1. nslookup ชื่อเว็บไซต์
nslookup www.ubuntugeek.com
Server: 127.0.1.1
Address: 127.0.1.1#53
Non-authoritative answer:
www.ubuntugeek.com canonical name = ubuntugeek.com.
Name: ubuntugeek.com
Address: 74.126.24.86
* with special DNS
nslookup ad.mydomain.com 172.16.x.xx
2. nslookup ไอพีที่ต้องกาตรวจสอบ
nslookup 74.126.24.86
Server: 127.0.1.1
Address: 127.0.1.1#53
Non-authoritative answer:
86.24.126.74.in-addr.arpa name = 74.126.24.86.static.a2webhosting.com.
Authoritative answers can be found from:
24.126.74.in-addr.arpa nameserver = ns2.a2webhosting.com.
24.126.74.in-addr.arpa nameserver = ns1.a2webhosting.com.
3. dig command
dig www.ubuntugeek.com
; <<>> DiG 9.9.5-11ubuntu1.2-Ubuntu <<>> www.ubuntugeek.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- 63300="" div="" id:="" noerror="" opcode:="" query="" status:="">
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 5
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.ubuntugeek.com. IN A
;; ANSWER SECTION:
www.ubuntugeek.com. 101 IN CNAME ubuntugeek.com.
ubuntugeek.com. 101 IN A 74.126.24.86
;; AUTHORITY SECTION:
ubuntugeek.com. 172601 IN NS rick.ns.cloudflare.com.
ubuntugeek.com. 172601 IN NS sara.ns.cloudflare.com.
;; ADDITIONAL SECTION:
rick.ns.cloudflare.com. 69808 IN A 173.245.59.139
rick.ns.cloudflare.com. 145901 IN AAAA 2400:cb00:2049:1::adf5:3b8b
sara.ns.cloudflare.com. 23875 IN A 173.245.58.144
sara.ns.cloudflare.com. 136107 IN AAAA 2400:cb00:2049:1::adf5:3a90
;; Query time: 0 msec
;; SERVER: 127.0.1.1#53(127.0.1.1)
;; WHEN: Wed Mar 30 15:57:39 ICT 2016
;; MSG SIZE rcvd: 217