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

16 passed · 4 suggestions · 1 problems

What is being checked

info: RadioDNS lookup name
09370.8d53.8a0.fm.radiodns.org (frequency 93.70 MHz, PI 8D53, country code 8a0)

1. RadioDNS registration

pass: Registered
09370.8d53.8a0.fm.radiodns.org points to the station's authoritative domain: rdns.aiir.net

2. Service discovery (SRV records)

info: _radiospi._tcp.rdns.aiir.net: not published
pass: _radioepg._tcp.rdns.aiir.net published
priority 0, weight 100, port 80 -> epg.aiir.net
warn: Only the older _radioepg record is published
What to do: Add _radiospi._tcp.rdns.aiir.net on port 443 as well, so receivers that use HTTPS can find the SI file.
info: _radiovis._tcp: not published
Slideshow/visuals (STOMP) - optional, only needed for a live slideshow service.
info: _radiopush._tcp: not published
Slideshow/visuals (Server-Sent Events) - optional, only needed for a live slideshow service.
info: _radiovis-http._tcp: not published
Slideshow/visuals (HTTP) - optional, only needed for a live slideshow service.

3. Service Information file (SI.xml)

pass: HTTP endpoint http://epg.aiir.net/radiodns/spi/3.1/SI.xml answered
12 ms, 865,960 bytes
pass: Content type is application/xml
pass: SI file can be cached (1 hours)
warn: The file does not strictly follow the official SI schema (3.1)
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
line 2: Element 'mediaDescription': This element is not expected. Expected is one of ( keywords, link, bearer, radiodns, geolocation, serviceGroupMember, ##other* ).
(534 more not shown)
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: 536 services in the file
pass: Station found: WVLZ
Matched on bearer fm:8a0.8d53.09370
pass: Short name: WVLZ
pass: Medium name: WVLZ
pass: Long name: 93.7 WVLZ
pass: Short description present
93.7 WVLZ | Knoxville's Rock Station
pass: Long description present
93.7 WVLZ
pass: Keywords present
93.7 WVLZ
pass: 2 links
website http://www.937wvlz.com
Request Line tel:8655009393
pass: The <radiodns> element matches the registration
fqdn rdns.aiir.net, service identifier s3751

5. Logos

warn: Not all five standard logo sizes are listed
Missing: 32x32, 112x32, 128x128
What to do: RadioDNS asks for either no logos or at least the five standard sizes, so every receiver finds one that fits.
pass: Logos can be cached (365 days)
fail: 1 of 5 logos have problems
See the table below.
What to do: Every logo URL must return a real PNG or JPEG of the declared size.

Declared	Actual	Size	Result
600x600	600x600	68,712 B	69 kB (under 50 kB recommended) https://mmo.aiircdn.com/186/67abb9760f919.png
320x240	320x240	29,830 B	OK https://mmo.aiircdn.com/186/67abb97672299.png
?	32x32	1,243 B	OK https://mmo.aiircdn.com/186/67abb9755fca5.png
112x112	128x128	9,334 B	real size differs from the declared 112x112 https://mmo.aiircdn.com/186/67abb97602f16.png
?	112x32	2,388 B	OK https://mmo.aiircdn.com/186/67abb9755f7e2.png

6. Transmitters and streams

pass: FM bearer fm:8a0.8d53.09370
cost 1, offset 0 ms
warn: Stream OK: https://stream.radiojar.com/p8107tpu6k8uv
audio/aac, offset 0 ms
The file says audio/aacp but the stream answers audio/aac.

Check another station Link to this result Download as JSON

Checked 2026-10-16T14:46:06+00:00 (UTC) from the lookup name 09370.8d53.8a0.fm.radiodns.org.

Want this set up and kept running for you?

Nexus Broadcast hosts RadioDNS for FM stations: your station information, your logos, the registration request and monitoring, so you do not run any servers. See the hosted RadioDNS plans and prices.