Costargroup.com Home | CoStar Group

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/23/2025

Costargroup.com attracts 12,176 unique visitors daily, generating 35,309 pageviews. The estimated value of costargroup.com is 618,631 USD. Each visitor views approximately 3.10 pages on average.

According to Majestic's traffic estimates, costargroup.com ranks 100,702 globally, with the majority of its visitors coming from United States, where it holds the 3,261 position.

It is beneficial for costargroup.com that their data center (provided by AKAMAI-AS - Akamai Technologies, Inc., US) is located in United States, as this helps reduce page load time for most visitors.

See the list of other websites hosted by AKAMAI-AS - Akamai Technologies, Inc., US.

Costargroup.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

The last inspection on (October 13, 2024), confirms that costargroup.com holds a valid and current SSL certificate issued by DigiCert Inc expiring on August 07, 2025. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by DigiCert Inc.

According to Google Safe Browsing, Google Safe Search and Symantec costargroup.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, costargroup.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
20,481
Average Load Time
1.21sec
Links In Count
153
Website Value
$578,160
Overview
Last Updated: 01/23/2025
Overall result - costargroup.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: 02/06/2024
costargroup.com is safe.
Norton ConnectSafe evaluates costargroup.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 04/11/2019
costargroup.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
costargroup.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: 01/17/2021
costargroup.com is safe.
McAfee assesses costargroup.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 costargroup.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/23/2025
costargroup.com child safety is unknown.
The WOT calculates reputation of the costargroup.com. This reputation system receives ratings from users and information from third-party sources, assesses the costargroup.com for safety features and confirms, whether costargroup.com is suitable for children.

Costargroup.com | SSL Certificate Information
Domaingateway.costar.com
Issuer OrganizationDigiCert Inc
IssuerDigiCert SHA2 Extended Validation Server CA
AlgorithmRSA-SHA256
Valid form08/07/2024
Expiration08/07/2025
SignedCertificate is not self signed
Additional Domains gateway.costar.com
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Server Location

Costargroup.com ASN Information

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

Last Update: 11/09/2024

#
# 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: COSTARGROUP.COM
Registry Domain ID: 4552938_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2024-02-19T10:35:07Z
Creation Date: 1999-03-22T05:00:00Z
Registry Expiry Date: 2025-03-22T04:00:00Z
Registrar: MarkMonitor Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints@markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
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: 2024-12-17T21:14:59Z


DNS Records
HostA RecordTTL
costargroup.com172.230.186.23720
HostMX RecordPriorityTTL
costargroup.commx3.costar.com20600
costargroup.commx2.costar.com10600
costargroup.commx4.costar.com20600
costargroup.commx1.costar.com10600
HostNS RecordTTL
costargroup.coma6-67.akam.net600
costargroup.coma4-66.akam.net600
costargroup.coma3-65.akam.net600
costargroup.coma1-73.akam.net600
costargroup.coma22-64.akam.net600
costargroup.coma9-64.akam.net600
HostTXT RecordTTL
costargroup.com71p3NPXWOL+y+a3rw/uwq28LXg/yeIP/Unt06U+MGGxM+xIsxXlc0haY01eHc7FLXPfIMl1p4hKBHDVaM507Ew==600
costargroup.comMS=ms75226650600
costargroup.comsegment-site-verification=ANCDO32VsampC7rGoR88pHhGxRUw4GKh600
costargroup.comcitrix-verification-code=42c6f62f-b974-4c3a-b70a-6428068290db600
costargroup.comfacebook-domain-verification=e9tibbxg48pgvnj03avnmaf5lzem2d600
costargroup.comcitrix-verification-code=c8992f87-272c-436a-bd74-1893318d7fe1600
costargroup.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 ip4:65.210.23.128/25 a:mail10.virtualpremise.com a:mail.vpmail.com include:aspmx.pardot.com include:spf.mandrillapp.com ~all600
costargroup.comgoogle-site-verification=gObUXI6kgmQFY2qkOL1__rC16aHh3vRJSM_GV-BechU600

ns1.costar.com
TTL: 3600
Email address: hostmaster.costar.com
Serial: 2020021808
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600


Errors
Warnings

Last tested: 10/01/2015

Desktop
Desktop Speed
90%

Desktop Resource Breakdown
Total Resources44
Number of Hosts5
Static Resources31
JavaScript Resources14
CSS Resources8

Last tested: 07/06/2019

Mobile
Mobile Usability
96%
Mobile Speed
50%

Mobile Resource Breakdown
Total Resources58
Number of Hosts12
Static Resources32
JavaScript Resources16
CSS Resources6
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