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host command

Linux / Unix: Dig Command Find Out TTL (Time to Live) Value For DNS Records

I would like to see the Time-to-live (TTL) value for a 'AAAA' and A record for domains. How do I see Time-to-live (TTL) for a DNS record under Unix or Linux operating systems using command line options?
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How To Look Up DNS on a Linux and Unix Systems

How do I look up for DNS (Domain Name System) information on a Linux or Unix-like systems using command line options?
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HowTo: Find Out DNS Server IP Address Used By My Router?

My router configured by ISP tech and it is set to get DNS server address automatically from upstream. Is there is a way to find out the IP address of the dns server used by my router which is located at 192.168.1.1? Is there Linux, Unix, Apple OS X, or MS-Windows command that I can use get the same information?
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Linux and Unix host Command Examples

host-command

I am a new Linux and command line user. How do I use host command line utility to verify DNS settings on Linux and Unix-like operating systems? How do I use dig command to find the IP address of a host name or host Name of an IP address?

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Linux / Unix: Look Up IP Addresses

How can I look up IP addresses under UNIX or Linux operating systems using command line options?
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Linux / UNIX: DNS Lookup Command

How do I perform dns lookup under Linux or UNIX or Apple OS X operating systems without using 3rd party web sites for troubleshooting DNS usage?
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Google Apps Domain Create SPF Records For BIND or Djbdns

I work for a small business and outsourced our email hosting to Google. However, I noticed that spammers are using our From: First Last to send their spam messages. All bounced messages come to our catch only account. How do I stop this? How do I validate our domain using SPF? How do I configure a SPF for Google Apps domain using BIND 9 or djbdns?
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Linux / UNIX Command To Find Out Who Owns a Domain Name

How do I find out who owns a Internet domain name and its ip address?
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Find the DNS Authority Record for a DNS Domain (SOA)

Q.How do I find out the DNS authority record (SOA) for any DNS domain under UNIX / Linux shell?
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FreeBSD Configure IPv6 Networking / Static IP Address

How do I configure IPv6 networking under FreeBSD 7.x server? How do I assign IPv6 IP address using command line utility?
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