ตรวจสอบ DNS Record, Host IP ด้วย PHP เอามาจากปรั่งทำไว้ตามเคยครับ ^^
- checkdnsrr() – Check if DNS records exists corresponding to a given Internet host name or IP address
- dns_get_record() – Fetch DNS Resource Records associated with a hostname
- getmxrr() – Get MX records corresponding to a given Internet host name
- gethostbyaddr() – Get the Internet host name corresponding to a given IP address
- gethostbyname() – Get the IPv4 address corresponding to a given Internet host name
- gethostbynamel() – Get a list of IPv4 addresses corresponding to a given Internet host name
ที่มา
http://www.binarytides.com/php-get-dns-nameserver-cname-mx-a-records-of-a-domain/
http://www.yourhowto.net/query-dns-records-using-php/
