requested URL returned error: 503

[nx2i]

for the past day or so, any attempt to access deb.nodesource.com produces a 503 error. For example:
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
File '/etc/apt/keyrings/nodesource.gpg' exists. Overwrite? (y/N) curl: (22) The requested URL returned error: 503

I cannot even update the curent nodered packages I have.

The system: Buster running on a Pi 4 B

and btw:
dig deb.nodesource.com

; <<>> DiG 9.11.5-P4-5.1+deb10u9-Raspbian <<>> deb.nodesource.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10032
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;deb.nodesource.com. IN A

;; ANSWER SECTION:
deb.nodesource.com. 300 IN CNAME deb.nodesource.com.cdn.cloudflare.net.
deb.nodesource.com.cdn.cloudflare.net. 136 IN A 104.22.4.26
deb.nodesource.com.cdn.cloudflare.net. 136 IN A 104.22.5.26
deb.nodesource.com.cdn.cloudflare.net. 136 IN A 172.67.10.205

;; Query time: 34 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Sat Dec 09 10:04:47 EST 2023
;; MSG SIZE rcvd: 146