There are 5 different types: Primary, Secondary, Stub, Active Directory integrated, and reverse look up. See the following link for info on the different zones.
http:/www.tech-faq.com/understanding-dns-zones.shtml
Forward lookup zones
DNS poisoning involves corrupting the DNS cache with false information, redirecting users to malicious websites. DNS hijacking involves redirecting DNS queries to a different server, allowing attackers to control traffic. Both can compromise network security by leading users to fake websites or intercepting sensitive data.
DNS hijacking and DNS poisoning are both types of cyber attacks that target the Domain Name System (DNS) to redirect users to malicious websites. DNS hijacking involves an attacker gaining control over a DNS server or domain name, allowing them to redirect users to fake websites or intercept their traffic. This can lead to sensitive information being stolen or users being tricked into downloading malware. DNS poisoning, on the other hand, involves an attacker corrupting the DNS cache of a server or network, leading to legitimate domain names being redirected to malicious IP addresses. This can result in users unknowingly accessing fake websites or being exposed to phishing attacks. Both DNS hijacking and DNS poisoning can have serious implications for internet security, as they can compromise the integrity of the DNS system and lead to users unknowingly interacting with malicious content. This can result in data breaches, financial losses, and damage to an individual's or organization's reputation. It is important for users and organizations to implement strong security measures, such as using secure DNS servers and regularly monitoring for suspicious activity, to protect against these types of attacks.
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One can get more information on a Comcast DNS server from the following sources: What's My DNS, Comcast, DNS Knowledge, ZDNet, DSL Reports, Port Forward, Open DNS, Mac Medics, to name a few.
I believe 3 types of dns 1)Primary and 2)secondary and stub zones .
how many zones in india ? and how many district in each zone ? what are there
Primary zone, Secondary, Stub, Forward
Often, DNS servers that are authoritative, or primary, for specific zones also function as slave, or secondary, DNS servers for other nearby zones. This permits hosts in one zone to gain access to DNS data from those other zones.
nslookup
Forward lookup zones
a. All AD DS-integrated DNS zone records are stored in the Active Directory database. b. AD DS-integrated DNS uses the multimaster replication process of AD.
a. All AD DS-integrated DNS zone records are stored in the Active Directory database. b. AD DS-integrated DNS uses the multimaster replication process of AD.
Application Directory Partitions.
To set up DNS for a child domain, create a delegation record on the parent DNS server for the child DNS server. Create a secondary zone on the child DNS server that transfers the parent zone from the parent DNS server. Note Windows Server 2003 has additional types of zones, such as Stub Zones and forest-level integrated Active Directory zones, that may be a better fit for your environment. Set the child domain controller to point to itself first. As soon as an additional domain controller is available, set the child domain controller to point to this domain controller in the child domain as its secondary.
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The main zone types used in Windows Server 2003 DNS environments are primary zones and Active Directory-integrated zones. Both primary zones and secondary zones are standard DNS zones that use zone files. The main difference between primary zones and secondary zones is that primary zones can be updated. Secondary zones contain read-only copies of zone data.An Active Directory-integrated zone can be defined as an improved version of a primary DNS zone because it can use multi-master replication and the security features of Active Directory. The zone data of Active Directory-integrated zones are stored in Active Directory.Active Directory-integrated zones are authoritative primary zones.A few advantages that Active Directory-integrated zone implementations have over standard primary zone implementations are:Active Directory replication is faster, which means that the time needed to transfer zone data between zones is far less.The Active Directory replication topology is used for Active Directory replication, and for Active Directory-integrated zone replication. There is no longer a need for DNS replication when DNS and Active Directory are integrated.Active Directory-integrated zones can enjoy the security features of Active Directory.The need to manage your Active Directory domains and DNS namespaces as separate entities is eliminated. This in turn reduces administrative overhead.When DNS and Active Directory are integrated; the Active Directory-integrated zones are replicated, and stored on any new domain controllers automatically. Synchronization takes place automatically when new domain controllers are deployed