URL Inspection: https://qingqi.dev

Open Cached · just now

DOWN

HTTP Status

429

Ping

1 ms

Technologies

Issued By

C=US, O=Let's Encrypt, CN=R13

Security Score

75 /100

View DNS Records

76.76.21.21 • AS16509 • Amazon

CDN	Vercel https://vercel.com
Evidence: • Header Server: Vercel

DNS Provider	Google DNS https://dns.google
Evidence: • Nameserver: ns-cloud-a1.googledomains.com • Nameserver: ns-cloud-a2.googledomains.com • Nameserver: ns-cloud-a3.googledomains.com • Nameserver: ns-cloud-a4.googledomains.com

Email Provider	iCloud Mail https://www.icloud.com
Evidence: • MX: mx02.mail.icloud.com • MX: mx01.mail.icloud.com

Hosting Provider	Amazon https://aws.amazon.com
Evidence: • IP 76.76.21.21 → ASN 16509

Title

Vercel Security Checkpoint

Language

Viewport

width=device-width, initial-scale=1

Inspected on November 17, 2025 at 17:54 UTC