Information about DNS and network
Hi, I am looking for a tool to conduct a stress test on my DNS server. Preferably, those who can multi-thread. I have tried queryperf (only supports single thread) and querperfpp (which I cannot run on my setup) Thank you guys submitted by /u/Teker1no [link] [comments] Powered by WPeMatico
submitted by /u/JameswDemps [link] [comments] Powered by WPeMatico
The fundamental security vulnerabilities of certificate authorities — exploited by Flame (Windows) and the notorious iPhone hack — have all been solved decades ago (eg web of trust, among countless other solutions.) When the first few solutions were proposed, I can understand that not everything would be fixed instantly, nor even in the next few … Read More “How to auto-reject updates from a different CA than the domain was last updated by?” »
I just tried going to finance.yahoo.com and the page wasn’t loading. I know that when this happens I need to “resolvectl query <site>” to see if it’s because of DNSSEC since I have my “DNSEC=yes” for my systemd-resolved. In this case it returned with: finance.yahoo.com: resolve call failed: DNSSEC validation failed: failed-auxiliary While looking online … Read More “Broken Yahoo/Verisign DNSSEC?” »
Pretty much title. For example if i run “nslookup www.reddit.com” it returns something like Non-authoritative answer: www.reddit.com canonical name = reddit.map.fastly.net. Name: reddit.map.fastly.net Address: 151.101.85.140 However if i try changing this to “nslookup 151.101.85.140” it returns ** server can’t find 140.85.101.151.in-addr.arpa: NXDOMAIN How does this happen. I assumed if the site was known by the … Read More “Why doesn’t reverse lookup always work?” »
Hello! I’ve recently started taking Netoworking Classes and now we have DNS. I’d say I understood the whole thing except what DNS Zones are. I have absolutely no Clue. I’ve tried watching a couple Videos but it just complicated Matters. Can anyone recommend a Platform or briefly explain what they are?Kind Regards submitted by /u/FujiwaraChoki … Read More “What are DNS Zones?” »
Users in our company have 2 emails in their Outlook 2016 client, CompanyA.com (Us) and CompanyB.com ( Parent Company) For some reason when we change the password for CompanyB.com, our Outlook clients pop up the login window as a blank window because I presume it’s attempting to contact the CompanyB.com domain that we have a … Read More “Split DNS issue” »
I try my best to be an extreme perfectionist when it comes to tech, net and cybersec. Learned about https://dns.google.com/ … and it spits out that my site has AD = false. I’ve found some old post here which taught me it means Authentic Data. I quote: “indicates the resolver believes the responses to be … Read More “Google DNS Authentic Data” »
We have dual ipv4 and ipv6 compute devices and both are reachable . One secondary dns server gets ipv6 traffic logged and the primary master appears to get little ipv6 action. It is running the same script to report on both and it parses the bind security log – however apart from native glue records … Read More “bind9 ipv6 server oddities – glue issues ?” »
submitted by /u/Mcnst [link] [comments] Powered by WPeMatico