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Holy Whois, Batman! Beware Phony Domain Registrants
If you’ve spent much time looking at domain records to hunt down or characterize cybercriminals, you have almost certainly encountered some clearly falsified domain registrations. We decided to have a little fun by digging into some (ahem) unlikely domain registrants showcased below, with some more serious points about domain registr... - Tuesday, November 25, 2014 - 13:14
Notes from the field: SecureWorld Seattle
SecureWorld puts on several shows throughout the year, but everyone says the Seattle show is “the one to be at.” And after attending our second straight SecureWorld Seattle conference, we thought we’d share with you a few notes on the event. DomainTools was well-represented with a new booth and an energetic delegation. There was no w... - Tuesday, November 18, 2014 - 20:3
Usability and Navigation Improvements to DomainTools Website
If you’ve visited DomainTools today, you might have noticed a few not-so-minor changes. We’ve spent some time recently improving the usability and ease in navigating our site. We focused on getting you to the tools and data you use with fewer clicks and less scrolling. Our most noticeable changes are the header and footer... - Wednesday, November 12, 2014 - 14:44
See you at SecureWorld!
If you’re in the Seattle area, and you’re attending SecureWorld in Bellevue, let us know! We’re excited to be participating in this event for a second year. The topics are spot on, the agenda and speakers look interesting, and it’s in our backyard…all great reasons for sending a big entourage to the even... - Thursday, November 6, 2014 - 14:17
Mining Domain Data to Predict Badness
We are freshly back from MIRcon 2014, the annual security show put on by Mandiant. MIRcon has become a significant cybersecurity trade event, with hundreds of participants from the private sector as well as government/military. Different tracks of presentations cover security R&D, management/policy, and incident response. Keynote... - Wednesday, October 15, 2014 - 14:28
Stars of Cybersecurity Rock Austin
The Institute of Electrical and Electronics Engineers, better known as IEEE, has developed a new series of shows with the theme of “Rock Stars.” These shows gather experts in the show’s topical area (Big Data, Mobile Cloud, Cybersecurity) for informational seminars and panel discussions, along with informal networking opportunities. ... - Wednesday, October 1, 2014 - 0:13
System Patches for Shellshock
Yesterday, a new vulnerability, now named Shellshock, was exposed in a program named bash. This program is present on most Unix/Linux systems including OS X. You can learn more about this vulnerability in Everything you need to know about the Shellshock Bash bug and Peter Whittaker’s helpful management briefing. Our systems adm... - Thursday, September 25, 2014 - 14:26
Big Data and Cyber Threat Intelligence
There has always been a lively–and very relevant–debate in security circles about where and how to expend resources, be they cash, personnel or attention. Budgets are tight and we have not yet found a holistic and bullet-proof solution to stopping hackers and malware from getting into our systems. (Nor will we as long as ... - Monday, September 22, 2014 - 15:2
Cisco Spots, Snags Spoofing Spammer
Spammers are wily, but guess what? So are the good folks fighting this digital scourge. In a recent blog post, the Talos team from Sourcefire (now part of Cisco) documents a recent successful investigation of a spammer. The article focuses on the rather arcane crime of IP hijacking, but the hijacking in this case is really […] - Friday, September 19, 2014 - 13:45
DomainTools System Maintenance – September 21, 2014
At DomainTools, customer success through system availability and product performance is a top priority. Over the last 18 months, we have been upgrading our code, systems and infrastructure to ensure reliability and high performance with an ever increasing user base and data set. Sometimes this requires us to do things that impacts pr... - Friday, September 12, 2014 - 13:10
A New Look For Your Eye In The Sky: Enhancements to DomainTools Monitors
The Internet is an intensely dynamic place–the entities you investigate don’t remain frozen after your investigation completes! Thousands of domains are registered, change hands, change hosting, or are dropped every day, and it can be challenging to stay informed. DomainTools monitoring products can do the heavy lifting for you... - Friday, September 12, 2014 - 11:56
Beyond Whois, Part 3: Two Faces of Lucy
In the first two installments of this series (Beyond Whois: The Domain Profile and Beyond Whois: IP Addresses Tell Many Tales), we looked at how there are a lot of datapoints in the DomainTools database that go beyond Whois and DNS records to help you find elusive answers to domain ownership and the connections among […] - Wednesday, September 3, 2014 - 17:25
DomainTools Forges Industry Partnerships to Bring Powerful Solutions to Security Threat Investiga...
In a press release today, we made an announcement about our partnerships with Mandiant, Cyber Squared Inc. and Malformity Labs to help provide security analysts with more powerful threat intelligence and cybercrime investigation solutions. Through these integrations, investigators who rely on our unparalleled repository of DNS and Wh... - Tuesday, September 2, 2014 - 19:45
What’s better than the world’s best Whois data? The world’s best PARSED Whois data!
DomainTools has worked tirelessly to build the world’s best database of Whois records, with coverage spanning all of the ccTLDs and each new gTLD as it comes online—not to mention the “big six” TLDs: com, net, org, biz, info, and us. We believe we have reason to claim that our coverage is unparalleled. But now […] - Wednesday, August 20, 2014 - 12:31
Beyond Whois, Part 2: IP Addresses Tell Many Tales
In Part 1 of our Beyond Whois blog, we introduced the concept of the Domain Profile, the set of datapoints that DomainTools returns in a Whois lookup. The Domain Profile gives a wealth of information that is not contained in the actual Whois record for a domain, so using DomainTools gives you an investigative starting […] - Monday, August 4, 2014 - 13:47
Bellweather or Anomaly? The Rise and (Apparent) Fall of .PW
There’s been a lot of speculation about how domain registrations will take off (or not) in the new gTLDs that are rapidly coming online. Last year we covered the growth of .PW roughly one month after launch; this commercial re-launch of the ccTLD for Palau was watched closely because many felt it might predict customer […] - Thursday, July 24, 2014 - 12:27
Beyond Whois: DomainTools Domain Profile
Official ownership records are valuable and can often tell interesting tales about the goods–physical or digital–that they cover. However, ownership records only go so far, as anyone who has used a commercial vehicle history report knows! Getting beyond the basics of registration data can make a world of difference for pr... - Friday, July 18, 2014 - 14:5
Visualizing DomainTools Data with Maltego
Today, we’re announcing the availability of a Maltego transform server that makes it incredibly easy to visualize the relationships among domains, registrants, IP addresses and all DomainTools data. This service, provided by a partnership with Malformity, already incorporates DomainTools’ extensive database into the Maltego transform... - Tuesday, July 1, 2014 - 12:37
The Funniest New Feature We Didn’t Implement
Our friends at have a wry finger on the pulse of the domain industry. In celebration of the birthday of Ammar Kubba, DomainTools board member, we didn’t put Ammar’s handsome mug in the place of our “gear” logo as they portray. But it’s got us thinking about it… Happy birthday, Ammar!... - Wednesday, June 25, 2014 - 19:0
DomainTools System Maintenance – June 29, 2014
At DomainTools, customer success through system availability and product performance is a top priority. We are constantly improving our code, systems and infrastructure to ensure reliability and high performance with an ever increasing user base and data set. Sometimes this requires us to do things that may impact product performance... - Tuesday, June 24, 2014 - 9:23

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