Jeffco.us Jefferson County, CO | Official Website

The home page for Jefferson County Colorado.


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.67 sec.
Last Checked: 03/28/2024

Jeffco.us traffic volume is 1,930 unique daily visitors and their 6,756 pageviews. The web value rate of jeffco.us is 124,976 USD. Each visitor makes around 3.75 page views on average.

By Alexa's traffic estimates jeffco.us placed at 28,655 position over the world, while the largest amount of its visitors comes from United States, where it takes 24,701 place.

Perfect for jeffco.us that their data center (provided by company company JCC-ASN - Jefferson County, Colorado, 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 JCC-ASN - Jefferson County, Colorado, US.

Jeffco.us registered under .US top-level domain. Check other websites in .US zone.

The last verification results, performed on (November 22, 2019) jeffco.us show that jeffco.us has an expired SSL certificate issued by DigiCert Inc (expired on February 14, 2020). 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 jeffco.us is pretty a safe domain.

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


Global Rank
105,262
Average Load Time
0.92sec
Links In Count
598
Website Value
$116,800

Overview
Last Updated: 03/28/2024
Overall result - jeffco.us 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: 03/24/2024
jeffco.us is safe.
Norton ConnectSafe evaluates jeffco.us for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/13/2019
jeffco.us 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
jeffco.us 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: 02/23/2021
jeffco.us is safe.
McAfee assesses jeffco.us 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 jeffco.us for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/10/2019
jeffco.us child safety is very good.
The WOT calculates reputation of the jeffco.us. This reputation system receives ratings from users and information from third-party sources, assesses the jeffco.us for safety features and confirms, whether jeffco.us is suitable for children.

SSL Information
Domainjeffco.us
Issuer OrganizationDigiCert Inc
IssuerGeoTrust TLS RSA CA G1
AlgorithmRSA-SHA256
Valid form01/19/2018
Expiration02/14/2020
SignedCertificate is not self signed
Additional Domains jeffco.us
www.jeffco.us
*.jeffco.us
*.admin.co.jeffco.us
Server Location

ASN Information

ASN ID: 53529
ASN Title: JCC-ASN - Jefferson County, Colorado, US

Last Update: 10/04/2023

#
# 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: 53529
ASName: JCC-ASN
ASHandle: AS53529
RegDate: 2010-06-01
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/53529

OrgName: Jefferson County, Colorado
OrgId: JCC-9
Address: IT-Operations Dept.
Address: 3500 Illinois St. Suite 2500
City: Golden
StateProv: CO
PostalCode: 80401
Country: US
RegDate: 1994-04-18
Updated: 2013-07-26
Comment: Jefferson County, Colorado Administration
Ref: https://rdap.arin.net/registry/entity/JCC-9

OrgTechHandle: NETWO3805-ARIN
OrgTechName: NetworkAdmin
OrgTechPhone: +1-303-271-8834
OrgTechEmail: ITS-ARIN@co.jefferson.co.us
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO3805-ARIN

OrgAbuseHandle: NETWO3805-ARIN
OrgAbuseName: NetworkAdmin
OrgAbusePhone: +1-303-271-8834
OrgAbuseEmail: ITS-ARIN@co.jefferson.co.us
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO3805-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: jeffco.us
Registry Domain ID: D1878362-US
Registrar WHOIS Server:
Registrar URL: www.register.com
Updated Date: 2020-06-13T15:09:35Z
Creation Date: 2002-04-24T17:57:11Z
Registry Expiry Date: 2022-04-23T23:59:59Z
Registrar: Register.com, Inc.
Registrar IANA ID: 9
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: C1255AEC00DA54B4FB329E4F2C6128A01-NSR
Registrant Name: ItsUnix Jeffco
Registrant Organization: Jefferson County, Colorado
Registrant Street: 3500 ILLINOIS ST STE 2500
Registrant Street: IT SERVICES
Registrant Street:
Registrant City: Golden
Registrant State/Province: CO
Registrant Postal Code: 80401-6022
Registrant Country: US
Registrant Phone: +1.3032718039
Registrant Phone Ext:
Registrant Fax: +1.8886429675
Registrant Fax Ext:
Registrant Email: its-unix@co.jefferson.co.us
Registrant Application Purpose: P5
Registrant Nexus Category: C21
Registry Admin ID: C1255AEC00DA54B4FB329E4F2C6128A01-NSR
Admin Name: ItsUnix Jeffco
Admin Organization: Jefferson County, Colorado
Admin Street: 3500 ILLINOIS ST STE 2500
Admin Street: IT SERVICES
Admin Street:
Admin City: Golden
Admin State/Province: CO
Admin Postal Code: 80401-6022
Admin Country: US
Admin Phone: +1.3032718039
Admin Phone Ext:
Admin Fax: +1.8886429675
Admin Fax Ext:
Admin Email: its-unix@co.jefferson.co.us
Admin Application Purpose: P5
Admin Nexus Category: C21
Registry Tech ID: CD97C1F8573E248B6868337F9E9BB0E6B-NSR
Tech Name: Domain Registrar
Tech Organization: Registercom
Tech Street: 575 8th Avenue
Tech Street:
Tech Street:
Tech City: New York
Tech State/Province: NY
Tech Postal Code: 10018
Tech Country: US
Tech Phone: +1.9027492701
Tech Phone Ext:
Tech Fax: +1.9027492701
Tech Fax Ext:
Tech Email: domainregistrar@register.com
Tech Application Purpose: P1
Tech Nexus Category: C11
Name Server: dns1.jeffco.us
Name Server: dns2.jeffco.us
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2021-05-03T01:24:12Z


DNS Records
HostA RecordTTL
jeffco.us199.184.241.62900
HostMX RecordPriorityTTL
jeffco.uscluster6.us.messagelabs.com1086400
jeffco.uscluster6a.us.messagelabs.com2086400
HostNS RecordTTL
jeffco.usdns1.jeffco.us86400
jeffco.usdns2.jeffco.us86400
HostTXT RecordTTL
jeffco.usv=spf1 mx include:_spf.mlsend.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.messagelabs.com include:_spf.salesforce.com include:mailgun.org -all3600
jeffco.usxbWyPvXitPBYdA8X0s1s7a46bPnubZyJQ2q8at8rX+0=3600
jeffco.usMS=ms100798523600
jeffco.usYuOuZJpJrG17qnYAzhTjuS+k1nVtvqoVtQOwZG+XghslglApH+dVoG3hVaPkCiD8n7o/8oysz+iKUeIPo1HMwg==3600

dns1.jeffco.us
TTL: 86400
Email address: its-unix.jeffco.us
Serial: 2019080803
Refresh: 1200
Retry: 3600
Expire: 2419200
Minimum: 86400


Errors
Warnings

Last tested: 11/15/2016

Desktop
Desktop Speed
74%

Desktop Resource Breakdown
Total Resources52
Number of Hosts8
Static Resources35
JavaScript Resources9
CSS Resources6

Last tested: 05/27/2017

Mobile
Mobile Usability
66%
Mobile Speed
55%

Mobile Resource Breakdown
Total Resources53
Number of Hosts9
Static Resources35
JavaScript Resources9
CSS Resources6
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