Конфигурирование DNS-клиента /etc/resolv.conf : domain fedfond.msk.su nameserver 127.0.0.1 ;nameserver 128.8.2.1 /etc/defaultdomain : fedfond.msk.su /etc/host.conf : order hosts, nis, bind multi on

Как посмотреть зоны DNS nslookup -ty=ns msk.ru zzz=msk.ru ; named-xfer -z $zzz -f filename ns.$zzz egrep '^[a-z]' filename | egrep -v A | grep NS| cut -f1 | sort -u| wc или сходить в RIPE: ftp.ripe.net/ripe/hostcount
ftp.ripe.net/ripe/dbase

Результат на февраль 1997: ru - 1400 msk.ru - 217 spb.ru - 490 ras.ru - 20 msu.su - 19 rssi.ru - 42

Конфигурирование DNS-сервера /etc/named.boot ; домен fedfond.msk.su IP-сеть - 128.8.2 ; ; boot file for name server ; directory /var/named cache . named.root ; type domain source host/file backup file primary fedfond.msk.su fedfond.msk.su.hosts primary 0.0.127.in-addr.arpa named.local primary 2.8.128.in-addr.arpa 2.8.128.hosts.rev ---------------- ; local dns file named.local 0.0.127.in-addr.arpa ; @ IN SOA fedfond1.fedfond.msk.su. moshkow.fedfond.msk.su. ( 94092101; Serial 10800; Refresh 1800; Retry 3600000; Expire 86400 ); Minimum IN NS fedfond1.fedfond.msk.su. 1 IN PTR localhost. =========================== ; fedfond.msk.su zone hosts file for server fedfond1.fedfond.msk.su ; @ IN SOA fedfond1.fedfond.msk.su. moshkow.fedfond1.fedfond.su. ( 94092501; Serial 10800; Refresh 1800; Retry 3600000; Expire 86400 ); Minimum NS fedfond1.fedfond.msk.su. NS ipsun.ac.msk.su. ; MX 0 fedfond1.fedfond.msk.su. MX 20 ipsun.ac.msk.su. MX 30 mailhost.cs.msu.su. MX 40 mail.gmd.de. MX 50 sunic.sunet.se. ; localhost A 127.0.0.1 $INCLUDE /var/named/fedfond-hosts-spisok ---------------- ; Hosts in fedfond.msk.su zone mailrelay CNAME fedfond1 mailhost CNAME fedfond1 mailserver CNAME fedfond1 newshost CNAME fedfond1 ftp CNAME fedfond1 www CNAME fedfond1 gopher CNAME fedfond1 master CNAME fedfond1 server CNAME fedfond1 ; ; Host fedfond1 ; fedfond1 A 128.8.2.1 MX 0 mailrelay HINFO Motorola88110 "SVR4.1/88" WKS 128.8.2.1 UDP ( time domain name ) WKS 128.8.2.1 TCP ( echo telnet discard sunrpc uucp-path systat daytime netstat nntp link chargen ftp time whois pop-2 rje finger smtp supdup hostnames domain ) ; ; Host s20 ; s20 A 128.8.2.20 MX 0 mailrelay HINFO Besta/31 UNIX-V.3 besta CNAME s20 prilipko CNAME s20 ; ; Host s30 ; s30 A 128.8.2.30 A 128.9.2.30 A 193.124.148.59 MX 0 mailrelay HINFO PC486/66DX2 UnixWare_1.1 WKS 128.8.2.30 UDP ( time domain name ) WKS 128.8.2.30 TCP ( echo telnet discard sunrpc uucp-path systat daytime netstat nntp link chargen ftp time whois pop-2 rje finger smtp supdup hostnames domain ) unixware CNAME s30 ; ; Host pcat101 ; pcat101 A 128.8.2.101 MX 0 mailrelay HINFO PC486/66DX2 "MSDOS 6.2" pc101 CNAME pcat101 guest01 CNAME pcat101 ; ; Host pcat101 ; pcat102 A 128.8.2.102 MX 0 mailrelay HINFO PC486/66DX2 "MSDOS 6.2" pc102 CNAME pcat102 guest02 CNAME pcat102 =========================== ; Initial cache data for root domain servers ; ; list of servers ... ; 99999999 IN NS NS.INTERNIC.NET. 99999999 IN NS NS.NIC.DDN.MIL. 99999999 IN NS NS1.ISI.EDU. 99999999 IN NS AOS.ARL.ARMY.MIL. 99999999 IN NS C.NYSER.NET. 99999999 IN NS TERP.UMD.EDU. 99999999 IN NS NS.NASA.GOV. 99999999 IN NS NIC.NORDU.NET. ; ... and their adresses ; NS.INTERNIC.NET. 99999999 IN A 198.41.0.4 NS.NIC.DDN.MIL. 99999999 IN A 192.112.36.4 NS1.ISI.EDU. 99999999 IN A 128.9.0.107 AOS.ARL.ARMY.MIL. 99999999 IN A 128.63.4.82 AOS.ARL.ARMY.MIL. 99999999 IN A 192.5.25.82 C.NYSER.NET. 99999999 IN A 192.33.4.12 TERP.UMD.EDU. 99999999 IN A 128.8.10.90 NS.NASA.GOV. 99999999 IN A 128.102.16.10 NS.NASA.GOV. 99999999 IN A 192.52.195.10 NIC.NORDU.NET. 99999999 IN A 192.36.148.17 =========================== @ IN SOA fedfond1.fedfond.msk.su. moshkow.fedfond1.fedfond.msk.su. ( 94102501; Serial 10800; Refresh 1800; Retry 3600000; Expire 86400 ); Minimum NS s08.fedfond.msk.su. NS ipsun.ac.msk.su. NS ns.itep.ru. NS suncom.itep.ru. NS ns.cs.msu.su. PTR s30.fedfond.msk.su.; Gateway ; ; Reverse-name [ttl] PTR Real-name-dot ; 1 PTR fedfond1.fedfond.msk.su. 20 PTR s20.fedfond.msk.su. 30 PTR s30.fedfond.msk.su. 101 PTR pcat101.fedfond.msk.su. 102 PTR pcat102.fedfond.msk.su.