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Built on Shards of Silicon: Robert Alexander's Tech Blog

alexsci.com/blog

A personal blog featuring nuanced deep dives into #Tech, #Security, and the #Cloud

SecurityNetworkingWeb development

’23’24’25’26
Posts
30 from 1 Apr 2023 to 29 Oct 2026
Posting
monthly (10 in the last year)
Kind
personal blog
Feed
https://alexsci.com/blog/rss.xml

2026 8

  1. Preparing to change the clocks
  2. UUIDv7 doesn't have the properties you think it does
  3. Misconceptions about RSS
  4. How an HTTP header caused time.gov to skew from UTC
  5. This blog post tells the time
  6. GUID reuse in WordPress
  7. Uptime of GitHub Pages alternatives
  8. RSS feed discovery with FeedLand

2025 7

  1. Does the Internet know what time is it?
  2. Discovering the indieweb with calm tech
  3. Oops, my UUIDs collided!
  4. The UUID collection
  5. Why UUIDs won't protect your secrets
  6. The most popular email providers
  7. Choosing Vim over VSCode

2024 10

  1. MTA-STS Preload
  2. The next stage of getlocalcert.net
  3. Is email confidential in transit yet?
  4. TLDs with novel behavior
  5. SMTP Downgrade Attacks and MTA-STS
  6. One year of getlocalcert.net
  7. Moving to Hugo
  8. RSS Categories - In Practice
  9. RSS blogrolls are a federated social network
  10. Designing Personal Software

2023 5

  1. Certificate Authority Trustworthiness
  2. HSTS preload adoption and challenges
  3. A mental model for on-demand pricing
  4. Improving HTTPS on private networks
  5. have no effect