>
<tr class="odd">
<td>g6</td>
<td>test2</td>
<td>VLAN access 2</td>
</tr>
<tr class="even">
<td>g3</td>
<td>WAP</td>
<td>VLAN access 5</td>
</tr>
<tr class="odd">
<td>g5</td>
<td>PC</td>
<td>VLAN access 4</td>
</tr>
<tr class="even">
<td>g7</td>
<td>Living R.</td>
<td>VLAN access 5</td>
</tr>
<tr class="odd">
<td>g9</td>
<td>server eno1 DMZ+LAN</td>
<td>VLAN trunk 4, 5</td>
</tr>
<tr class="even">
<td>g15</td>
<td>test4</td>
<td>VLAN access 4</td>
</tr>
<tr class="odd">
<td>g17</td>
<td>test1</td>
<td>VLAN access 1</td>
</tr>
<tr class="even">
<td>g19</td>
<td>test5</td>
<td>VLAN access 5</td>
</tr>
<tr class="odd">
<td>g21</td>
<td>iDRAC</td>
<td>VLAN access 4</td>
</tr>
<tr class="even">
<td>g23</td>
<td>printer</td>
<td>VLAN access 4</td>
</tr>
</tbody>
</table>
<p>Management</p>
<ul>
<li>interface vlan 4: 192.168.4.2/24 gw 192.168.4.1</li>
</ul>
<h3 id="public-ips">Public IPs</h3>
<ul>
<li>AVANZA_STATIC: 2.59.235.35</li>
<li>AVANZA_CGNAT: dynamic</li>
<li>HE prefixes
<ul>
<li>2001:470:1f21:125::/64</li>
<li>2600:70ff:f039::/48</li>
</ul></li>
<li>IONOS VPS: 5.250.186.185 2001:ba0:210:d600::1</li>
</ul>
<h3 id="gateways">Gateways</h3>
<ul>
<li>AVANZA
<ul>
<li>WAN_STATIC: 2.59.235.1</li>
<li>WAN_CGNAT: dynamic</li>
</ul></li>
<li>HE v6 tunnel
<ul>
<li>server: 216.66.87.102, 2001:470:1f20:125::1/64</li>
<li>client: 2.59.235.35, 2001:470:1f20:125::2</li>
</ul></li>
</ul>
<h3 id="physical-and-logical-networks">Physical and Logical
Networks</h3>
<table>
<thead>
<tr class="header">
<th>name</th>
<th>VLAN</th>
<th>net</th>
<th>desc</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>WAN</td>
<td>2</td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>DMZ</td>
<td>4</td>
<td>192.168.4.0/24 <br> 2600:70ff:f039:4::/64</td>
<td>Services</td>
</tr>
<tr class="odd">
<td>LAN</td>
<td>5</td>
<td>192.168.5.0/24 <br> 2600:70ff:f039:5::/64</td>
<td>Clients</td>
</tr>
<tr class="even">
<td>VPN</td>
<td></td>
<td>10.5.0.0/24</td>
<td>Wireguard clients</td>
</tr>
</tbody>
</table>
<h2 id="firewall">Firewall</h2>
<h3 id="interface-rules">Interface Rules</h3>
<ul>
<li>WAN_CGNAT in
<ul>
<li>deny *</li>
</ul></li>
<li>WAN_STATIC in
<ul>
<li>allow from * to {services} –> NAT rules</li>
</ul></li>
<li>DMZ in
<ul>
<li>deny from DMZ net to LAN net</li>
<li>allow from DMZ net to firewall</li>
<li>allow from DMZ net to * gw WAN_STATIC</li>
</ul></li>
<li>LAN in
<ul>
<li>allow ICMP from LAN net to firewall</li>
<li>allow IP DNS from LAN net to firewall</li>
<li>allow from LAN net to DMZ net</li>
<li>allow from LAN net to * gw WAN_CGNAT</li>
</ul></li>
</ul>
<h3 id="ipv4-nat-rules">IPv4 NAT Rules</h3>
<table>
<thead>
<tr class="header">
<th>Service</th>
<th>Customer</th>
<th>IPProto</th>
<th>Ext Port</th>
<th>Host</th>
<th>Re Port</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>OpenVPN</td>
<td></td>
<td>TCP</td>
<td>1195</td>
<td>router</td>
<td></td>
</tr>
<tr class="even">
<td>WireGuard</td>
<td></td>
<td>UDP</td>
<td>51820</td>
<td>router</td>
<td></td>
</tr>
<tr class="odd">
<td>DNS NS1</td>
<td></td>
<td>TCP/UDP</td>
<td>53</td>
<td>misc</td>
<td></td>
</tr>
<tr class="even">
<td>iperf3</td>
<td></td>
<td>TCP</td>
<td>5201</td>
<td>misc</td>
<td></td>
</tr>
<tr class="odd">
<td>NNTP</td>
<td></td>
<td>TCP</td>
<td>119</td>
<td>misc</td>
<td></td>
</tr>
<tr class="even">
<td>Web</td>
<td></td>
<td>TCP</td>
<td>80,443</td>
<td>web</td>
<td></td>
</tr>
<tr class="odd">
<td>Git</td>
<td></td>
<td>TCP</td>
<td>9418</td>
<td>web</td>
<td></td>
</tr>
<tr class="even">
<td>bittorrent</td>
<td></td>
<td>TCP/UDP</td>
<td>8999</td>
<td>nas</td>
<td></td>
</tr>
<tr class="odd">
<td>rsync</td>
<td></td>
<td>TCP/UDP</td>
<td>873</td>
<td>nas</td>
<td></td>
</tr>
<tr class="even">
<td>IRC</td>
<td></td>
<td>TCP</td>
<td>6667</td>
<td>comm</td>
<td></td>
</tr>
<tr class="odd">
<td>IRCS</td>
<td></td>
<td>TCP</td>
<td>6697</td>
<td>comm</td>
<td></td>
</tr>
<tr class="even">
<td>XMPP c2s</td>
<td></td>
<td>TCP</td>
<td>5222</td>
<td>comm</td>
<td></td>
</tr>
<tr class="odd">
<td>XMPP s2s</td>
<td></td>
<td>TCP</td>
<td>5269</td>
<td>comm</td>
<td></td>
</tr>
<tr class="even">
<td>TURN STUN</td>
<td></td>
<td>TCP/UDP</td>
<td>3478</td>
<td>comm</td>
<td></td>
</tr>
<tr class="odd">
<td>TURN</td>
<td></td>
<td>TCP/UDP</td>
<td>5349</td>
<td>comm</td>
<td></td>
</tr>
<tr class="even">
<td>TURN UDP relay</td>
<td></td>
<td>TCP/UDP</td>
<td>49152-50176</td>
<td>comm</td>
<td></td>
</tr>
<tr class="odd">
<td>mc-waterfall-proxy</td>
<td></td>
<td>TCP</td>
<td>25565</td>
<td>game</td>
<td>25567</td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="odd">
<td>exo-ssh</td>
<td>exo</td>
<td>TCP</td>
<td>4041</td>
<td>exovps</td>
<td>22</td>
</tr>
<tr class="even">
<td>exo-extra</td>
<td>exo</td>
<td>TCP</td>
<td>4040</td>
<td>exovps</td>
<td>4040</td>
</tr>
<tr class="odd">
<td>yero-ssh</td>
<td>yero</td>
<td>TCP</td>
<td>1511</td>
<td>yerovps</td>
<td>22</td>
</tr>
<tr class="even">
<td>yero-sql</td>
<td>yero</td>
<td>TCP</td>
<td>1512</td>
<td>yerovps</td>
<td>3306</td>
</tr>
<tr class="odd">
<td>FiveM SuperioresRP</td>
<td>yero</td>
<td>TCP</td>
<td>30120,40120</td>
<td>yerovps</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="ipv6-port-rules">IPv6 port rules</h3>
<table>
<thead>
<tr class="header">
<th>Service</th>
<th>Customer</th>
<th>IPProto</th>
<th>Host</th>
<th>Port</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>DNS NS1</td>
<td></td>
<td>TCP/UDP</td>
<td>misc</td>
<td>53</td>
</tr>
<tr class="even">
<td>Web</td>
<td></td>
<td>TCP</td>
<td>web</td>
<td>80,443</td>
</tr>
</tbody>
</table>
<h2 id="hosts">Hosts</h2>
<ul>
<li>server - DELL PowerEdge R720 running Proxmox PVE - …</li>
<li>mail - IONOS VPS running Debian 12 - 5.250.186.185
2001:ba0:210:d600::1</li>
</ul>
<h2 id="management">Management</h2>
<ul>
<li>OPNSense router DMZ.1</li>
<li>DELL switch DMZ.2</li>
<li>TP-Link WAP LAN.2</li>
<li>Proxmox hypervisor DMZ.4</li>
<li>DELL server iDRAC DMZ.5</li>
<li>HP printer DMZ.7</li>
</ul>
<h2 id="server-vms-and-services">server VMs and services</h2>
<p>server runs Proxmox PVE.</p>
<p>All VMs are Debian 12 (templated) with wazuh agent</p>
<h3 id="proxmox-dmz.4-hypervisor">proxmox DMZ.4 (hypervisor)</h3>
<ul>
<li>SSH</li>
<li>Proxmox management interface :8006</li>
<li>smartmon + node exporter :9100</li>
<li>sensor exporter*</li>
<li>NUT - Network UPS TOols daemon (and proper UPS)*</li>
</ul>
<h3 id="router-dmz.1">router DMZ.1</h3>
<ul>
<li>(routing/firewalling)</li>
<li>SSH</li>
<li>DHCP</li>
<li>unbound DNS</li>
<li>OpenVPN</li>
<li>WireGuard</li>
<li>IPsec*</li>
<li>ntopng :3000</li>
<li>telegraf - note: editing config via webfig breaks (timeout and
unbound config)</li>
</ul>
<h3 id="nas-dmz.6">nas DMZ.6</h3>
<p>RAID attached here (with the grey stuff) (local only)</p>
<ul>
<li>SSH</li>
<li>NFS</li>
<li>Samba SMB*</li>
<li>MiniDLNA*</li>
<li>FTP</li>
<li>qBittorrent-nox</li>
<li>jellyfin</li>
</ul>
<h3 id="web-dmz.9">web DMZ.9</h3>
<ul>
<li>SSH</li>
<li>cerbot</li>
<li>nginx (status at :8080)</li>
<li>fastcgi PHP</li>
<li>mariadb SQL</li>
<li>nginx-prometheus-exporter :9113</li>
<li>prometheus :9090</li>
<li>telegraf</li>
<li>influxdb :8086</li>
<li>grafana :3000
<ul>
<li>Proxmox</li>
<li>nginx</li>
<li>iDRAC</li>
</ul></li>
<li>zabbix*</li>
<li>netbox*</li>
<li>fcgiwrap</li>
<li>git-http-backend - git smart http server CGI</li>
<li>gitd - git daemon</li>
<li>cgit - web frontend for git</li>
<li>phpBB - forum software</li>
<li>Jekyll - blog static site generator thing</li>
<li>opentracker? - bittorrent tracker*</li>
<li>gophernicus - gopher server*</li>
</ul>
<table>
<colgroup>
<col style="width: 22%" />
<col style="width: 48%" />
<col style="width: 29%" />
</colgroup>
<thead>
<tr class="header">
<th>vhost</th>
<th>webroot/proxy</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>default</td>
<td><return 418 im a teapot></td>
<td></td>
</tr>
<tr class="even">
<td>default:8080</td>
<td><return nstub_status></td>
<td></td>
</tr>
<tr class="odd">
<td>arf20.com</td>
<td>/var/www/arf20.com/html/</td>
<td></td>
</tr>
<tr class="even">
<td>www.arf20.com</td>
<td><301 redirect arf20.com></td>
<td></td>
</tr>
<tr class="odd">
<td>matrix.arf20.com</td>
<td>http://comm.lan:8008/_matrix</td>
<td></td>
</tr>
<tr class="even">
<td>webmail.arf20.com</td>
<td>/var/www/webmail.arf20.com/html/</td>
<td>SquirrelMail</td>
</tr>
<tr class="odd">
<td>nextcloud.arf20.com</td>
<td>/var/www/nextcloud.arf20.com/html/</td>
<td></td>
</tr>
<tr class="even">
<td>grafana.arf20.com</td>
<td>http://localhost:3000</td>
<td></td>
</tr>
<tr class="odd">
<td>jellyfin.arf20.com</td>
<td>http://nas.lan:8096</td>
<td></td>
</tr>
<tr class="even">
<td>git.arf20.com</td>
<td>/srv/git/</td>
<td></td>
</tr>
<tr class="odd">
<td>cgit.arf20.com</td>
<td>fastcgi:/usr/lib/cgit/cgit.cgi</td>
<td></td>
</tr>
<tr class="even">
<td>blog.arf20.com</td>
<td>/var/www/blog.arf20.com/_site/</td>
<td></td>
</tr>
<tr class="odd">
<td>forum.arf20.com</td>
<td>/var/www/forum.arf20.com/html/</td>
<td></td>
</tr>
<tr class="even">
<td>deb.arf20.com</td>
<td>/d/FTPServer/software/debian/</td>
<td></td>
</tr>
<tr class="odd">
<td>memes.arf20.com</td>
<td>/var/www/memes.arf20.com/, /d/FTPserver/{dcimg, dcmemes,
explosionsandfire}</td>
<td></td>
</tr>
<tr class="even">
<td>news.arf20.com</td>
<td>Web-News NNTP newsgroups frontend*</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>status.yero.dev</td>
<td>http://yerovps.lan:3001</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="wazuh-dmz.10">wazuh DMZ.10</h3>
<ul>
<li>SSH</li>
<li>wazuh</li>
</ul>
<h3 id="game-dmz.11">game DMZ.11</h3>
<ul>
<li>SSH</li>
<li>waterfall (minecraft reverse proxy)
<ul>
<li>mclobby (auth)</li>
<li>mcrubenmc</li>
<li>mcgrupo4*</li>
<li>minepau*</li>
</ul></li>
<li>csgo server*</li>
</ul>
<h3 id="comm-dmz.12">comm DMZ.12</h3>
<ul>
<li>SSH</li>
<li>cerbot</li>
<li>unrealircd - IRC</li>
<li>synapse - matrix</li>
<li>postgresql - DB for synapse</li>
<li>pantalaimon - encrypt matterbridge traffic to matrix</li>
<li>matterbridge - bridge channels with different protocols</li>
<li>prosody - XMPP</li>
<li>coturn - TURN server for matrix and xmpp</li>
<li>asterisk - VoIP SIP PBX*</li>
</ul>
<h3 id="misc-deb12-lxc-dmz.13">misc (Deb12 LXC) DMZ.13</h3>
<ul>
<li>SSH</li>
<li>iperf3</li>
<li>bind9 - master authoritative nameserver for arf20.com zone NS1
<ul>
<li>public recursive*</li>
</ul></li>
<li>OpenLDAP LDAP*</li>
<li>INN2 - NNTP USENET server with SDF peering</li>
<li>Discord servers
<ul>
<li>gDebrid (gookie)</li>
</ul></li>
</ul>
<h3 id="pubnix">pubnix?*</h3>
<h3 id="mail-arfnet-ionos-vps-5.250.186.185-2001ba0210d6001">mail
(ARFNET-IONOS VPS) 5.250.186.185 2001:ba0:210:d600::1</h3>
<ul>
<li>SSH</li>
<li>certbot</li>
<li>postfix - MTA smtpd, submission, submissions <a
href="https://github.com/ARF20NET/mail-conf">config</a></li>
<li>dovecot - imapd</li>
<li>opendkim</li>
<li>majordomo? - mailing list manager*</li>
<li>bind9 - slave authoritative nameserver NS2</li>
</ul>
<h3 id="proxy-arfnet-hostmenow-vps">proxy (ARFNET-HOSTMENOW VPS)
*</h3>
<ul>
<li>SSH*</li>
<li>IPsec client*</li>
<li>proxy for ftp.arf20.com somehow*</li>
</ul>
<hr />
<h3 id="yerovps-dmz.192-yero">yerovps DMZ.192 (yero)</h3>
<ul>
<li>SSH</li>
<li>mariadb</li>
<li>FiveM SuperioresRP</li>
</ul>
<h3 id="exovps-dmz.195-exo">exovps DMZ.195 (exo)</h3>
<ul>
<li>SSH</li>
<li>netbox</li>
</ul>
<p>*TODO</p>
<h2 id="internal-name-and-number-assignation-table">Internal Name and
Number Assignation Table</h2>
<p>DMZ IPv4s and IPv6 ends in the same way</p>
<table>
<thead>
<tr class="header">
<th>Addr</th>
<th>Name</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>DMZ.1</td>
<td>router.lan</td>
</tr>
<tr class="even">
<td>DMZ.2</td>
<td>switch.lan</td>
</tr>
<tr class="odd">
<td>DMZ.3</td>
<td>wap.lan</td>
</tr>
<tr class="even">
<td>DMZ.4</td>
<td>proxmox.lan</td>
</tr>
<tr class="odd">
<td>DMZ.5</td>
<td>idrac.lan</td>
</tr>
<tr class="even">
<td>DMZ.6</td>
<td>nas.lan</td>
</tr>
<tr class="odd">
<td>DMZ.7</td>
<td>printer.lan</td>
</tr>
<tr class="even">
<td>DMZ.8</td>
<td>desktop.lan</td>
</tr>
<tr class="odd">
<td>DMZ.9</td>
<td>web.lan</td>
</tr>
<tr class="even">
<td>DMZ.10</td>
<td>wazuh.lan</td>
</tr>
<tr class="odd">
<td>DMZ.11</td>
<td>game.lan</td>
</tr>
<tr class="even">
<td>DMZ.12</td>
<td>comm.lan</td>
</tr>
<tr class="odd">
<td>DMZ.13</td>
<td>misc.lan</td>
</tr>
<tr class="even">
<td></td>
<td></td>
</tr>
<tr class="odd">
<td>DMZ.192</td>
<td>yerovps</td>
</tr>
<tr class="even">
<td>DMZ.195</td>
<td>exovps</td>
</tr>
</tbody>
</table>
<h2 id="domain-dns-zone">Domain DNS zone</h2>
<table>
<thead>
<tr class="header">
<th>Name</th>
<th>Type</th>
<th>Content</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>@</td>
<td>NS</td>
<td>ns1.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>@</td>
<td>NS</td>
<td>ns2.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>ns1</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="odd">
<td>ns1</td>
<td>AAAA</td>
<td>2600:70ff:f039:4::13</td>
<td></td>
</tr>
<tr class="even">
<td>ns2</td>
<td>A</td>
<td>5.250.186.185</td>
<td></td>
</tr>
<tr class="odd">
<td>ns2</td>
<td>AAAA</td>
<td>2001:ba0:210:d600::1</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="odd">
<td>arf20.com</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="even">
<td>arf20.com</td>
<td>AAAA</td>
<td>2600:70ff:f039:4::9</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>mail.arf20.com</td>
<td>A</td>
<td>5.250.186.185</td>
<td>ARFNET-IONOS</td>
</tr>
<tr class="odd">
<td>mail.arf20.com</td>
<td>AAAA</td>
<td>2001:ba0:210:d600::1</td>
<td>ARFNET-IONOS</td>
</tr>
<tr class="even">
<td>web.arf20.com</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="odd">
<td>web.arf20.com</td>
<td>AAAA</td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>game.arf20.com</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="odd">
<td>game.arf20.com</td>
<td>AAAA</td>
<td>2600:70ff:f039:4::11</td>
<td></td>
</tr>
<tr class="even">
<td>comm.arf20.com</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="odd">
<td>comm.arf20.com</td>
<td>AAAA</td>
<td>2600:70ff:f039:4::12</td>
<td></td>
</tr>
<tr class="even">
<td>misc.arf20.com</td>
<td>A</td>
<td>2.59.235.35</td>
<td></td>
</tr>
<tr class="odd">
<td>misc.arf20.com</td>
<td>AAAA</td>
<td>2600:70ff:f039:4::13</td>
<td></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="odd">
<td>irc.arf20.com</td>
<td>CNAME</td>
<td>comm.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>jellyfin.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>matrix.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>nextcloud.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>turn.arf20.com</td>
<td>CNAME</td>
<td>comm.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>webmail.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>www.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>xmpp.arf20.com</td>
<td>CNAME</td>
<td>comm.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>xmppconf.arf20.com</td>
<td>CNAME</td>
<td>comm.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>grafana.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>git.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>cgit.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>blog.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>forum.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>deb.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>zabbix.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>memes.arf20.com</td>
<td>CNAME</td>
<td>web.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>news.arf20.com</td>
<td>CNAME</td>
<td>misc.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>_acme-challenge.jellyfin</td>
<td>CNAME</td>
<td>(challenge)</td>
<td></td>
</tr>
<tr class="odd">
<td>_acme-challenge.irc</td>
<td>CNAME</td>
<td>(challenge)</td>
<td></td>
</tr>
<tr class="even">
<td>_acme-challenge.matrix</td>
<td>CNAME</td>
<td>(challenge)</td>
<td></td>
</tr>
<tr class="odd">
<td>_acme-challenge.mail</td>
<td>CNAME</td>
<td>(challenge)</td>
<td></td>
</tr>
<tr class="even">
<td>_acme-challenge.xmpp</td>
<td>CNAME</td>
<td>(challenge)</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>arf20.com</td>
<td>MX</td>
<td>mail.arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td>selector._domainkey</td>
<td>TXT</td>
<td>(DKIM)</td>
<td>DKIM for selector ‘selector’</td>
</tr>
<tr class="even">
<td>_dmarc</td>
<td>TXT</td>
<td>(DMARC)</td>
<td></td>
</tr>
<tr class="odd">
<td>arf20.com</td>
<td>TXT</td>
<td>(SPF)</td>
<td></td>
</tr>
</tbody>
</table>
<h2 id="he-v6-rdns-zone">HE v6 rDNS zone</h2>
<table>
<thead>
<tr class="header">
<th>Name</th>
<th>Type</th>
<th>Content</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>2600:70ff:f039:4::13</td>
<td>PTR</td>
<td>ns1.arf20.com</td>
<td></td>
</tr>
<tr class="even">
<td>2600:70ff:f039:4::9</td>
<td>PTR</td>
<td>arf20.com</td>
<td></td>
</tr>
<tr class="odd">
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even">
<td>2600:70ff:f039:4::195</td>
<td>PTR</td>
<td>arfnet.nexo.moe.</td>
<td></td>
</tr>
</tbody>
</table>
<h2 id="ionos-rdns-zone">IONOS rDNS zone</h2>
<table>
<thead>
<tr class="header">
<th>Name</th>
<th>Type</th>
<th>Content</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>5.250.186.185</td>
<td>PTR</td>
<td>mail.arf20.com</td>
<td></td>
</tr>
</tbody>
</table>
</body>
</html>
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