C21.com Residential Real Estate Listings - Homes for Sale by Real Estate Agents | CENTURY 21
Use CENTURY 21 to find real estate property listings, houses for sale, real estate agents, and a mortgage calculator. We can assist you with buying or...
Server IP address resolved: Yes
Http response code: 200
Response time: 1.00 sec.
Last Checked: 03/03/2023
Over the time c21.com has been ranked as high as 58,664 in the world, while most of its traffic comes from United States, where it reached as high as 96,519 position.
C21.com receives about 1,069 unique visitors and 1,604 pageviews per day. The estimated value of c21.com is 21,900 USD. Each unique visitor makes about 1.5 pageviews on average.
C21.com is registered under .COM top-level domain. Check other websites in .COM zone.
At the time of the last check (May 02, 2024) c21.com has an invalid SSL certificate.
According to Google Safe Browsing, Google Safe Search and Symantec c21.com is quite a safe domain.
Mobile-Friendly test indicates that c21.com is well optimized for mobile and tablet devices, however website page loading time could be improved.
Audience Geography. Where are c21.com visitors located?
| Country | Rank |
|---|---|
 United States US | 96519 |
| Country | Percent of Pageviews |
|---|---|
| United States US | 88.4% |
| Other | 11.6% |
| Country | Percent of Visitors |
|---|---|
| United States US | 91% |
| Other | 8.8% |
Where do visitors go on c21.com?
| Subdomain | Pageviews |
|---|---|
| revolution.c21.com | 13.96% |
| rebrand.c21.com | 5.78% |
| other | 79.97% |
| Subdomain | Pageviews per User |
|---|---|
| revolution.c21.com | 2 |
| rebrand.c21.com | 1 |
| Subdomain | Reach |
|---|---|
| revolution.c21.com | 12.48% |
| rebrand.c21.com | 7.99% |
How popular is c21.com?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 378223 | 43230 | 13 | -13.11% |
| 30 | 391475 | -11179 | 13 | 3% |
| 7 | 402141 | -13910 | 13 | 2% |
| 1 | 389653 | -161510 | 1 | 30% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 612984 | 14203 | 5 | -1.65% | 1.5 | 10% |
| 30 | 664139 | -13748 | 5 | 2% | 1.4 | -0.719% |
| 7 | 701596 | 30627 | 4 | -7.552% | 1 | -9.353% |
| 1 | 705113 | -182228 | 4 | 30% | 1 | 0% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 427217 | 34185 |
| past month | 448694 | -11569 |
| past week | 468141 | -1481 |
| yesterday | 499404 | -173448 |
Alexa Rank shows how popular c21.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If c21.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to c21.com and pageviews on c21.com over the past 3 months.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates c21.com for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
"c21.com" is not a phishing page.
"c21.com" does not install unwanted software.
"c21.com" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses c21.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze c21.com for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the c21.com. This reputation system receives ratings from users and information from third-party sources, assesses the c21.com for safety features and confirms, whether c21.com is suitable for children.
| WARNING! | Certificate download error. Previous scan results are shown below. |
| WARNING! | C21.com is not secured by SSL certificate. |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 10/12/2023
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: C21.COM
Registry Domain ID: 287757_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.corporatedomains.com
Registrar URL: http://cscdbs.com
Updated Date: 2017-10-03T00:03:40Z
Creation Date: 1995-03-10T05:00:00Z
Registry Expiry Date: 2022-03-11T04:00:00Z
Registrar: CSC Corporate Domains, Inc.
Registrar IANA ID: 299
Registrar Abuse Contact Email: domainabuse@cscglobal.com
Registrar Abuse Contact Phone: 8887802723
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1182.AWSDNS-19.ORG
Name Server: NS-1619.AWSDNS-10.CO.UK
Name Server: NS-236.AWSDNS-29.COM
Name Server: NS-788.AWSDNS-34.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-23T22:23:27Z
| Host | A Record | TTL |
|---|---|---|
| c21.com | 3.13.43.138 | 60 |
| c21.com | 3.13.255.142 | 60 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| c21.com | c21-com.mail.protection.outlook.com | 10 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| c21.com | ns-1182.awsdns-19.org | 172800 |
| c21.com | ns-1619.awsdns-10.co.uk | 172800 |
| c21.com | ns-236.awsdns-29.com | 172800 |
| c21.com | ns-788.awsdns-34.net | 172800 |
| Host | TXT Record | TTL |
|---|---|---|
| c21.com | MS=ms57779765 | 1200 |
| c21.com | v=spf1 ip4:64.37.197.6 ip4:64.37.197.45 ip4:63.240.103.0/26 ip4:216.136.162.64/26 ip4:64.37.197.198 mx a:svvssmtp.century21.com include:spf.usa.net include:sendgrid.net include:spf.protection.outlook.com ~all | 1200 |
ns-236.awsdns-29.com
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Last tested: 12/03/2018
| Total Resources | 81 |
| Number of Hosts | 32 |
| Static Resources | 37 |
| JavaScript Resources | 22 |
| CSS Resources | 3 |
Last tested: 12/03/2018
| Total Resources | 75 |
| Number of Hosts | 28 |
| Static Resources | 37 |
| JavaScript Resources | 22 |
| CSS Resources | 3 |
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