zeno.fm

Readiness by lane

Green: zeno.fm. Thin bar: Audio & Music Streaming peer median.

Priority fixes for zeno.fm

Ordered by impact and by how common each practice is among peers.

1. Priority 1 · Harden

   DMARC policy enforces quarantine or reject

   Observed: The DMARC policy for zeno.fm was p=none, which asks receivers to take no action on failing mail.

   Why it matters: An enforcing DMARC policy helps receiving mail systems reject email that falsely claims to come from your domain, a common route for phishing your customers.

   What to do: Publish DMARC with p=none and a reporting address first, fix any legitimate senders that fail SPF or DKIM alignment, then move to quarantine and finally reject.

   38% of Audio & Music Streaming peers do this. Limit: Read from public DNS at the time of the check; records may have changed since.

   Guide: A Practical Website Health Check for Owners

2. Priority 2 · Harden

   Certificate lifetime of 100 days or less

   Observed: The certificate from Sectigo Limited had a 396-day validity period, longer than the 100-day maximum that applies from March 2027.

   What to do: Move to automated issuance and renewal now, while you still have time to test it.

   69% of Audio & Music Streaming peers do this.

   Guide: HTTPS and TLS Guide for Website Owners

3. Priority 3 · Accelerate

   HTTP/3 advertised

   Observed: The homepage did not advertise HTTP/3 through an Alt-Svc header.

   What to do: Turn on HTTP/3 at your CDN. Browsers fall back to HTTP/2 automatically, so the risk is low.

   31% of Audio & Music Streaming peers do this.

   Guide: CDN Guide for Website Owners

4. Priority 4 · Harden

   Content Security Policy present

   Observed: The homepage response did not include a Content-Security-Policy header.

   What to do: Start with Content-Security-Policy-Report-Only to see what would break, tighten the policy over a few weeks, then enforce it.

   18% of Audio & Music Streaming peers do this.

   Guide: Payment Security and PCI DSS: What Website Owners Need to Know

What zeno.fm already does well

Practices fewer than half of Audio & Music Streaming peers use.

• CAA records limit who can issue certificatesCAA limits issuance to comodoca.com, letsencrypt.org.13% of peers
• HSTS kept for at least a yearHSTS with a 365-day max-age covering subdomains.33% of peers
• Modern image formats in useWebP or AVIF images detected.34% of peers

What we saw

Homepage checked

https://zeno.fm/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

Sectigo, 396-day validity, expiring 2027-04-02

Platform or framework

Nuxt

DNS operators

Amazon Route 53

HSTS

max-age 365 days, includeSubDomains, preload

DMARC policy

p=none

Homepage HTML

266 KB, gzip

Images on homepage

9 (webp 12, avif 4, png 4, svg 1)

Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.

Stack and providers

Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.

All 31 checks

Select a gap for the method and fix. How each check works

Compare with other Audio & Music Streaming sites

• mixcloud.com78
• mychords.net78
• radiosaovivo.net79
• radioua.net79
• splice.com79

Audio & Music Streaming readiness benchmark