diff --git a/_data/catlist.yaml b/_data/catlist.yaml
index dbce695..7048fa4 100644
--- a/_data/catlist.yaml
+++ b/_data/catlist.yaml
@@ -37,6 +37,7 @@ regional:
 small:
 - AfterNET
 - BSDNet
+- DesktopMasters
 - EsperNet
 - FEFnet
 - IRCNow
@@ -51,5 +52,3 @@ small:
 - irc-nerds
 - starlink-irc
 - tilde.chat
-- xworld
-- DesktopMasters
\ No newline at end of file
diff --git a/_data/netlist.yaml b/_data/netlist.yaml
index df3ca80..e3f7277 100644
--- a/_data/netlist.yaml
+++ b/_data/netlist.yaml
@@ -1,4 +1,6 @@
-# vim:set ts=2 sw=2 et: 
+# vim: set ts=2 sw=2 et:
+%YAML 1.2
+---
 property:
   lastchange: May 2025
   groups:
@@ -17,8 +19,9 @@ emptynet:
   support_channels:
   information: >
     nix
+    nix
   servers:
-    - server
+   - server
   webserverlist:
   webstatistic:
   category:
@@ -163,6 +166,14 @@ Undernet:
     commonplace on other networks. Channel service requires certain conditions
     before registering a channel. Policy and application form available from
     their web site. Support for its services is extensive.
+  servers:
+    - irc.undernet.org
+    - chicago.il.us.undernet.org
+    - bucharest.ro.eu.undernet.org
+    - budapest.hu.eu.undernet.org
+    - dallas.tx.us.undernet.org
+    - losangeles.ca.us.undernet.org
+    - miami.fl.us.undernet.org
   webserverlist: 'https://www.undernet.org/servers.php'
   category:
     - popular
@@ -244,6 +255,15 @@ QuakeNet:
     not. Anyway, here's a network full of (mainly European) addicts. It has
     grown from a subject-specific network into the largest IRC network in the
     world!
+  servers:
+    - adrift.sg.quakenet.org
+    - atw.hu.quakenet.org
+    - cymru.us.quakenet.org
+    - euroserv.fr.quakenet.org
+    - hostsailor.ro.quakenet.org
+    - stockholm.se.quakenet.org
+    - tngnet.nl.quakenet.org
+    - underworld2.no.quakenet.org
   webserverlist: 'https://www.quakenet.org/servers'
   webstatistic: 'https://www.quakenet.org/statistics#tab-users-day'
   category:
@@ -418,6 +438,8 @@ StonerNET:
     Started November 1997
   servers:
     - irc.stonernet.org
+  category:
+    - small
   status: down
 ColdFront:
   comment: 
@@ -438,98 +460,6 @@ ColdFront:
   category:
     - game
   status: down
-SciFi:
-  comment: "2020-08-15 server ?"
-  image:
-    homepage: "http://www.scifi.com/chat/"
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    The SciFi TV channel caters to science fiction and fantasy, this chat server hosts chats with stars from the shows.
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - scifi
-  status: down
-EqNET:
-  comment: 
-    - "2020-08-15 server ?"
-    - "https://web.archive.org/web/20170912041432/https://www.equestrianpages.com/category/chat/"
-  image:
-  homepage: "http://www.equestrianpages.com"
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    All things equestrian (about horses, that is). Regular and special events. Main channel is #equestrian.
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - misc
-  status: down
-'I.I.G.S. IRC':
-  comment:
-    - "2020-08-15 server ?"
-    - "https://web.archive.org/web/20060819153931/http://www.iigs.org/irc/index.htm"
-  image:
-  homepage: "http://www.iigs.org/irc/index.htm" 
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    Genealogists worldwide unite!
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - misc
-  status: down
-BDSMnet:
-  comment:
-    - "2020-08-15 irc?"
-  image:
-  homepage: "http://www.bondage.com/irc/servers.asp"
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    Network for adults who are interested in discussions and play in all forms of sexuality. (No, it's not a porn trading post.)
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - misc
-  status: down
-StonerNET:
-  comment:
-    - "2020-08-15 server ?"
-    - "https://web.archive.org/web/20180902150525/http://stonernet.org/"
-  image:
-  homepage: "http://stonernet.org/"
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    "Our goal is to unite the stoners around the world in order to bring an end to the prohibition of cannabis."
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - misc
-  status: down
 'Kidlink IRC':
   comment:
     - "2020-08-15 server ?"
@@ -541,7 +471,8 @@ StonerNET:
   services:
   support_channels:
   information: >
-    For kids up to age 15 and educators with 'classrooms' in various languages. Requires registration prior to using, chat is monitored.
+    For kids up to age 15 and educators with 'classrooms' in various languages.
+    Requires registration prior to using, chat is monitored.
   servers:
     - server
   webserverlist:
@@ -729,7 +660,7 @@ SurNet:
   slocation: Argentina
   services: Channel (X), Nick (Nickserv)
   support_channels:
-  information: >
+  information:
   servers:
     - server
   webserverlist:
@@ -2268,26 +2199,6 @@ AmigaNet:
   status: down
   check:
     server: 
-Kidlink IRC:
-  image:
-  homepage: "http://www.kidlink.org/IRC/"
-  irchelp:
-  webchat:
-  slocation:
-  services:
-  support_channels:
-  information: >
-    Network for kids up to age 15 and educators with 'classrooms' in
-    various languages. Requires registration prior to using it.
-  servers:
-    - server
-  webserverlist:
-  webstatistic:
-  category:
-    - mytest
-  status: down
-  check:
-    server: 
 Stomped.com:
   image:
   homepage: "http://www.stomped.com/"
diff --git a/_scripts/t/netlist.t b/_scripts/t/netlist.t
new file mode 100644
index 0000000..89062c0
--- /dev/null
+++ b/_scripts/t/netlist.t
@@ -0,0 +1,144 @@
+#!/usr/bin/env perl
+#
+# check netlist.yaml and catlist.yaml
+#
+use strict;
+use Test;
+use CPAN::Meta::YAML;
+
+require "./_scripts/t/global.inc";
+
+BEGIN { plan tests=>8, todo=>[] }
+
+# netlist read
+my $fn="./_data/netlist.yaml";
+my ( $ynet, $snet);
+do {
+	local *STDERR;
+	open STDERR, '>>', \$snet;
+	eval {
+		open my $fh, "<:utf8", $fn;
+		my $yt = do { local $/; <$fh> };
+		$ynet=CPAN::Meta::YAML->read_string($yt);
+		close $fh;
+	};
+	print STDERR $@;
+};
+my $r = "\n# ".join("\n# ",split(/\n/, $snet))."\n";
+print STDERR $r if ($snet ne '');
+ok($ynet); # netlist yaml error
+ok($snet eq ''); # netlist yaml warnings
+
+my $err='';
+my @onlyp = qw/
+  image
+  homepage
+  irchelp
+  webchat
+  slocation
+  services
+  support_channels
+  information
+  servers
+  webserverlist
+  webstatistic
+  category
+  status
+  check
+  comment
+/;
+
+my %onlyp;
+foreach my $p ( @onlyp ) {
+	$onlyp{$p}=0;
+}
+foreach my $net ( keys %{$ynet->[0]} ) {
+	next if ($net eq 'property');
+	foreach my $k ( keys %{$ynet->[0]->{$net}} ) {
+		if ( !exists( $onlyp{$k} )) {
+			$err .= "# unknown property $k in $net\n";
+		}
+	}
+}
+print STDERR "\n$err" if ($err ne '');
+ok($err eq ''); # netlist only property
+
+my $err='';
+my @minp = qw/
+  information
+  servers
+  category
+  status
+/;
+
+foreach my $net ( keys %{$ynet->[0]} ) {
+	next if ($net eq 'property');
+	foreach my $k ( @minp ) {
+		if ( !exists( $ynet->[0]->{$net}->{$k} )) {
+			$err .= "# missing $k in $net\n";
+		}
+	}
+}
+print STDERR "\n$err" if ($err ne '');
+ok($err eq ''); # netlist min property
+
+# catlist read
+my $fn="./_data/catlist.yaml";
+my ($ycat, $scat);
+do {
+	local *STDERR;
+	open STDERR, '>>', \$scat;
+	eval {
+		open my $fh, "<:utf8", $fn;
+		my $yt = do { local $/; <$fh> };
+		$ycat=CPAN::Meta::YAML->read_string($yt);
+		close $fh;
+	};
+	print STDERR $@;
+};
+my $r = "\n# ".join("\n# ",split(/\n/, $scat))."\n";
+print STDERR $r if ($scat ne '');
+ok($ycat); # catlist yaml error
+ok($scat eq ''); # catlist yaml warnings
+
+my %cat;
+my %ccat;
+foreach my $net ( keys %{$ynet->[0]} ) {
+	next if ($net eq 'property');
+	next if ($ynet->[0]->{$net}->{status} ne 'active');
+	foreach my $ca ( @{$ynet->[0]->{$net}->{category}} ) {
+		$cat{$net}->{$ca}=0;
+		$ccat{$ca}->{$net}=0;
+	}
+}
+
+my $err='';
+foreach my $ca ( keys %{$ycat->[0]} ) {
+	foreach my $net ( @{$ycat->[0]->{$ca}} ) {
+		if( !exists( $cat{$net}->{$ca} ) ) {
+			$err .= "# catlist too much $net in $ca\n";
+		}
+	}
+}
+print STDERR $err if ($err ne '');
+ok($err eq ''); # catlist too much
+
+my $err='';
+foreach my $ca ( keys %ccat ) {
+	if ( !exists $ycat->[0]->{$ca} ) {
+		$err .= "# catlist missing category  $ca\n";
+		next;
+	}
+	my %n=();
+	foreach my $net ( @{$ycat->[0]->{$ca}} ) {
+		$n{$net}=0;
+	}
+	foreach my $net ( keys %{$ccat{$ca}} ) {
+		if (!exists $n{$net}) {
+			$err .= "# catlist missing $net in $ca\n";
+		}
+	}
+}
+print STDERR $err if ($err ne '');
+ok($err eq ''); # catlist missing
+