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 ...

Anyone familiar with the built-in O365 dns and how to export the records? Trying to find some guidance on what service to connect to, and what commands can even export the DNS records to a csv. I'm ...

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 ...

If you want to be a sysadmin or network administrator of any kind, there’s a fundamental technology you really need to understand—DNS, the Domain Name System. There was a time when a sysadmin with no ...

Aging is a feature that allows identifying stale DNS records. It actually uses two intervals and a DNS record is considered as stale once both are elapsed. These intervals are: Non-Refresh Interval: ...

You would have probably come across DNS management while surfing the internet in search of a web hosting platform. DNS is like an address book of the internet. The DNS management system is a system ...

While dynamic DNS services have been around for many years, they've recently emerged as an integral tool in the arsenals of cybercriminal groups like Scattered Spider. Dynamic DNS (DDNS) services ...

Microsoft says a mishap during a DNS migration was behind a nearly two-hour Azure outage on May 2, between 19:43 and 22:35 UTC. The global incident impacted a whole range of Microsoft cloud services, ...

The DNS CNAME is one of the most versatile tools in an IT administrator’s arsenal. One caveat to reaching the full potential of a CNAME is default TTL. IT pro Rick Vanover explains situations to lower ...