Difference between revisions of "IPv6: Reverse DNS"
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+ | ==Tampilan umum reverse DNS== | ||
+ | |||
+ | Tampilan umum revese DNS mesin IPv6 dapat dilihat dalam tabel di bawah ini. | ||
+ | |||
{| border="1" cellpadding=2 style="border-collapse: collapse" | {| border="1" cellpadding=2 style="border-collapse: collapse" | ||
Line 13: | Line 17: | ||
| 2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.8.1.c.0.y.y.y.y.e.f.f.3.ip6.int PTR www.abc.test | | 2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.8.1.c.0.y.y.y.y.e.f.f.3.ip6.int PTR www.abc.test | ||
|} | |} | ||
+ | |||
+ | ==Menghitung Reverse DNS== | ||
+ | |||
+ | Untuk menghitung reverse DNS dapat menggunakan web tool. Menggunakan tool untuk meng-"hitung" reverse DNS (rDNS) yang ada pada alamat berikut, | ||
+ | |||
+ | * http://rdns6.com/zone | ||
+ | * http://rdns6.com/hostRecord | ||
+ | |||
+ | atau menggunakan apps ipv6calc. Contoh paling sederhana adalah konversi IPv6 address ke DNS PTR query string: | ||
+ | |||
+ | $ ipv6calc --out revnibbles.arpa 2001:db8::1 | ||
+ | |||
+ | Hasilnya | ||
+ | |||
+ | No input type specified, try autodetection...found type: ipv6addr | ||
+ | 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. | ||
+ | |||
+ | Seperti yang kita lihat, format input auto detect. Ipv6calc juga mengerti tentang masking / nilai panjang prefix | ||
+ | |||
+ | $ ipv6calc -q --out revnibbles.arpa 2001:db8::1/64 | ||
+ | |||
+ | Hasilnya | ||
+ | |||
+ | 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. | ||
+ | |||
+ | ==Contoh Konfigurasi rDNS IPv6 BIND== | ||
+ | |||
+ | Edit | ||
+ | |||
+ | sudo vi /etc/bind/named.conf.local | ||
+ | |||
+ | Asumsi subnet 2345::/64, reverse zone- adalah, | ||
+ | |||
+ | zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.4.3.2.ip6.arpa." { | ||
+ | type master; | ||
+ | file "/etc/bind/zones/db.5.4.3.2"; # 2345::/64 subnet | ||
+ | allow-transfer { | ||
+ | 10.128.20.12; | ||
+ | 2345::2; | ||
+ | }; # ns2 private IP address - secondary | ||
+ | }; | ||
+ | |||
+ | |||
+ | ==Buat Reverse Zone IPv6== | ||
+ | |||
+ | Buat dan edit | ||
+ | |||
+ | cd /etc/bind/zones | ||
+ | sudo cp ../db.127 ./db.5.4.3.2 | ||
+ | sudo vi /etc/bind/zones/db.5.4.3.2 | ||
+ | |||
+ | Awalnya akan berisi kira-kira | ||
+ | |||
+ | $TTL 604800 | ||
+ | @ IN SOA localhost. root.localhost. ( | ||
+ | 1 ; Serial | ||
+ | 604800 ; Refresh | ||
+ | 86400 ; Retry | ||
+ | 2419200 ; Expire | ||
+ | 604800 ) ; Negative Cache TTL | ||
+ | ; | ||
+ | @ IN NS localhost. ; delete this line | ||
+ | 1.0.0 IN PTR localhost. ; delete this line | ||
+ | |||
+ | Ubah menjadi kira-kira, | ||
+ | |||
+ | ; | ||
+ | ; 2345::1/64 | ||
+ | ; | ||
+ | ; Zone file built with the IPv6 Reverse DNS zone builder | ||
+ | ; http://rdns6.com/ | ||
+ | ; | ||
+ | $TTL 1h ; Default TTL | ||
+ | @ IN SOA nyc3.contoh.web.id. admin.nyc3.contoh.web.id. ( | ||
+ | 2019022001 ; serial | ||
+ | 1h ; slave refresh interval | ||
+ | 15m ; slave retry interval | ||
+ | 1w ; slave copy expire time | ||
+ | 1h ; NXDOMAIN cache time | ||
+ | ) | ||
+ | |||
+ | ; | ||
+ | ; domain name servers | ||
+ | ; | ||
+ | @ IN NS ns1.nyc3.contoh.web.id. | ||
+ | @ IN NS ns2.nyc3.contoh.web.id. | ||
+ | |||
+ | ; IPv6 PTR entries | ||
+ | 1.0.1 IN PTR host1.nyc3.contoh.web.id. | ||
+ | 2.0.1 IN PTR host2.nyc3.contoh.web.id. | ||
Latest revision as of 13:16, 9 March 2019
Tampilan umum reverse DNS
Tampilan umum revese DNS mesin IPv6 dapat dilihat dalam tabel di bawah ini.
Record Type | Description | Format |
---|---|---|
AAAA | Maps a hostname to an IPv6 address. (Equivalent to an A record in IPv4.) | www.abc.test AAAA 3FFE:YYYY:C18:1::2 |
PTR | Maps an IPv6 address to a hostname. (Equivalent to a pointer record [PTR] in IPv4.) | 2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.8.1.c.0.y.y.y.y.e.f.f.3.ip6.int PTR www.abc.test |
Menghitung Reverse DNS
Untuk menghitung reverse DNS dapat menggunakan web tool. Menggunakan tool untuk meng-"hitung" reverse DNS (rDNS) yang ada pada alamat berikut,
atau menggunakan apps ipv6calc. Contoh paling sederhana adalah konversi IPv6 address ke DNS PTR query string:
$ ipv6calc --out revnibbles.arpa 2001:db8::1
Hasilnya
No input type specified, try autodetection...found type: ipv6addr 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
Seperti yang kita lihat, format input auto detect. Ipv6calc juga mengerti tentang masking / nilai panjang prefix
$ ipv6calc -q --out revnibbles.arpa 2001:db8::1/64
Hasilnya
0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
Contoh Konfigurasi rDNS IPv6 BIND
Edit
sudo vi /etc/bind/named.conf.local
Asumsi subnet 2345::/64, reverse zone- adalah,
zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.4.3.2.ip6.arpa." { type master; file "/etc/bind/zones/db.5.4.3.2"; # 2345::/64 subnet allow-transfer { 10.128.20.12; 2345::2; }; # ns2 private IP address - secondary };
Buat Reverse Zone IPv6
Buat dan edit
cd /etc/bind/zones sudo cp ../db.127 ./db.5.4.3.2 sudo vi /etc/bind/zones/db.5.4.3.2
Awalnya akan berisi kira-kira
$TTL 604800 @ IN SOA localhost. root.localhost. ( 1 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS localhost. ; delete this line 1.0.0 IN PTR localhost. ; delete this line
Ubah menjadi kira-kira,
; ; 2345::1/64 ; ; Zone file built with the IPv6 Reverse DNS zone builder ; http://rdns6.com/ ; $TTL 1h ; Default TTL @ IN SOA nyc3.contoh.web.id. admin.nyc3.contoh.web.id. ( 2019022001 ; serial 1h ; slave refresh interval 15m ; slave retry interval 1w ; slave copy expire time 1h ; NXDOMAIN cache time ) ; ; domain name servers ; @ IN NS ns1.nyc3.contoh.web.id. @ IN NS ns2.nyc3.contoh.web.id. ; IPv6 PTR entries 1.0.1 IN PTR host1.nyc3.contoh.web.id. 2.0.1 IN PTR host2.nyc3.contoh.web.id.