Stamen Toner not works inPoland on zoom 19 or higher

[BartoszJuda]

Stamen Toner gives 503 Service Unavailable on zoom 19 or higher (20, 21 etc). Look at the attached screen.

GET | https://stamen-tiles-c.a.ssl.fastly.net/toner/20/579724/354446.png

scheme	https
host	stamen-tiles-c.a.ssl.fastly.net
filename	/toner/20/579724/354446.png
Adres	126.179.0.206:9090

scheme https host stamen-tiles-c.a.ssl.fastly.net filename /toner/20/579724/354446.png Adres 126.179.0.206:9090 Stan503 Service Unavailable WersjaHTTP/1.1 Przesłano423 B (o rozmiarze 19 B) Zasada polecającegostrict-origin-when-cross-origin

Accept-Ranges
bytes
Connection
keep-alive
Content-Length
19
Content-Type
text/plain
Date
Mon, 21 Mar 2022 12:19:41 GMT
Fastly-Restarts
1
Server
Cowboy
Via
1.1 vegur, 1.1 varnish, 1.1 varnish
X-Cache
MISS, MISS
X-Cache-Hits
0, 0
X-Response-Time
2ms
X-Served-By
cache-iad-kjyo7100103-IAD, cache-hhn4074-HHN
X-Timer
S1647865181.473533,VS0,VE221

Accept
image/webp,/
Accept-Encoding
gzip, deflate, br
Accept-Language
pl,en-US;q=0.7,en;q=0.3
Connection
keep-alive
DNT
1
Host
stamen-tiles-c.a.ssl.fastly.net
Referer
https://leaflet-extras.github.io/
Sec-Fetch-Dest
image
Sec-Fetch-Mode
no-cors
Sec-Fetch-Site
cross-site
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0