Stealth NS records are sent when the authoritative zone file has been delegated to a different nameserver. For example, at the registrar level, I delegate to use the following nameservers for my domain, ‘massivedns.com’: ns1.massivedns.com ns2.massivedns.com However, when a user … Continued
The root zone holds information on the various gTLDs (Generic Top Level Domains) and sTLD’s (Sponsored Top Level Domains). A fantastic explanation by ICANN, illustrates: The DNS translates domain names that humans can remember into the numbers used by computers … Continued
Lame Nameservers are nameservers that are specified as authoritative within your DNS zone, however, when queried, they do not prove to be authoritative. This can happen when a nameserver is assigned as authoritative, however, no records for the queried domain … Continued
Reverse DNS records (commonly created via PTR / Pointer records) are records that map an IP address into a human-readable name (i.e. 220.127.116.11 -> massivedns.com).
Nameserver delegation is the process of updating your domain nameservers at the registry level. This process will off-hand or ‘delegate’ the responsibility of the domain name zone file to different nameserver(s).
A SOA (Start of Authority) record is a mandatory record used to define the information for the authoritative nameserver serving your zone. The SOA information consists of the primary name server, the email of the domain administrator, the domain serial … Continued
NS records are responsible for identifying the nameservers that are authoritative for your domain name, i.e. ns1.massivedns.com and ns2.massivedns.com Additionally, NS Records can be used to delegate a zone to a different nameserver if you wish to off-load the responsibility.
Public IP addresses are addresses that are accessible from the Internet. There are certain ranges of IP addresses that are reserved for private network use, such as: 10.0.0.0 through 10.255.255.255 169.254.0.0 through 169.254.255.255 (APIPA only) 172.16.0.0 through 172.31.255.255 192.168.0.0 through … Continued
A TXT record is an arbitrary string housed in your domain nameserver. TXT records are commonly used to facilitate SPF records.
Sender Policy Framework (SPF) is used to validate the senders IP address against an accepted IP address, defined in the record itself (typically a TXT record) SPF is an attempt to stop forged (or spoofed) email, for example, if an unscrupulous individual … Continued