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1 Part 1 Part 2 Part 3

3 Part 1 STEP 0 1 STEP 02 66

4 // options options { directory "/var/named/"; // zone zone "." { type hint; file "named.root"; // in-addr.arpa zone zone " in-addr.arpa" { type master; file " in-addr.arpa.zone"; // example.com zone zone "example.com" { type master; file "example.com.zone"; // in-addr.arpa zone zone " in-addr.arpa" { type master; file " in-addr.arpa.zone"; // options options { directory "/var/named/"; // zone zone "." { type hint; file "named.root"; // in-addr.arpa zone zone " in-addr.arpa" { type master; file " in-addr.arpa.zone"; // example.com zone zone "example.com" { type slave; masters { ; file "example.com.bak"; // in-addr.arpa zone zone " in-addr.arpa" { type slave; masters { ; file " in-addr.arpa.bak"; 67

5 STEP 03 $TTL IN SOA ns1.example.com. hostmaster.example.com. ( ; ; 7200 ; ; 3600 ; ) IN NS ns1.example.com. ; IN NS ns2.example.com. ; IN MX 10 mx1.example.com. ; IN MX 20 mx2.example.com. ; IN A ; Web ns1 IN A ; ns2 IN A ; mx1 IN A ; mx2 IN A ; www IN CNAME example.com. ; Web 68

6 $TTL IN SOA ns1.example.com. hostmaster.example.com. ( ; ; 7200 ; ; 3600 ; ) IN NS ns1.example.com. ; IN NS ns2.example.com. ; 10 IN PTR ns1.example.com. ; 11 IN PTR ns2.example.com. ; 20 IN PTR mx1.example.com. ; 21 IN PTR mx2.example.com. ; 30 IN PTR example.com. ; Web 69

7 70

8 STEP 04 STEP 05 STEP 06 71

9 STEP 07 $ IP ; <<>> DiG ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ; IN A ;; ANSWER SECTION: IN CNAME example.com. example.com IN A IP ;; AUTHORITY SECTION: example.com IN NS ns2.example.com. example.com IN NS ns1.example.com. ;; ADDITIONAL SECTION: ns1.example.com IN A IP ns2.example.com IN A IP ;; Query time: 5 msec ;; SERVER: #53(localhost) ;; WHEN: Sat May 10 13:37: ;; MSG SIZE rcvd:

10 73 Part 2 Part 2

11 // acl acl "bogus" { /8; /8; /8; / /24; /3; /8; /12; /16; // options options { directory "/var/named/"; recursion no; allow-recursion { none; blackhole { bogus; // example.com zone zone "example.com" { type master; file "example.com.zone"; allow-query { any; allow-transfer { ; allow-update { none; notify yes; NOTIFY // in-addr.arpa zone zone " in-addr.arpa" { type master; file " in-addr.arpa.zone"; allow-query { any; allow-transfer { ; allow-update { none; notify yes; NOTIFY 74

12 // acl acl "bogus" { /8; /8; /8; / /24; /3; /8; /12; /16; // options options { directory "/var/named/"; recursion no; allow-recursion { none; blackhole { bogus; // example.com zone zone "example.com" { type slave; masters { ; file "example.com.bak"; allow-query { any; allow-transfer { none; allow-update { none; notify no; NOTIFY // in-addr.arpa zone zone " in-addr.arpa" { type slave; masters { ; file " in-addr.arpa.bak"; allow-query { any; allow-transfer { none; allow-update { none; notify no; NOTIFY // acl acl "internal" { localhost; /24; /24; // options options { directory "/var/named/"; allow-query { internal; allow-recursion { internal; // zone zone "." { type hint; file "named.root"; // localhost zone zone "localhost" { type master; file "localhost.zone"; allow-transfer { none; allow-update { none; notify no; NOTIFY // in-addr.arpa zone zone " in-addr.arpa" { type master; file " in-addr.arpa.zone"; allow-transfer { none; allow-update { none; notify no; NOTIFY 75

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14 Part 3 ERROR 0 1 ERROR 02 ERROR 03 77

15 ERROR 04 ERROR 05 ERROR 06 78

16 79 ERROR 07 ERROR 08 Column

e164.arpa DNSSEC Version JPRS JPRS e164.arpa DNSSEC DNSSEC DNS DNSSEC (DNSSEC ) DNSSEC DNSSEC DNS ( ) % # (root)

e164.arpa DNSSEC Version JPRS JPRS e164.arpa DNSSEC DNSSEC DNS DNSSEC (DNSSEC ) DNSSEC DNSSEC DNS ( ) % # (root) 1.2.0.0.1.8.e164.arpa DNSSEC Version 1.0 2006 3 7 JPRS JPRS 1.2.0.0.1.8.e164.arpa DNSSEC DNSSEC DNS DNSSEC (DNSSEC ) DNSSEC DNSSEC DNS ( ) % # (root) BIND DNS 1. DNSSEC DNSSEC DNS DNS DNS - 1 - DNS DNS