Information about DNS and network
Since I’m learning about how DNS and other web stuff works currently, I’m interested to know why www is a common standard subdomain for websites. For example, if you were to go to apple.com, it would redirect to www.apple.com. What’s the point of this? I also apparently made the mistake of doing this backwards where … Read More “Why is the www subdomain a common standard?” »
I’m going to try and anonymise this if possible, but I’ve got a dynamic DNS service running for my ASUS home router – since my ISP assigns me a dynamic IP. Let’s called the dynamicDNS service: test.asuscomm.com Now I’ve registered a domain, let’s call it, example.co.uk and the DNS records are as such that it … Read More “when I drop the www from my domain -it does not work… CNAME record?” »
Hey everyone I was reading a few notes on SOA and I’m stuck in my understanding. Originally I’ve always set the MNAME to the master, because my understanding is that it would trigger all the notify and transfer mechanisms. The slaves will check master for serials, refresh etc. https://datatracker.ietf.org/doc/html/rfc6781#section-4.4 The SOA fields REFRESH, RETRY, and … Read More “Hidden Master SOA” »
My active directory domain name and external website domain name is the same. In the past, including www in the URL would allow me to reach the external site, but not anymore after switching hosting providers. Now, I am only able to reach the Windows Remote Web Access page. What DNS records should be in … Read More “AD Domain and External Site” »
Good Morning all I am in the process of enabling DNSSEC on our DNS servers I am a bit stuck though with publishing the DS records In my powerdns system i run pdnsutil show-zone and it gives me a CSK DNSKEY = mydomain.com (some data) ECDSAP256SHA256 and then another three DS = mydomain.com (some … Read More “DNSSEC DS records” »
Hey guys, I run an upgrade from Ubuntu 16.04 to Ubuntu 18.04 and Bind9 doesn’t start with the error below could not configure root hints from ‘root.cache’: file not found loading configuration: file not found exiting (due to fatal error) root.cache file is under /var/named/root.cache. In the named.conf.local file I have this entry zone “.” … Read More “Bind9 root.cache not found” »
Hi Everyone, I am planning to enable dns debugging on my organisation to start ingesting DNS logs into SIEM but it team are worried of dns debugging volume which could affect the AD performance. However the ADs are running with high resources, so what debugging settings should I enable first to have the best logs … Read More “Dns Debugging Settings” »
Microsoft environment with internal MS dns servers. The internal domain is the same as the external domain (decision made many years before I got here). New internal machines can’t resolve the web page example.com (the company domain) until they have loaded www.example.com once – after they have accessed www. that first time they can access … Read More “Example.com not found by lan machines until www.example.com is loaded once” »
Hi! I run unbound on my server/router where I simply forward all queries to my ISPs name servers. I have noticed a weird issue (for me at least) where unbound suddenly is unable to resolve a random domain (returns SERVFAIL) for like 10-20 minutes and then starts working again. This is an example from earlier … Read More “Unbound is unable to resolve domain for a couple of minutes” »
I recently cancled my clickfunnels account, and changed the ip in cloudflare to my new host. My domain.com works fine, but the www.domain.com goes to clickfunnels still. No matter WHAT I do this is continuing. I flushed the cloudflare cache and there IS absolutely a www A name entry. submitted by /u/linuxman1929 [link] [comments] Powered … Read More “Clickfunnels taking over www.domain.com DNS for my domain, Cloudflare doesnt work.” »