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The TXT Record

Visualizing the Hard-to-Visualize: DNS and SSL/TLS Cert Existence Over Time Using R Graphics

Monday, September 30, 2019 By Joe St Sauver

I. Introduction Understanding what's going on in DNS data (or in data from other potential sources) often involves time: to understand security data, we may need to understand when data was collected, when events happened, and when changes took place. That's why DNSDB supports time fencing, and why we've previously discussed analyzing DNS traffic volumes over time in previous blog articles: Finding Top FQDNs Per Day in DNSDB Export MTBL Files (Part 1), Volume-Over-Time Data...

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Crushing Monolithic Data Results ("Rock") Into "Gravel": dnsbq New -g Volume-Across-Time Option

Friday, September 27, 2019 By Joe St Sauver

Part 3 of a 3-Part Series on New DNSDB Search Features Using `dnsdbq`

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Getting More Results from DNSDB Using the New -O (Offset) Option

Tuesday, September 24, 2019 By Joe St Sauver

Part 2 of a 3-Part Series on New DNSDB Search Features Using `dnsdbq`

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Rejecting Spam and Unwanted Email with NOD and RPZ

Wednesday, September 18, 2019 By Jeremy C. Reed

Over a 3-day period, the NOD RPZ feed was used to reject 2,979 spam emails

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New DNSDB -V summarize option: Sometimes "Less" Is "More"

Tuesday, September 10, 2019 By Joe St Sauver

Part 1 of a 3-Part Series on New DNSDB Search Features Using `dnsdbq`

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