Does a record like that negate a DMARC policy and allow spoofing? Here’s the information I’m going off of: t — testing mode (‘y’ means that this domain is testing DomainKeys so unsigned and unverifiable email should not be treated differently from verified email. Recipient systems may wish to track testing mode results to assist … Read More “Our email is being spoofed, should I be worried about a TXT record with name=_domainkey and value=”t=y; o=~;”?” »

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Specifically, I’m looking for where https://caraph.tk used to point to as of 22-24 hours ago. I’m a developer and it was being used for a phishing attack against me (and others), and I was studying it for fun. I reported the domain abuse to the registrar, expecting that to go nowhere or take weeks, and … Read More “Is there a way to find where a public DNS used to point to for a URL?” »

Hey friends, I am worried about messing things up so wanted your input. I have email (O365) and domain purchased through GoDaddy. I signed up for CloudFlare and they need me to replace GoDaddys nameservers with theirs. To ensure that email does not stop flowing correctly, do I just need to make sure MX, TXT, … Read More “Want to set nameservers to CloudFlare, but worried about messing email up” »

Background: For the sake of a simple description, say I have two systems on my home network: – serverSystem – clientSystem ​ I have a domain that I use to reach my home network while away. Assume I use mysystem.mydomain.com to reach my home network (I have ssh & other services configured with the proper … Read More “Is this a DNS issue? Please help!” »

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For example if I run dig google.com +trace google.com. 172800 IN NS ns2.google.com. google.com. 172800 IN NS ns1.google.com. google.com. 172800 IN NS ns3.google.com. google.com. 172800 IN NS ns4.google.com. ;; Received 836 bytes from 192.41.162.30#53(l.gtld-servers.net) in 24 ms I can see that the .com TLD zone doesnt have an A record for google.com, so it must … Read More “Is this how you distinguish zones when querying name servers?” »

I have 2 internal networks, my default network (192.168.5.0/24), and a limited network that enables access to some servers when connected to my vpn (192.168.10.0/24). The servers that are accessible via a vpn connection are always connected to bother networks, and the last octet of their IP address is the same for both the ‘5’ … Read More “Is wildcard split-horizon routing possible?” »

Have been using this service for almost a year now. Everything has been working fine except for this week. Some urls aren’t showing up in the “total unique domains” area on some devices. I’ve deleted and re-entered the dns addresses and still nothing. It’s capturing domains on other devices except for an iPad Air. Any … Read More “OpenDNS Home VIP help…” »

I deployed a dns server under windows server 2019, the server has two network interfaces, one.interface for management used only by the it team for remote access and a second interface for dns requests and clients requests. Now both NICs respond to dns queries, I want the NIC that responds to dns queries and requests. … Read More “disble card network for dns request” »