Hi all, relevant details are below. I prepared this as if I could engage with Vercel Support but apparently my plan doesn’t allow that. Any help or insight is greatly appreciated. This appears to be a bug triggered by toggling Deployment Protection. Has anyone experienced this before?
Subject: URGENT - SSL Certificate Not Being Served After 30+ Minutes
TIMELINE:
- 10:18 AM: Deployment Protection toggled off
- 10:20 AM: Site became inaccessible (SSL handshake fails)
- 11:34 AM: Refreshed nameservers at GoDaddy (switched to GoDaddy NS, then back to Vercel NS)
- 12:06 PM: Still not working (60+ minutes after nameserver refresh)
VERIFICATION:
Nameservers correct: ns1.vercel-dns.com, ns2.vercel-dns.com (verified via dig and Vercel CLI)
Certificates exist: cert_encrypted, cert_encrypted
Deployment works
Custom domain SSL: FAILS with “error:0A000126:SSL routines::unexpected eof while reading”
TECHNICAL DETAILS:
$ curl -I redacted
curl: (35) error:0A000126:SSL routines::unexpected eof while reading
$ openssl s_client -connect redacted
no peer certificate available
$ vercel domains inspect redacted
Nameservers: ns1.vercel-dns.com 
, ns2.vercel-dns.com
Edge Network: yes
IMPACT:
Production site completely inaccessible for 2+ hours. Business is down.
REQUEST:
Please immediately investigate and force SSL certificate deployment to edge network customers domain.
This appears to be a bug triggered by toggling Deployment Protection.