Is your station ready for hybrid radio?
RadioDNS lets connected car radios and receivers show your logo, name and stream. This free checker follows the same steps a receiver does and tells you, in plain English, what works and what to fix.
1 problem found
14 passed · 4 suggestions · 1 problems
What is being checked
- info: RadioDNS lookup name10050.549c.5a0.fm.radiodns.org (frequency 100.50 MHz, PI 549C, country code 5a0)
1. RadioDNS registration
- pass: Registered10050.549c.5a0.fm.radiodns.org points to the station's authoritative domain: kzzofm.radiodns.bonneville.com
2. Service discovery (SRV records)
- info: _radiospi._tcp.kzzofm.radiodns.bonneville.com: not published
- pass: _radioepg._tcp.kzzofm.radiodns.bonneville.com publishedpriority 1, weight 1, port 80 -> kzzofm.radiodns.bonneville.com
- warn: Only the older _radioepg record is publishedWhat to do: Add _radiospi._tcp.kzzofm.radiodns.bonneville.com on port 443 as well, so receivers that use HTTPS can find the SI file.
- info: _radiovis._tcp: not publishedSlideshow/visuals (STOMP) - optional, only needed for a live slideshow service.
- info: _radiopush._tcp: not publishedSlideshow/visuals (Server-Sent Events) - optional, only needed for a live slideshow service.
- info: _radiovis-http._tcp: not publishedSlideshow/visuals (HTTP) - optional, only needed for a live slideshow service.
3. Service Information file (SI.xml)
- pass: HTTP endpoint http://kzzofm.radiodns.bonneville.com/radiodns/spi/3.1/SI.xml answered6 ms, 7,055 bytes
- pass: Content type is text/xmlAccepted. (RadioDNS's own guide shows application/xml.)
- pass: SI file can be cached (1 hours)
- warn: The file does not strictly follow the official SI schema (3.1)line 62: Element 'bearer': This element is not expected.
line 98: Element 'bearer': This element is not expected.What to do: Many receivers are forgiving, but strict ones may ignore a file that does not match the schema. RadioDNS's SI tool (si.radiodns.org) can rebuild a correct file.
Guides: Make an SI file accessible (PDF) · Build an SI file with RadioDNS's tool
4. Your station in the file
- info: 2 services in the file
- pass: Station found: NOW 100.5Matched on bearer fm:5a0.549c.10050
- pass: Short name: NOW
- pass: Medium name: NOW 100.5
- pass: Long name: NOW 100.5
- pass: Short description presentToday's Best Hits!
- info: No long descriptionOptional (up to 1200 characters).
- info: No keywordsOptional.
- info: No linksOptional: a website or contact link.
- pass: The <radiodns> element matches the registrationfqdn kzzofm.radiodns.bonneville.com, service identifier kzzofm
5. Logos
- pass: All five standard logo sizes are listed
- warn: Logos are cached for only 900 secondsWhat to do: Use at least an hour; RadioDNS suggests about 24 hours for the SI file and longer for logos.
- fail: 2 of 6 logos have problemsSee the table below.What to do: Every logo URL must return a real PNG or JPEG of the declared size.
| Preview | Declared | Actual | Size | Result |
|---|---|---|---|---|
| 32x32 | 32x32 | 771 B | OK http://cdn.bonneville.cloud/i/KZZO-FM/square_32x32.jpg | |
| 112x32 | 112x25 | 2,031 B | real size differs from the declared 112x32 http://cdn.bonneville.cloud/i/KZZO-FM/custom_112x32.jpg | |
| 128x128 | 128x128 | 4,975 B | OK http://cdn.bonneville.cloud/i/KZZO-FM/square_128x128.jpg | |
| 320x240 | 320x71 | 8,752 B | real size differs from the declared 320x240 http://cdn.bonneville.cloud/i/KZZO-FM/custom_320x240.jpg | |
| 600x600 | 600x600 | 48,516 B | OK http://cdn.bonneville.cloud/i/KZZO-FM/square_600x600.jpg | |
| 1200x1200 | 1200x1200 | 139,788 B | 140 kB (under 50 kB recommended) http://cdn.bonneville.cloud/i/KZZO-FM/square_1200x1200.jpg |
6. Transmitters and streams
- warn: Stream OK: https://bonneville.cdnstream1.com/2614_48.aac?aw_0_1st.playerid=RadioDNSaudio/aacp, 48 kbps, offset 60000 ms
The file says audio/mpeg but the stream answers audio/aacp. - pass: Stream OK: https://bonneville.cdnstream1.com/2614_64.mp3?aw_0_1st.playerid=RadioDNSaudio/mpeg, 64 kbps, offset 60000 ms
- pass: FM bearer fm:5a0.549C.10050cost 90
- info: Other bearer: hd:292.0ffc9Not checked by this tool.
Check another station Link to this result Download as JSON
Checked 2026-10-21T12:27:21+00:00 (UTC) from the lookup name 10050.549c.5a0.fm.radiodns.org.
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