The Address (A) record associates a domain name or subdomain with an IP address, which is the primary purpose of the DNS system. The @ sign identifies "this domain;" for example, A @ nnn.nnn.nnn.nnn ...

Our support team recently investigated the common DNS security gap of leaving unused, or dangling, CNAME records in a domain’s DNS. In this article we cover CNAME hygiene best practices with our ...

Domain Name System (DNS) records can be deleted manually, as a result of some operation such as a DC demotion or other object removal, and of course, they could be deleted programmatically. Remember ...

Aging and scavenging remove stale resource records that accumulate in zone data over time. Without them, obsolete records build up, which wastes storage, slows zone transfers, and causes clients to ...

Attackers compromised third-party country-code domain infrastructure and modified authoritative DNS records to obtain ...

DNS for email is the system that routes, authenticates, and secures email messages using a set of DNS records tied to your domain. When someone sends an email to example@domain.tld, the sending mail ...

An examination of certificate transparency logs identified 32 unauthorized HTTPS certificates following DNS hijacks affecting Ghana, Sierra Leone and American Samoa, exposing vulnerabilities in domain ...