Check your DNS knowledge-Linux Enterprise Application-Linux server application information. The following is a detailed description. Turn: Haha, this is what I found on the Internet! Let's take a look. Let's answer it. These problems seem very simple, but they are not. I will announce the answer one week later !!
If you think you still know about dns, try to answer the following questions:
1. What is @ in the zone data file? What does IN mean?
2. Why does the dig sometimes support querying through a nameserver while nslookup tells that the nameserver cannot be found?
3. What is lame server?
4. Will you perform reverse IP address resolution when the subnet segment is not 8-bit or 8-bit?
5. Is there more forward resolution or reverse resolution on the Internet?
6. Disable the zone data transmission function. Will your hosts in the domain be secure?
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
