Domain · Tranco #669

optimizely.com

optimizely.com is ranked #669 among the world's most-visited sites (Tranco). It resolves to 216.150.16.193, hosted on Vercel, and presents a TLS certificate issued by Let's Encrypt.

HTTP 308

Tranco rank	#669
IPv4	216.150.16.193, 216.150.1.193
Hosting / reverse DNS	Vercel
Nameservers	doug.ns.cloudflare.com, harmony.ns.cloudflare.com
Mail servers (MX)	de-smtp-inbound-1.mimecast.com (10), de-smtp-inbound-2.mimecast.com (20)
HTTP status	308 → https://www.optimizely.com/
Web server	Vercel
Detected tech	Vercel
TLS certificate	Let's Encrypt · expires 2026-09-19

Linked company

This domain's name matches a legal entity in our directory:

OPTIMIZELY LTD

Notable DNS TXT records

anthropic-domain-verification-4gkavj=TJnFfngBQ8OlXRrgx0BEn6Jg8
apple-domain-verification=9Mq9EOa61FT430k8
apple-domain-verification=Q7KwgmChGjUIkAjJT8Su-e81y48GoIDKdrWJKZCflGI
browserstack-domain-verification=1ce32231-8d2e-47ff-a13f-b3313f9466b3
bugcrowd-verification=976ed661be12db673bc241ab9adedd78
carta-domain-verification-j5c0wv=PVHGuxCt3hpJ6mlHJnunPYJlm

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FAQ

What is the IP address of optimizely.com?

optimizely.com resolves to 216.150.16.193, 216.150.1.193 (Vercel).

Who issued the SSL certificate for optimizely.com?

The TLS/SSL certificate for optimizely.com was issued by Let's Encrypt, valid until 2026-09-19.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains