C4TG1RL5_UN1T3D
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C4TG1RL5_UN1T3D.DN42
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frog!

This commit is contained in:
famfo 2022-07-10 21:35:10 +02:00
parent 3d1cd06983
commit 1f07d2521e
29 changed files with 695 additions and 4 deletions
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3
.gitmodules vendored Normal file
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[submodule "frog/pingfinder"]
path = frog/pingfinder
url = https://git.dn42.dev/dn42/pingfinder

8
RFCs/IPAM.md
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@ -21,7 +21,7 @@
|-------------------------------|-------------------|
| Nodes | |
| 172.23.196.32 | Reserved |
| 172.23.196.33 | GPVM |
| 172.23.196.33 | frog |
| 172.23.196.34 | Bagpipe |
| 172.23.196.35 | LXC |
| Reserve | |
@ -59,8 +59,8 @@
| Subnet | Range | Comment |
|-------------------------------|-------------------------------------------------------------|-----------------------|
| fd42:deca:fbad::f1:c47:1/112 | fd42:deca:fbad::f1:c47:0000 - fd42:deca:fbad::f1:c47:ffff | GPVM net prefix |
| fd42:deca:fbad::f1:c0de:1/112 | fd42:deca:fbad::f1:c0de:0000 - fd42:deca:fbad::f1:c0de:ffff | GPVM client prefix |
| fd42:deca:fbad::f1:c47:1/112 | fd42:deca:fbad::f1:c47:0000 - fd42:deca:fbad::f1:c47:ffff | frog net prefix |
| fd42:deca:fbad::f1:c0de:1/112 | fd42:deca:fbad::f1:c0de:0000 - fd42:deca:fbad::f1:c0de:ffff | frog client prefix |
| fd42:deca:fbad::f2:c47:1/112 | fd42:deca:fbad::f2:c47:0000 - fd42:deca:fbad::f2:c47:ffff | Bagpipe net prefix |
| fd42:deca:fbad::f2:c0de:1/112 | fd42:deca:fbad::f2:c0de:0000 - fd42:deca:fbad::f2:c0de:ffff | Bagpipe client prefix |
@ -68,7 +68,7 @@
| Address | |
|---------------------------|-------------------|
| fd42:deca:fbad::1 | GPVM |
| fd42:deca:fbad::1 | frog |
| fd42:deca:fbad::2 | Bagpipe |
| fd42:deca:fbad::3 | LXC |
| fd42:deca:fbad::f1:c47:ff | Authoritative DNS |

95
frog/bird/bird.conf Normal file
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define AS = 4242421411;
define IPv4 = 172.23.196.33;
define IPv6 = fd42:deca:fbad::1;
define NETv4 = 172.23.196.32/27;
define NETv6 = fd42:deca:fbad::/48;
define NETSETv4 = [172.23.196.32/27+];
define NETSETv6 = [fd42:deca:fbad::/48+];
define DN42_REGION = 41;
router id IPv4;
log "/tmp/bird.log" all;
roa4 table dn42_roa;
roa6 table dn42_roa6;
protocol device {
scan time 10;
};
protocol kernel {
scan time 20;
ipv4 {
import none;
export filter {
if source = RTS_DEVICE then reject;
krt_prefsrc = IPv4;
accept;
};
};
};
protocol kernel {
scan time 20;
ipv6 {
import none;
export filter {
if source = RTS_DEVICE then reject;
krt_prefsrc = IPv6;
accept;
};
};
};
protocol static {
roa4 {
table dn42_roa;
};
include "/etc/bird/roa/dn42_roa_bird2_4.conf";
};
protocol static {
roa6 {
table dn42_roa6;
};
include "/etc/bird/roa/dn42_roa_bird2_6.conf";
};
protocol static {
route NETv4 reject;
ipv4 {
import all;
export none;
};
};
protocol static {
route NETv6 reject;
ipv6 {
import all;
export none;
};
};
template bgp dn42_peer {
local as AS;
prefer older on;
enforce first as on;
enable extended messages on;
};
template bgp dn42_igp {
local as AS;
enable extended messages on;
direct;
};
# Functions
include "/etc/bird/functions/*.conf";
# IGP stuff
include "/etc/bird/igp/*.conf";
include "/etc/bird/babel.conf";
# BGP peers
include "/etc/bird/peers/*";

26
frog/bird/bird/babel.conf Normal file
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protocol direct {
ipv4;
ipv6;
interface "dn42_igp";
}
protocol babel frog {
ipv4 {
import where source != RTS_BGP && is_self_net();
export where source != RTS_BGP && is_self_net();
};
ipv6 {
import where source != RTS_BGP && is_self_net_v6();
export where source != RTS_BGP && is_self_net_v6();
};
interface "igp_lxc" {
rxcost 30;
};
interface "igp_bagpipe" {
rxcost 130;
};
}

42
frog/bird/bird/functions/a_functions.conf Normal file
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function is_self_net() {
return net ~ NETSETv4;
}
function is_valid_network() {
return net ~ [
172.20.0.0/14{21,29}, # dn42
172.20.0.0/24{28,32}, # dn42 Anycast
172.21.0.0/24{28,32}, # dn42 Anycast
172.22.0.0/24{28,32}, # dn42 Anycast
172.23.0.0/24{28,32}, # dn42 Anycast
172.31.0.0/16+, # ChaosVPN
10.100.0.0/14+, # ChaosVPN
10.127.0.0/16{16,32}, # neonetwork
10.0.0.0/8{15,24} # Freifunk.net
];
}
function is_self_net_v6() {
if net ~ NETSETv6 then {
print "[dn42] route", net, "is inside", NETSETv6;
return true;
}
return false;
}
function is_valid_network_v6() {
return net ~ [
fd00::/8{44,64} # ULA address space as per RFC 4193
];
}
function is_igp_network() {
if net.type = NETv4 && net ~ NETSETv4 then {
return true;
} else if net.type = NETv6 && net ~ NETSETv6 then {
return true;
} else {
return false;
}
}

110
frog/bird/bird/functions/b_filters.conf Normal file
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# Based on jlu5's custom filters
# https://github.com/jlu5/ansible-dn42
# Adapted for AS4242421411 - C4TG1RL5
function lower_pref(int x) {
if (bgp_local_pref > x) then {
bgp_local_pref = bgp_local_pref - x;
} else {
bgp_local_pref = 0;
}
}
function get_region_tag(int region_tag) {
if (region_tag = 44) then {
return 1; # North America - West
} else if (region_tag ~ [42..43]) then {
return 2; # North America - Central/East
} else if (region_tag = 41) then {
return 3; # Europe
} else if (region_tag ~ [51..53]) then {
return 4; # Asia E/SE + Oceania
}
return 0;
}
function prefer_same_region_origin(int base_weight)
int region_tag;
int incoming_tag;
{
region_tag = get_region_tag(DN42_REGION);
incoming_tag = 0;
if ((64511, 41) ~ bgp_community) then {
incoming_tag = get_region_tag(41);
}
else if ((64511, 42) ~ bgp_community) then {
incoming_tag = get_region_tag(42);
}
else if ((64511, 43) ~ bgp_community) then {
incoming_tag = get_region_tag(43);
}
else if ((64511, 44) ~ bgp_community) then {
incoming_tag = get_region_tag(44);
}
else if ((64511, 50) ~ bgp_community) then {
incoming_tag = get_region_tag(50);
}
else if ((64511, 51) ~ bgp_community) then {
incoming_tag = get_region_tag(51);
}
else if ((64511, 52) ~ bgp_community) then {
incoming_tag = get_region_tag(52);
}
else if ((64511, 53) ~ bgp_community) then {
incoming_tag = get_region_tag(53);
}
if (incoming_tag = 0 || incoming_tag = region_tag) then {
bgp_local_pref = bgp_local_pref + base_weight;
}
}
function bgp_import_filter() {
# Reject routes with long path lengths
if (bgp_path.len > 12) then {
reject;
}
bgp_local_pref = bgp_local_pref + 1400;
lower_pref(bgp_path.len * 100);
prefer_same_region_origin(300);
if (source = RTS_BGP && (65535, 666) ~ bgp_community) then {
dest = RTD_BLACKHOLE;
}
};
function igp_import_filter() {
if (source != RTS_BGP) then {
reject;
}
if (!is_valid_network() && !is_valid_network_v6()) then {
reject;
}
# TODO: fix this
# bgp_local_pref = bgp_local_pref + 200;
lower_pref(bgp_path.len * 100);
if (bgp_path.len = 0) then {
bgp_local_pref = bgp_local_pref + 2000;
}
prefer_same_region_origin(200);
accept;
}
# TODO: implement exports with the bgp_med attribute
function igp_export_filter() {
if (source != RTS_BGP && !is_igp_network()) then {
reject;
}
if (is_igp_network() && source = RTS_DEVICE) then {
reject;
}
accept;
}

107
frog/bird/bird/functions/c_community_filters.conf Normal file
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# Stole from https://github.com/jlu5/ansible-dn42/tree/main/roles/config-bird2
# adapted for our general config (thanks jlu5 for sharing it)
#
# DN42 community filters. Based off https://dn42.net/howto/Bird-communities and tweaked
# for Bird 2
function update_latency(int link_latency) {
bgp_community.add((64511, link_latency));
if (64511, 9) ~ bgp_community then { bgp_community.delete([(64511, 1..8)]); return 9; }
else if (64511, 8) ~ bgp_community then { bgp_community.delete([(64511, 1..7)]); return 8; }
else if (64511, 7) ~ bgp_community then { bgp_community.delete([(64511, 1..6)]); return 7; }
else if (64511, 6) ~ bgp_community then { bgp_community.delete([(64511, 1..5)]); return 6; }
else if (64511, 5) ~ bgp_community then { bgp_community.delete([(64511, 1..4)]); return 5; }
else if (64511, 4) ~ bgp_community then { bgp_community.delete([(64511, 1..3)]); return 4; }
else if (64511, 3) ~ bgp_community then { bgp_community.delete([(64511, 1..2)]); return 3; }
else if (64511, 2) ~ bgp_community then { bgp_community.delete([(64511, 1..1)]); return 2; }
else return 1;
}
function update_bandwidth(int link_bandwidth) {
bgp_community.add((64511, link_bandwidth));
if (64511, 21) ~ bgp_community then { bgp_community.delete([(64511, 22..29)]); return 21; }
else if (64511, 22) ~ bgp_community then { bgp_community.delete([(64511, 23..29)]); return 22; }
else if (64511, 23) ~ bgp_community then { bgp_community.delete([(64511, 24..29)]); return 23; }
else if (64511, 24) ~ bgp_community then { bgp_community.delete([(64511, 25..29)]); return 24; }
else if (64511, 25) ~ bgp_community then { bgp_community.delete([(64511, 26..29)]); return 25; }
else if (64511, 26) ~ bgp_community then { bgp_community.delete([(64511, 27..29)]); return 26; }
else if (64511, 27) ~ bgp_community then { bgp_community.delete([(64511, 28..29)]); return 27; }
else if (64511, 28) ~ bgp_community then { bgp_community.delete([(64511, 29..29)]); return 28; }
else return 29;
}
function update_crypto(int link_crypto) {
bgp_community.add((64511, link_crypto));
if (64511, 31) ~ bgp_community then { bgp_community.delete([(64511, 32..34)]); return 31; }
else if (64511, 32) ~ bgp_community then { bgp_community.delete([(64511, 33..34)]); return 32; }
else if (64511, 33) ~ bgp_community then { bgp_community.delete([(64511, 34..34)]); return 33; }
else return 34;
}
function update_flags(int link_latency; int link_bandwidth; int link_crypto)
int dn42_latency;
int dn42_bandwidth;
int dn42_crypto;
{
dn42_latency = update_latency(link_latency);
dn42_bandwidth = update_bandwidth(link_bandwidth) - 20;
dn42_crypto = update_crypto(link_crypto) - 30;
# TODO: abstract this out into a config variable
if dn42_bandwidth > 4 then dn42_bandwidth = 4;
return true;
}
function dn42_import_filter(int link_latency; int link_bandwidth; int link_crypto) {
if net.type = NET_IP4 && is_valid_network() && !is_self_net() then {
if (roa_check(dn42_roa, net, bgp_path.last) != ROA_VALID) then {
print "[dn42] ROA check failed for ", net, " - AS ", bgp_path.last;
reject;
}
} else if net.type = NET_IP6 && is_valid_network_v6() && !is_self_net_v6() then {
if (roa_check(dn42_roa6, net, bgp_path.last) != ROA_VALID) then {
print "[dn42] ROA check failed for ", net, " - AS ", bgp_path.last;
reject;
}
} else { # Invalid IP or unknown net type
reject;
}
update_flags(link_latency, link_bandwidth, link_crypto);
bgp_import_filter();
accept;
}
function dn42_export_filter(int link_latency; int link_bandwidth; int link_crypto) {
if (is_valid_network() || is_valid_network_v6()) then {
if source = RTS_STATIC || source = RTS_DEVICE then {
bgp_community.add((64511, DN42_REGION));
}
update_flags(link_latency, link_bandwidth, link_crypto);
accept;
}
reject;
}
function dn42_ibgp_import_filter(int link_latency; int link_bandwidth; int link_crypto) {
if source = RTS_BGP && net.type = NET_IP4 && is_valid_network() && !is_self_net() then {
update_flags(link_latency, link_bandwidth, link_crypto);
accept;
} else if source = RTS_BGP && net.type = NET_IP6 && is_valid_network_v6() && !is_self_net_v6() then {
update_flags(link_latency, link_bandwidth, link_crypto);
accept;
} else {
reject;
}
}
function dn42_ibgp_export_filter(int link_latency; int link_bandwidth; int link_crypto) {
if source = RTS_BGP && (is_valid_network() || is_valid_network_v6()) && (!is_self_net() || !is_self_net_v6()) then {
update_flags(link_latency, link_bandwidth, link_crypto);
accept;
}
reject;
}

16
frog/bird/bird/igp/ibgp_bagpipe.conf Normal file
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protocol bgp ibgp_bagpipe from dn42_igp {
neighbor fe80::4242:2%igp_bagpipe as AS;
ipv4 {
import where igp_import_filter();
export where dn42_ibgp_export_filter(5,24,33);
next hop self;
extended next hop on;
};
ipv6 {
import where igp_import_filter();
export where dn42_ibgp_export_filter(5,24,33);
next hop self;
};
}

18
frog/bird/bird/igp/ibgp_lxc.conf Normal file
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protocol bgp ibgp_lxc from dn42_igp {
neighbor fe80::4242:2%igp_lxc as AS;
passive off;
ipv4 {
import where igp_import_filter();
export where igp_export_filter();
next hop self;
extended next hop on;
};
ipv6 {
import where igp_import_filter();
export where igp_export_filter();
next hop self;
};
}

29
frog/bird/bird/peers/COLLECTOR.conf Normal file
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protocol bgp COLLECTOR {
local as AS;
neighbor fd42:4242:2601:ac12::1 as 4242422602;
multihop;
ipv4 {
add paths tx;
import none;
export filter {
if ( is_valid_network() && source ~ [ RTS_STATIC, RTS_BGP ] )
then {
accept;
}
reject;
};
};
ipv6 {
add paths tx;
import none;
export filter {
if ( is_valid_network_v6() && source ~ [ RTS_STATIC, RTS_BGP ] )
then {
accept;
}
reject;
};
};
};

15
frog/bird/bird/peers/burble.conf Normal file
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protocol bgp burble from dn42_peer {
neighbor fe80::42:2601:31:1%dn42_burble as 4242422601;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

16
frog/bird/bird/peers/fortless.conf Normal file
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protocol bgp fortless_4 from dn42_peer {
neighbor 172.20.222.224 as 4242423192;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}
protocol bgp fortless_6 from dn42_peer {
neighbor fe80::3198%dn42_fortless as 4242423192;
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

15
frog/bird/bird/peers/jlu5.conf Normal file
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protocol bgp jlu5 from dn42_peer {
neighbor fe80::1080:121%dn42_jlu5 as 4242421080;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

15
frog/bird/bird/peers/kioubit.conf Normal file
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protocol bgp kioubit from dn42_peer {
neighbor fe80::ade0%dn42_kioubit as 4242423914;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

14
frog/bird/bird/peers/kskb-neo.conf Normal file
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protocol bgp kskb_neo from dn42_peer {
neighbor fe80::1111%dn42_kskb_neo as 4201271111;
ipv4 {
import where dn42_import_filter(5,25,33);
export where dn42_export_filter(5,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(5,25,33);
export where dn42_export_filter(5,25,33);
};
}

14
frog/bird/bird/peers/kskb.conf Normal file
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protocol bgp kskb from dn42_peer {
neighbor fe80::1817%dn42_kskb as 4242421817;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

14
frog/bird/bird/peers/lutoma.conf Normal file
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protocol bgp lutoma from dn42_peer {
neighbor fe80::acab%dn42_lutoma as 64719;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

15
frog/bird/bird/peers/maraun.conf Normal file
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protocol bgp maraun from dn42_peer {
neighbor fe80::2225%dn42_maraun as 4242422225;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

15
frog/bird/bird/peers/mark22k.conf Normal file
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protocol bgp mark22k from dn42_peer {
neighbor fe80::2924%dn42_mark22k as 4242422923;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

16
frog/bird/bird/peers/munsternet.conf Normal file
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protocol bgp munsternet from dn42_peer {
neighbor fe80::42:2237%dn42_munsternet as 4242422237;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

16
frog/bird/bird/peers/tomkap.conf Normal file
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protocol bgp tomkap from dn42_peer {
neighbor fe80::ffff:2092%dn42_tomkap as 4242422092;
passive off;
ipv4 {
import where dn42_import_filter(1,25,33);
export where dn42_export_filter(1,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(1,25,33);
export where dn42_export_filter(1,25,33);
};
}

15
frog/bird/bird/peers/whojk.conf Normal file
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protocol bgp whojk from dn42_peer {
neighbor fe80::2717%dn42_whojk as 4242422717;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

15
frog/bird/bird/peers/yuuta.conf Normal file
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protocol bgp yuuta from dn42_peer {
neighbor fe80::2980%dn42_yuuta as 4242422980;
passive off;
ipv4 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
extended next hop on;
};
ipv6 {
import where dn42_import_filter(3,25,33);
export where dn42_export_filter(3,25,33);
};
}

4
frog/cron Normal file
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0 * * * * curl -sfo /etc/bird/roa/dn42_roa_bird2_6.conf https://dn42.burble.com/roa/dn42_roa_bird2_6.conf && birdc configure
0 * * * * curl -sfo /etc/bird/roa/dn42_roa_bird2_4.conf https://dn42.burble.com/roa/dn42_roa_bird2_4.conf && birdc configure
*/5 * * * * UUID= /usr/local/bin/generic-linux-debian-redhat-busybox.sh

7
frog/nsd/zones/0-24.42.0.10.in-addr.arpa.zone Normal file
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$ORIGIN 0/24.42.0.10.in-addr.arpa.
$TTL 600
0/24.42.0.10.in-addr.arpa. IN SOA ns1.frog lemon.lemonsh.moe 1 7200 3600 1209600 3600
1 IN PTR at-vie1.frog

14
frog/nsd/zones/32-27.196.23.172.in-addr.arpa.zone Normal file
View File

@ -0,0 +1,14 @@
$ORIGIN 32/27.196.23.172.in-addr.arpa.
$TTL 600
32/27.196.23.172.in-addr.arpa. IN SOA ns1.catgirls.dn42. lemon.lemonsh.moe. 1 7200 3600 1209600 3600
33 IN PTR at-vie1_frog.catgirls.dn42.
34 IN PTR us-tex1_bagpipe.catgirls.dn42.
35 IN PTR fi-hel1_lxc.catgirls.dn42.
41 IN PTR famfo.catgirls.dn42.
43 IN PTR lemon.catgirls.dn42.
52 IN PTR ns1.catgirls.dn42.

15
frog/nsd/zones/catgirls.dn42.zone Normal file
View File

@ -0,0 +1,15 @@
$ORIGIN catgirls.dn42.
$TTL 600
catgirls.dn42. IN SOA ns1.catgirls.dn42. lemon.lemonsh.moe. 1 7200 3600 1209600 3600
_dn42_tlsverify.catgirls.dn42. IN TXT C4TG1RL5-MNT:pin-sha256:2pA38u4nEUzN2mSi7hmqR4GR6koZIU+JTgJZt41860Q=
catgirls.dn42. IN A 172.23.196.33
catgirls.dn42. IN AAAA fd42:deca:fbad::1
;catgirls.dn42. IN NS ns1
ns1 IN A 172.23.196.52
ns1 IN AAAA fd42:deca:fbad::f1:c47:ff
factorio IN A 172.23.196.33

9
frog/nsd/zones/d.a.b.f.a.c.e.d.2.4.d.f.ip6.arpa.zone Normal file
View File

@ -0,0 +1,9 @@
$ORIGIN d.a.b.f.a.c.e.d.2.4.d.f.ip6.arpa.
$TTL 600
d.a.b.f.a.c.e.d.2.4.d.f.ip6.arpa. IN SOA ns1.catgirls.dn42 lemon.lemonsh.moe. 2021082301 1800 3600 1209600 3600
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 IN PTR at-vie1_frog.catgirls.dn42.
2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 IN PTR us-tex1_bagpipe.catgirls.dn42.
3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 IN PTR fi-hel1_lxc.catgirls.dn42.

1
frog/pingfinder Submodule

@ -0,0 +1 @@
Subproject commit 4a185c375c404360b4f2fa3f5791d0b8876c83ca