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 ...
A newly discovered botnet of 13,000 MikroTik devices uses a misconfiguration in domain name server records to bypass email protections and deliver malware by spoofing roughly 20,000 web domains. The ...