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Questions tagged [dns-domain]

A domain name is an identification string that defines a realm of administrative autonomy, authority, or control on the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Technically, any name registered in the DNS is a domain name.

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Why are there no browser feature or extension to only check the domain and username to prevent phishing?

One of the recommendations to prevent phishing using look-alike domain names (like www.google.com.phishing.org or IDN homograph attacks) is to use a password manager or a physical security token like ...
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0answers
26 views

DNS objects in Maltego

I don't understand what is a DNS object in Maltego. I know what is the NS and MX information related to a Domain. However, "to DNS Name [Robtex]" transform gives me many DNS Objects and I don't know ...
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29 views

How can I find the publick key length of a dnssec public key

I have generated a DNS public-key (as far as I recall it is an rSA key). Given the key (ZSK and KSK), how can I figure our its length? how can I make sure it is RSA or another type? For example, this ...
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1answer
27 views

Whois History resources authentic source

I have couple of doubts related to Whois records. For a particulate domain... How authentic are the Whois records? As per my research the records are not permissible in courts (or at least would ...
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0answers
68 views

Azure SQL Database and corporate networks

I have question around DLP from a corporate network. I have a Virtual Machine on a corporate network. The VM can access an Azure SQL DB in the cloud: aaa.database.windows.net However, I don't want ...
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1answer
62 views

Can a domain name be trusted?

I'm in need of some distributed processing, the cheapest way for me to get that processing power is renting some dedicated servers from a company with specialized hardware for this. The servers that ...
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1answer
114 views

What is this phishing technique called using subdomains

I'm writing a blog post analyzing a list of phishing domains and I'm coming across a lot of IDN homograph attack domains and these "subdomain attack domains" but I cannot find the technical/good way ...
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1answer
58 views

Is there any security reason to prefer local IP address over zeroconf “.local” domain name?

I have some Linux servers on my local network. When I connect to them via SSH or VNC, I can either use the local 10.0.x.x IP address my router assigns, or I can use the zeroconf "hostname.local" ...
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0answers
79 views

Finding phishing sites to certain domain

My work currently involve finding phishing site to a certain domain/ company. I was wondering if there are some tools/ Online services that I can use to find phishing sites. I would like to know; ...
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1answer
122 views

Authoritative DNS server resolve also any other domain - Is that a risk?

In my organization (huge financial institute) there are 4 ns servers that are defined by NS DNS record to be the authoritative DNS servers of all of our public websites. However, I found that those ...
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0answers
50 views

How to tell if my hosting data is valid or a fake copy

I'm investigating an issue where we have consistent performance issues with our company web host and bad statistcs data in our hosting console. Our hosting provider console says our IP address is one ...
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1answer
210 views

Why some applications host the API in a different domain?

I have seen a trend of applications moving their APIs to other domains (from api.application.com to api.applicationapi.com). Two examples: 3.basecampapi.com and api.dropboxapi.com Is there a ...
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1answer
83 views

DNSSEC - does the domain owner owns a key?

The purpose of DNSSEC is to prevent some attacks like cache poisoning so a client can be sure that the answer it gets from a recursive DNS server are correct (the IP is the correct IP). The root DNS ...
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2answers
95 views

What is the rationale of binding SSL certificates to a domain name? [duplicate]

As I understand them, SSL certificates contain a domain name, a public key and the giving CA. Why is it important to include a domain name? Why isn't it enough that the CA considers the public key as ...
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3answers
161 views

Why can I access a website using its domain name but I cannot when using its IP address directly? [closed]

For my target domain e.g. www.domain.com I find the ip address with ping command but if I browse directly the ip address I obtain an error page. How is it possible? I know that problably the service ...
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1answer
162 views

Where is payload reside in a DNS frame when tunneling? [closed]

Can anyone explain me about DNS tunneling? where the TCP/IP packet or payload data injected in a DNS frame? How data get decapsulated in the server side? Explain DNS frame?
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4answers
3k views

Unauthorized domain comes up as my website [duplicate]

While checking my website's traffic, I found a referring website that had sent over 400 visits to my site. When I clicked on the URL of the referring website, the site looked almost exactly like my ...
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3answers
71 views

Securing Domain Names for Resell [closed]

Is there any reason to why there cannot be a rule/law that prohibits the securing of domain names for resale? E.g A new acquired domain must have a running website within say 1 year or 6 months ...
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1answer
79 views

How are hackers able to plant Phishing URLs in existing websites? [closed]

As the question says, How are hackers able to plant Phishing URLs in existing websites? And can it be detected?
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1answer
83 views

How can I verify ownership of a domain

I'm working on a web service. I need a way to verify a user owns a domain they attempt to use in the service. How can I verify when a user attempts to add a domain to the service that they own the ...
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2answers
438 views

How can Cloudflare determine the owner of a website?

Assume that we have two websites with two different owners. Both of them set their domain name server to john.ns.cloudflare.com and joly.ns.cloudflare.com. The first owner set both domains in his ...
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2answers
110 views

Should entire domains always be blacklisted?

I'm working on a team for an enterprise network security product and we're implementing white/blacklisting as part of the program. We have lists that were taken from a third-party source but nobody ...
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0answers
51 views

DGA scheme on local network [closed]

Reviewing DNS logs within my company I've found a lot of weird DNS requests from a machine involving what it seems a DGA scheme as shown below (real IP has been obfuscated): 04/07/2017 13:36:47 12C8 ...
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1answer
736 views

Subdomain takeover due to improper records

INTRO On hackerone I see a few people writing reports on subdomain takeover due to improper records (CNAME I believe). I want to learn this 'skill' too. QUESTION I found a snapchat (sc-cdn.net) ...
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3answers
2k views

How does Malware use Unregistered Domains

I just finished reading that the WannaDecryptor malware was querying an unregistered domain. I thought it was connecting to its command and control server. Is this correct? It is my understanding ...
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1answer
242 views

What is the effect on a domain when the secondary name server is compromised?

I've heard of a case wherein the domain name of the secondary name server was expired and free to register. Let's say example.com has two registered nameservers: example-ns1.com (primary) example-...
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0answers
99 views

XSS security concerns from untrusted parent domains

There's lots of discussion about protecting content on example.com from user controlled content on subdomain.example.com (e.g. Github pages). What are the risks the other way around? If my content is ...
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1answer
63 views

Is there any point in activating domain privacy after the fact?

If I have a domain name that does not have privacy protection enabled, is there any point in enabling it now? Or is it useless once the information is out there? I'm asking this because I'm aware that ...
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1answer
549 views

DNS Tunneling - Mitigation

I believe the root cause for DNS tunneling is because the internal hosts are allowed to do recursive queries of external domains. For DNS tunneling to work, an internal host should be able to send ...
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1answer
261 views

Cant access most websites using a fake AP created by aircrack-ng suite

The question , Setting up a fake AP - problem with iptables and DNS server , I posted before was answered and fixed, to not confuse people looking for the same problem in the future I wanted to post a ...
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1answer
52 views

Information security point of view when registering a domain and chosing a TLD

How much does the choice of the domain registrar and the TLD impact the security of my information? I've learned that some registrars will require more personal information than others. I even had a ...
2
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0answers
380 views

How can I check if a domain is malicious? [closed]

I have started to look for domain names inside my traffic. So I am interested to identify which one is malicious or doing some malicious acitivites. I know by looking at online web-services such as ...
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2answers
1k views

What problem does DNSSEC solve?

I have read through the questions tagged DNSSEC on this site, and over the years you hear statistics about DNSSEC adoption and about organizations enabling it on their domains... but nobody mentions ...
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1answer
121 views

How DNS blacklisting works?

Let's say we have this network setup: PC > Firewall > DNS Server I was under the impression that the PC would attempt to access the DNS server but the firewall would instantly block the request ...
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1answer
1k views

import list of domains into recon-ng

Is there a way to add domains into recon-ng from a text file (newline delimited)? I've tried comma delimiting entries but reco-ng takes the comma as part of the domain. At the moment I am doing: for ...
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1answer
402 views

DC server integrated with DNS trying to contact Blacklisted DNS hostname

Need some help in understanding below attack. The below logs are extracted from the firewall and i could see a outbound connection from ldap server to 194.169.218.42. But walking through the logs(...
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3answers
104 views

Can an authoritative DNS server tell who is trying to resolve a domain name?

Let's assume my domain example.com has ns1 record pointed to a random IP address 192.0.2.111. When somebody tries to resolve example.com, can the dns server at 192.0.2.111 see what IP is trying to ...
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1answer
104 views

How come domain resolves to another IP?

I tried to ping http://crashsafari.com in my CMD: Right there, it resolves http://crashsafari.com to 54.231.48.170 which is http://s3-website-us-east-1.amazonaws.com. But, http://crashsafari.com ...
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1answer
133 views

How can I contract an email tracking service and be silent about it?

I use a customized e-mail and my web-master, who is also the domain owner, doesn't allow me to see the settings that the DNS provides. Some DNS services provide, beside domain name registration, ...
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0answers
573 views

When connection is slow, all sites provide certificate for same domain name

My home connection is sometimes very slow - or non-existent at all. I have not found the cause of the problem yet. Generally, rebooting the router works. Sometimes, when the connection becomes slow, ...
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1answer
6k views

Why am I receiving HTTP GETs for a domain I don't own?

I am running a Centos7 web server. I noticed a few strange HTTP GET requests like these: 94.185.83.100 - - [29/Feb/2016:23:29:00 +0530] "GET http://testp1.piwo.pila.pl/testproxy.php HTTP/1.1" 404 390 ...
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2answers
181 views

How do web hosts know you own your domain?

Let's say I registered a domain on Namecheap and want DigitalOcean to be my host. This can be achieved by first setting the nameservers to DigitalOcean in Namecheap's backend: Second, we add some NS ...
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1answer
172 views

How does the “Privacy Protection” option from domain names registrars work?

Some domain names registrars are offering a "Privacy Protection" option to hide your registrant details. Your whois infos will then refer to the "privacy company" providing this service instead of the ...
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2answers
3k views

Did scammers take control of a subdomain to host phishing site?

This morning I received a text message (ostensibly) from my bank: We need to contact you. Please visit https://paymentassistance.nationwide.co.uk for more information My spidey sense immediately ...
6
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2answers
653 views

Could a stolen certificate show as trusted?

I have recently started learning about PKI and have the following question/s. As far as I know a signed certificate contains the domain name of the server that the certificate will be placed upon. ...
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1answer
948 views

What are the real risks of enabling unsecure DNS updates on Active Directory intranet domain?

Based on my current research, enabling the unsecure DNS updates is a requirement for enabling DHCP Linux clients from registering their names with a FQDN. While this works fine for Windows machines ...
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0answers
216 views

How bad is it to configure a public webhook service to use the server’s farm private dns server?

For those who ignore it, webhooks is a service that you configure with a web interface for sending post http requests to a configured url. Those services are sometimes offered by public sites like ...
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1answer
113 views

Are there still some ssl domains containing the nul character for testing purposes?

Some years ago, there was a bug with host name checking in ssl so that connection towww.paypal.com%00.thoughtcrime.orgwould look aswww.paypal.comat the certificate level. The issue seems to be over ...
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1answer
77 views

How does a Registrar/Domain Lock increase security?

I have all of my domains locked, so that they cannot be transferred without first unlocking. However, I can't think of any scenario where this lock increases security. In order to transfer, one must ...
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2answers
86 views

Validate API caller domain (or any other related solution)

I am quite new to creating services using PHP-cURL. I want to offer some data/service to only registered domains. I know that I can identify these domains using app ID and API keys for data encryption....