Domain · Tranco #24,867

century21.com

century21.com is ranked #24,867 among the world's most-visited sites (Tranco). It resolves to 3.17.224.221, hosted on ec2-3-17-224-221.us-east-2.compute.amazonaws.com, and presents a TLS certificate issued by Amazon.

HTTP 301

Tranco rank	#24,867
IPv4	3.17.224.221, 18.217.131.193
Hosting / reverse DNS	ec2-3-17-224-221.us-east-2.compute.amazonaws.com
Hosting network	AS16509 · AMAZON-02 - Amazon.com, Inc., US
Nameservers	ns-1443.awsdns-52.org, ns-1874.awsdns-42.co.uk, ns-387.awsdns-48.com, ns-629.awsdns-14.net
Mail servers (MX)	usb-smtp-inbound-1.mimecast.com (10), usb-smtp-inbound-2.mimecast.com (10)
HTTP status	301 → https://www.century21.com:443/
Web server	awselb/2.0
Detected tech	awselb/2.0
TLS certificate	Amazon · expires 2026-12-09

Linked company

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

Century21

Notable DNS TXT records

_globalsign-domain-verification=6GywlC8PVV6mLfL6ToMeVqCDeqFk9IDu2uEqmYPqx3
atlassian-domain-verification=VU7xgQiZZa3avZ4LTJOsUdMn6RqZi0eGbU3Dk4MSPmi12S6yFEvEh/I8tLFNxlcr
facebook-domain-verification=p4r7ai7hqlnbzcott0uq5nrayy9yec
google-site-verification=eC1QkIUk7oA0XpNCnb-3y0Dpua1xTDg1HtGv5D_wM-w
monday-com-verification=Vzp9M9wkXo140C0DRYV7ojmHp1rlhcE3dD23D45ox_s

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FAQ

What is the IP address of century21.com?

century21.com resolves to 3.17.224.221, 18.217.131.193 (ec2-3-17-224-221.us-east-2.compute.amazonaws.com).

Who issued the SSL certificate for century21.com?

The TLS/SSL certificate for century21.com was issued by Amazon, valid until 2026-12-09.

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