Concentric.net XO Communications: Networking Services & Solutions | Verizon
Learn more about how many XO Communications services will move to Verizon. Find out how XO customers will get improved performance from their network ...
Server IP address resolved: No
Http response code: None
Last Checked: 02/02/2025
Concentric.net attracts 115,747 unique visitors daily, generating 694,484 pageviews. The estimated value of concentric.net is 999,979 USD. Each visitor views approximately 6.42 pages on average.
Concentric.net is hosted by ULTRADNS, US. Check out other websites hosted by ULTRADNS, US.
See the list of other websites hosted by ULTRADNS, US.
Concentric.net is registered with the .NET top-level domain. Explore additional websites within the .NET zone.
According to the latest verification on (February 02, 2025), concentric.net has an invalid SSL certificate. Click the "Refresh" button in the Safety Information section for updated SSL details.
According to Web of Trust concentric.net may be a suspicious domain.
Based on Google's Mobile-Friendly test, concentric.net is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.
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 concentric.net for any unsafe and insecure content. The results are critical for families with young children.
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Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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McAfee assesses concentric.net 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 concentric.net for mature or inappropriate content, only security checks are evaluated.
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| WARNING! | Certificate download error. Previous scan results are shown below. |
| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
ASN ID: 397215
ASN Title: ULTRADNS, US
Last Update: 09/01/2024
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
ASNumber: 397213 - 397243
ASName: ULTRADNS
ASHandle: AS397213
RegDate: 2018-12-04
Updated: 2018-12-04
Ref: https://rdap.arin.net/registry/autnum/397213
OrgName: NeuStar, Inc.
OrgId: NEUS
Address: 45980 Center Oak Plaza
Address: Network Operations Center
City: Sterling
StateProv: VA
PostalCode: 20166
Country: US
RegDate: 2001-03-21
Updated: 2018-01-10
Comment: NPAC
Ref: https://rdap.arin.net/registry/entity/NEUS
OrgTechHandle: NETWO336-ARIN
OrgTechName: Network Engineering
OrgTechPhone: +1-866-638-6622
OrgTechEmail: wan.engineering@neustar.biz
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO336-ARIN
OrgAbuseHandle: NETWO336-ARIN
OrgAbuseName: Network Engineering
OrgAbusePhone: +1-866-638-6622
OrgAbuseEmail: wan.engineering@neustar.biz
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO336-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
Domain Name: CONCENTRIC.NET
Registry Domain ID: 2597291_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.corporatedomains.com
Registrar URL: http://cscdbs.com
Updated Date: 2023-08-09T14:17:40Z
Creation Date: 1995-02-24T05:00:00Z
Registry Expiry Date: 2025-02-25T05:00:00Z
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-SCRM.VERIZONWIRELESS.COM
Name Server: NS-TMTR.VERIZONWIRELESS.COM
Name Server: NS-TWBG.VERIZONWIRELESS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-01-27T08:32:18Z
| Host | A Record | TTL |
|---|---|---|
| concentric.net | 204.74.99.100 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| concentric.net | mx1c28.concentric.com | 10 | 900 |
| concentric.net | mx3c28.concentric.com | 30 | 900 |
| concentric.net | mx2c28.concentric.com | 20 | 900 |
| concentric.net | mx4c28.concentric.com | 40 | 900 |
| Host | NS Record | TTL |
|---|---|---|
| concentric.net | ns-twbg.verizonwireless.com | 3600 |
| concentric.net | ns-scrm.verizonwireless.com | 3600 |
| concentric.net | ns-tmtr.verizonwireless.com | 3600 |
| Host | TXT Record | TTL |
|---|
ns-twbg.verizonwireless.com
TTL: 3600
Email address: hostmaster.cnc.net
Serial: 2012082122
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 300
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