Information about DNS and network
Hello guys I really need some help. My current DNS zone file looks like this: @ 10800 IN A xxx.xxx.xxx.xxx blog 10800 IN CNAME blogs.vip.gandi.net. imap 10800 IN CNAME access.mail.gandi.net. pop 10800 IN CNAME access.mail.gandi.net. smtp 10800 IN CNAME relay.mail.gandi.net. webmail 10800 IN CNAME webmail.gandi.net. www 10800 IN CNAME gpaas1.dc2.gandi.net. @ 10800 IN MX 50 … Read More “DNS-Nooby here. Need help with setting up my DNS zone =(“ »
I’m servicing a client’s DNS, and I need to add a couple SRV records. But their DNS host only has A, TXT, CNAME, and MX as options. Before we go any further, telling me to go with another DNS host isn’t productive. It’s not my decision. I’ve called their support, but it goes directly to … Read More “Need to add an SRV record, but the DNS host doesn’t have that an an option.” »
I want to update my records from the command line with nsupdate, without allowing non secure updates. The way it was described to me, I could just edit the ACLs in the security tab for the zone or for the specific record. That – doesn’t seem to take effect. Nothing changed. Is there some sort … Read More “Secure Dynamic Update; Windows DNS; Linux Client” »
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Hello! I’m a newbie to DNS, and I was doing some research into the Dyn attack of October 2016 as a sort of learning case study. One thing that I noticed was that while Reddit was widely reported as being down, all the historical nameserver lookups I’ve done have AWS nameservers listed for reddit at … Read More “Dyn Attack Question!” »
DNS rookie here, I set up an AD domain as corp.domain.com on a windows server 2012r2 DC which I also want to use as DNS server. It created a forward lookup zone for the parent domain.com So the issue I have is that I can’t reach www.domain.com. How can I set this up correctly? I … Read More “External domain resolution” »
I recently implemented dmarc onto our Office365 environment. On occasion I see an email get blocked due to “dmarc=temperror” (error in processing during lookup of domain.example: DNS Timeout) Can anyone assist in troubleshooting this issue? Office365 with hybrid on-premise server DNS hosted by 3rd party TTL 1 hour, recommended by 3rd party submitted by /u/ItHurtzWhen-IP … Read More “DNS Timeout (dmarc)” »
I would just like a push in the right direction, as I am fairly new to networking.. especially DNS, and I did not create the original network. I think I’m going through a “is it dns? it cant be dns… its dns”. Basically, 10.0.0.0/24 -critical (works) 10.0.1.0/23 -clients (works) 10.0.2.0/24 -new subnet I can ping … Read More “Subnet wont translate FQDN or single-label names, sort-of works when using 8.8.8.8” »
Hello, I’m trying to make a local network for to make a phishing server so i can test my employees to see how IT mature they are. i have: 1 Windows 7 client 1 Mailserver (iRedMail) 1 DNS server (Bind9) 1 Phish server (Gophish) my dns server works fine within my linux devices but not … Read More “Help with records” »
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