Summary
- HTTP status
- 200
- IP address
- 212.114.120.221, 2001:7b8:62b:1:0:d4ff:fe72:78dd
- ASN
- —
- Hosting provider
- —
- Country
- —
- Title
- Interdependent Thoughts – by Ton Zijlstra
- Description
- —
- Language
- en-us
- Server
- nginx/1.30.2 · PHP/8.3.31
- Generator
- WordPress 7.1.2
- Certificate
- ValidLet's Encrypt
- Sitemap
- Present
- Domain name
- zylstra.org
SSL/TLS certificate
The SSL/TLS certificate encrypts exchanges between visitors and the website (HTTPS) and proves its identity. It is issued by a certificate authority after a more or less thorough check: of the domain name only (DV), of the organization that owns it (OV), or extended validation (EV).
Free certificate issued by Let's Encrypt: valid for a few months, it is renewed automatically.
- Certificate authority
- Let's Encrypt (YR1)
- Validation type
- Domain validation (DV)
- Status
- Valid
- Covered domains
- *.zylstra.org, zylstra.org
- Valid from
- August 14, 2026
- Valid until
- November 12, 2026 (expires in 40 days)
- Protocol
- TLSv1.3
- Key
- RSA 2048 bits
Sitemap
A sitemap lists the pages of a website to help search engines discover them. It can have any name when it is declared in the robots.txt file.
The website has no robots.txt file: the usual locations were checked.
| File | Content | Last modified |
|---|---|---|
| https://www.zylstra.org/sitemap.xml | 1 page | — |
Redirects
- 301 https://zylstra.org/
- 200 https://www.zylstra.org/ — Final page
Outgoing links
The home page links to 38 other websites.
- activateintelligence.co.uk
- archive.org
- arstechnica.com
- baldurbjarnason.com
- benedikt.io
- calendly.com
- cencenelec.eu
- coe-dsc.nl
- europa.eu
- creativecommons.org
- roblen.at
- deimeke.net
- designmuseum.org
- wikipedia.org
- belgium.be
- eweek.com
- feedburner.com
- flickr.com
- swissdataalliance.ch
- geonovum.nl
- jeremycherfas.net
- osmfoundation.org
- keybase.io
- tgl.eu
- tzyl.eu
- tzyl.nl
- microblog.at
- notiz.blog
- noyb.eu
- nureinblog.at
- obsidian.md
- opendata.ch
- opendataconsulting.ch
- paypal.me
- signal.org
- thegreenland.eu
- demar.in
- wordpress.org