Published on: 2025-05-14 15:37:59
CISA, the FBI, the NSA, and international cybersecurity agencies are calling on organizations and DNS providers to mitigate the "Fast Flux" cybercrime evasion technique used by state-sponsored threat actors and ransomware gangs. Although the technique isn't new, its effectiveness has been documented and proven repeatedly in actual cyberattacks. How Fast Flux helps with evasion Fast Flux is a DNS technique used for evading detection and maintaining resilient infrastructure used for command and
Keywords: cisa dns fast flux ip
Find related items on AmazonPublished on: 2025-05-22 19:22:21
Reverse DNS lookup or reverse DNS resolution (rDNS) is the determination of a domain name that is associated with a given IP address. Some companies such as AOL will reject any message sent from a server without rDNS, so you must ensure that you have one. You cannot associate more than one domain name with a single IP address. Your IP address 57.103.88.93 is associated with the domain p-east1-cluster7-host9-snip4-10.eps.apple.com. Nevertheless your message appears to be sent from p00-icloudm
Keywords: address associated dns domain ip
Find related items on AmazonPublished on: 2025-05-24 03:33:17
A newly discovered phishing-as-a-service (PhaaS) operation that researchers call Morphing Meerkat, has been using the DNS over HTTPS (DoH) protocol to evade detection. The platform also leverages DNS email exchange (MX) records to identify victims’ email providers and to dynamically serve spoofed login pages for more than 114 brands. Morphing Meerkat has been active since at least 2020 and it was discovered by security researchers at Infoblox. Although the activity has been partially documente
Keywords: dns email mx phishing victim
Find related items on AmazonPublished on: 2025-05-26 18:42:03
I recently investigated a warning message on Kubernetes that said: DNSConfigForming ... Nameserver limits were exceeded, some nameservers have been omitted . This was technically a Kubernetes event with type: Warning , and these usually indicate that there’s something wrong, so I wanted to investigate it. This led me down a pretty deep rabbit hole about DNS resolution on Linux in general and Kubernetes in particular. I thought it might be helpful to others to explain how this all works, just in
Keywords: conf dns kubernetes local resolve
Find related items on AmazonPublished on: 2025-06-02 21:46:04
Italy is using its Piracy Shield law to go after Google, with a court ordering the Internet giant to immediately begin poisoning its public DNS servers. This is just the latest phase of a campaign that has also targeted Italian ISPs and other international firms like Cloudflare. The goal is aimed at preventing illegal football streams, but the effort has already caused collateral damage. Regardless, Italy's communication regulator praises the ruling and hopes to continue sticking it to internati
Keywords: court dns domain google italy
Find related items on AmazonPublished on: 2025-06-03 13:52:31
Italy is using its Piracy Shield law to go after Google, with a court ordering the Internet giant to immediately begin poisoning its public DNS servers. This is just the latest phase of a campaign that has also targeted Italian ISPs and other international firms like Cloudflare. The goal is aimed at preventing illegal football streams, but the effort has already caused collateral damage. Regardless, Italy's communication regulator praises the ruling and hopes to continue sticking it to internati
Keywords: court dns domain google italy
Find related items on AmazonPublished on: 2025-06-03 18:52:31
Italy is using its Piracy Shield law to go after Google, with a court ordering the Internet giant to immediately begin poisoning its public DNS servers. This is just the latest phase of a campaign that has also targeted Italian ISPs and other international firms like Cloudflare. The goal is aimed at preventing illegal football streams, but the effort has already caused collateral damage. Regardless, Italy's communication regulator praises the ruling and hopes to continue sticking it to internati
Keywords: court dns domain google italy
Find related items on AmazonPublished on: 2025-06-12 23:55:18
One fateful weekend I decided to try and self-host my e-mail . Now over eight years later I have to commend the Mail-in-a-Box (MiaB) project, its main author @JoshData and the community around it. Thanks for the eight years so far and here’s to eight years more, and beyond! https://nilsnh.no/2023/09/02/celebrating-8-years-of-self-hosting-mail-in-a-box/ One fateful weekend I decided to try and self-host my e-mail. Now over eight years later I have to commend the Mail-in-a-Box (MiaB) project, it
Keywords: dns email mail miab server
Find related items on AmazonPublished on: 2025-06-24 22:47:37
We have tried pinging Twitter website using our server and the website returned the above results. If twitter.com is down for us too there is nothing you can do except waiting. Probably the server is overloaded, down or unreachable because of a network problem, outage or a website maintenance is in progress... The above graph displays service status activity for Twitter.com over the last 10 automatic checks. The blue bar displays the response time, which is better when smaller. If no bar is dis
Keywords: access browser dns service twitter
Find related items on AmazonPublished on: 2025-07-05 12:54:37
Steve Friedl's Unixwiz.net Tech Tips An Illustrated Guide to the Kaminsky DNS Vulnerability The big security news of Summer 2008 has been Dan Kaminsky's discovery of a serious vulnerability in DNS. This vulnerability could allow an attacker to redirect network clients to alternate servers of his own choosing, presumably for ill ends. This all led to a mad dash to patch DNS servers worldwide, and though there have been many writeups of just how the vulnerability manifests itself, we felt the ne
Keywords: answer dns nameserver net query
Find related items on AmazonPublished on: 2025-07-05 22:54:37
Steve Friedl's Unixwiz.net Tech Tips An Illustrated Guide to the Kaminsky DNS Vulnerability The big security news of Summer 2008 has been Dan Kaminsky's discovery of a serious vulnerability in DNS. This vulnerability could allow an attacker to redirect network clients to alternate servers of his own choosing, presumably for ill ends. This all led to a mad dash to patch DNS servers worldwide, and though there have been many writeups of just how the vulnerability manifests itself, we felt the ne
Keywords: answer dns nameserver net query
Find related items on AmazonPublished on: 2025-07-14 17:55:26
Golioth recently received a number of customer reports regarding connectivity issues on a specific vendor’s cellular chipset series. We immediately contacted the vendor and began working towards reproducing and isolating the behavior. What ensued was a lengthy investigation that ultimately revealed some unexpected and highly undesirable behavior. This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see. We previously pos
Keywords: 00 dns eps lte protocol
Find related items on AmazonPublished on: 2025-07-15 11:17:00
Microsoft has fixed an issue that caused Entra ID DNS authentication failures when using the company's Seamless SSO and Microsoft Entra Connect Sync. In an update to its Azure status page, Microsoft says these problems were caused by a recent DNS change that triggered DNS resolution failures for the autologon.microsoftazuread.sso.com domain when customers tried to access Azure services between 17:18 UTC and 18:35 UTC on February 25, 2025. "What do we know so far? As part of a cleanup effort to
Keywords: azure caused dns failures microsoft
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