Costar.com CoStar | # 1 Commercial Real Estate Information Company

CoStar, the world leader in commercial real estate information, has the most comprehensive database of real estate data throughout the US, Canada, UK ...


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.34 sec.
Last Checked: 12/01/2022

Costar.com traffic volume is 1,941 unique daily visitors and their 26,009 pageviews. The web value rate of costar.com is 459,287 USD. Each visitor makes around 14.34 page views on average.

By Alexa's traffic estimates costar.com placed at 4,391 position over the world, while the largest amount of its visitors comes from United States, where it takes 5,084 place.

Perfect for costar.com that their data center (provided by company company AKAMAI-AS - Akamai Technologies, Inc., US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AKAMAI-AS - Akamai Technologies, Inc., US.

Costar.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (November 28, 2019) costar.com show that costar.com has an expired SSL certificate issued by DigiCert Inc (expired on January 28, 2022). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust costar.com is pretty a safe domain.

Relying Google MobileFriendly test costar.com is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
23,890
Average Load Time
1.52sec
Links In Count
1,709
Website Value
$429,240

Overview
Last Updated: 12/01/2022
Overall result - costar.com is safe.
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 Connect Safe
Last Updated: 03/19/2022
costar.com is safe.
Norton ConnectSafe evaluates costar.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/07/2019
costar.com is safe.
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.
Google Safe Browsing
Last Updated: 01/09/2019
costar.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2020
costar.com is safe.
McAfee assesses costar.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 costar.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
costar.com child safety is very good.
The WOT calculates reputation of the costar.com. This reputation system receives ratings from users and information from third-party sources, assesses the costar.com for safety features and confirms, whether costar.com is suitable for children.

SSL Information
Domaingateway.costar.com
Issuer OrganizationDigiCert Inc
IssuerDigiCert SHA2 Extended Validation Server CA
AlgorithmRSA-SHA256
Valid form11/07/2019
Expiration01/28/2022
SignedCertificate is not self signed
Additional Domains gateway.costar.com
pds1.costar.com
ahprd2cdn.csgpimgs.com
product1.costar.com
ahprdcdn3.costar.com
listingmanager.costar.com
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property.costar.com
fulfillment.csgpmarketplace.com
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property2.costar.com
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registration.costargroup.com
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Server Location

ASN Information

ASN ID: 16625
ASN Title: AKAMAI-AS - Akamai Technologies, Inc., US

Last Update: 04/21/2022

#
# 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: 16625
ASName: AKAMAI-AS
ASHandle: AS16625
RegDate: 2000-05-29
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16625

OrgName: Akamai Technologies, Inc.
OrgId: AKAMAI
Address: 150 Broadway
City: Cambridge
StateProv: MA
PostalCode: 02142
Country: US
RegDate: 1999-01-21
Updated: 2018-02-14
Ref: https://rdap.arin.net/registry/entity/AKAMAI

OrgAbuseHandle: NUS-ARIN
OrgAbuseName: NOC United States
OrgAbusePhone: +1-617-444-2535
OrgAbuseEmail: abuse@akamai.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NUS-ARIN

OrgTechHandle: SJS98-ARIN
OrgTechName: Schecter, Steven Jay
OrgTechPhone: +1-617-274-7134
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/SJS98-ARIN

OrgTechHandle: IPADM11-ARIN
OrgTechName: ipadmin
OrgTechPhone: +1-617-444-0017
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM11-ARIN

OrgTechHandle: ZIPKI-ARIN
OrgTechName: Zipkin, Justin
OrgTechPhone: +1-617-444-9713
OrgTechEmail: ip-admin@akamai.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZIPKI-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.
#

WHOIS

Domain Name: COSTAR.COM
Registry Domain ID: 1870855_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2020-10-08T09:16:13Z
Creation Date: 1994-11-10T05:00:00Z
Registry Expiry Date: 2021-11-09T05:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2083895740
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: A1-73.AKAM.NET
Name Server: A22-64.AKAM.NET
Name Server: A3-65.AKAM.NET
Name Server: A4-66.AKAM.NET
Name Server: A6-67.AKAM.NET
Name Server: A9-64.AKAM.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-25T10:44:03Z


DNS Records
HostA RecordTTL
costar.com23.47.181.2920
HostMX RecordPriorityTTL
costar.commx3.costar.com20600
costar.commx2.costar.com10600
costar.commx1.costar.com10600
costar.commx4.costar.com20600
HostNS RecordTTL
costar.coma22-64.akam.net600
costar.coma3-65.akam.net600
costar.coma6-67.akam.net600
costar.coma9-64.akam.net600
costar.coma4-66.akam.net600
costar.coma1-73.akam.net600
HostTXT RecordTTL
costar.comadobe-sign-verification=1d48bbfc701435de69aaa739f3760b3a300
costar.comlogmein-verification-code=6343f47d-66e6-420d-9d7e-00b416ceb76f300
costar.comMS=ms77657212300
costar.comgoogle-site-verification=2MlwRZ3OLoBXvFTfO4sxBIjRuPCdBSO-ka2TkUKDtjk300
costar.comv=spf1 ip4:65.200.12.0/24 ip4:204.253.48.0/24 ip4:65.222.180.0/24 ip4:65.222.181.0/24 ip4:65.210.23.0/24 include:spf.mandrillapp.com include:amazonses.com -all300
costar.comgoogle-site-verification=-cLIa88IwmiH9Qa8DXtX07M6_oBqCpO1sQI2IzZ5uII300
costar.comgoogle-site-verification=SfCK9nnNCBdYWhLTQsadIIyA1_u0dhep8mOts-df-K0300
costar.comadobe-idp-site-verification=24664704b6bf9cad007ee8e4e6f54db759418404868491369b399f373520defd300
costar.comsegment-site-verification=B4D17fO1iOGJwRHpvxgLskQaG5hvSunB300
costar.comfacebook-domain-verification=gx1cs3gbyrsju4n0u8rnja67ki8kf9300
costar.com8niIaC4lkHKUdeF/qMfOiBO6ohbU5THo1O6NNTx1CfbVZBMuoZ5wUEBN0SlYFjAVdcUe4QCi4V8mEtwLzUyOEw==300
costar.comMS=ms31196382300
costar.comcitrix-verification-code=42c6f62f-b974-4c3a-b70a-6428068290db300

ns1.costar.com
TTL: 600
Email address: hostmaster.costar.com
Serial: 2019080601
Refresh: 10800
Retry: 3600
Expire: 1209600
Minimum: 3600


Errors
Warnings

Last tested: 08/13/2016

Desktop
Desktop Speed
68%

Desktop Resource Breakdown
Total Resources94
Number of Hosts10
Static Resources79
JavaScript Resources25
CSS Resources8

Last tested: 12/07/2019

Mobile
Mobile Usability
100%
Mobile Speed
54%

Mobile Resource Breakdown
Total Resources93
Number of Hosts20
Static Resources48
JavaScript Resources27
CSS Resources5
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