In this blog post, we’ll show you how to use Amazon Route 53 Resolver DNS Firewall to automatically respond to suspicious DNS queries that are detected by Amazon GuardDuty within your… Read More

AWS re:Invent 2022 is fast approaching, and this post can help you plan your agenda with a look at the sessions in the security track. AWS re:Invent, your opportunity to catch up on the la… Read More

While you manage the registration of a domain at a domain registrar, it’s not always a great idea to manage where and how your domain resolves all of its other DNS entries to resolve… Read More

Introduction to powershell nslookup The Powershell nslookup is one of the commands that can be used to fetch the datas from the network. It may be the domain name servers which has differen… Read More

DNS serves like a phonebook for the internet, which converts domain names to IP addresses, for instance if you try to connect to a resources that exits in 50 different locations, a prompt re… Read More

1. OpenDNS https://www.opendns.com/IPv4 DNS Server: 208.67.222.222208.67.220.220IPv6 DNS Server:2620:0:ccc::22620:0:ccd::2OpenDNS also offers DNS servers that block adult content, called Op… Read More

As announced on 2017-09-27 by ICANN, It is postponing the Plan of changing the cryptographic key that helps to protect Domain Name System. This news comes amid of KSK Rollover were about to… Read More

Achieving and maintaining a comprehensive cybersecurity posture is critical for modern enterprises. In this article we discuss  how organizations can use DNSSEC to protect themselves fr… Read More

In the previous two episodes about IP networking, we have seen a lot about raw addresses and port-numbers, because that is how the networking stack operates internally. But this is not how w… Read More

In the previous two episodes about IP networking, we have seen a lot about raw addresses and port-numbers, because that is how the networking stack operates internally. But this is not how w… Read More