stemk12.org - STEM School Highlands Ranch

Stemk12.org Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 11/02/2024

Stemk12.org traffic estimate is about 1,483 unique visitors and 2,966 pageviews per day. The approximated value of stemk12.org is 2,160 USD. Every unique visitor makes about 2 pageviews on average.

stemk12.org is hosted by TerraHost AS. See the list of other websites hosted by TerraHost AS.

Stemk12.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (February 10, 2022) stemk12.org has an expired SSL certificate issued by Sectigo Limited (expired on December 13, 2022), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Sectigo Limited.

In accordance with Google Safe Browsing and Symantec stemk12.org is pretty a safe domain.

Relying on Google Mobile-Friendly test stemk12.org isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Stemk12.org General Information

Information not available

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Stemk12.org Safety Information

Rankchart Summary

Unknown

Updated: 11/02/2024

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

Safe

Updated: 03/31/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Not Checked

Updated: 11/02/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 03/15/2021

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McAfee assesses stemk12.org 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 stemk12.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 11/02/2024

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The WOT calculates reputation of the stemk12.org. This reputation system receives ratings from users and information from third-party sources, assesses the stemk12.org for safety features and confirms, whether stemk12.org is suitable for children.

Stemk12.org SSL Information

Information about SSL/TLS certificates

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Domain	stemk12.org
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	12/13/2021
Expiration	12/13/2022
Signed	Certificate is not self signed
Additional Domains	stemk12.org www.stemk12.org

SSL Checker

Stemk12.org Server Information

Stemk12.org Server Location

Where website hosting server is located?

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Stemk12.org ASN Information

Information about IP address owner

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ASN ID: 56655

ASN Title: TerraHost AS

Updated: 03/25/2024

Raw ASN data:

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS56320 - AS58367'

as-block: AS56320 - AS58367
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:34Z
last-modified: 2018-11-22T15:27:34Z
source: RIPE

% Information related to 'AS56655'

% Abuse contact for 'AS56655' is 'abuse@terrahost.no'

aut-num: AS56655
as-name: TERRAHOST
org: ORG-TA1225-RIPE
remarks: ---------------------------------------------------------
remarks: UPSTREAMS
remarks: ---------------------------------------------------------
remarks:
remarks: ------- Blix Solutions AS -------
import: from AS50304 accept ANY
export: to AS50304 announce AS-TERRAHOST
remarks:
remarks: ------- Altibox AS -------
import: from AS29695 accept ANY
export: to AS29695 announce AS-TERRAHOST
remarks: --
remarks: Read Only Communities:
remarks: 56655:1000 - Route learned from a customer
remarks: 56655:1100 - Route learned from a peer
remarks: 56655:1300 - Route is local
remarks: 56655:2xxx - Route learned from transit
remarks: --
remarks: Communities available for customers:
remarks: 56655:50 - Set local pref to 50
remarks: 56655:150 - Set local pref to 150
remarks: 56655:200 - Do not announce to transits
remarks: 56655:201 - Prepend once to transits
remarks: 56655:202 - Prepend twice to transits
remarks: 56655:666 - Blackhole (/32 and /128)
remarks: --
admin-c: TEHO1-RIPE
tech-c: TEHO1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS203629-MNT
created: 2018-02-07T15:37:06Z
last-modified: 2019-10-17T16:29:07Z
source: RIPE

organisation: ORG-TA1225-RIPE
org-name: TerraHost AS
org-type: LIR
address: Klinestadmoen 10
address: 3241
address: Sandefjord
address: NORWAY
admin-c: AMH75-RIPE
tech-c: AMH75-RIPE
abuse-c: AR44906-RIPE
mnt-ref: AS203629-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS203629-MNT
created: 2018-01-29T13:36:33Z
last-modified: 2018-12-12T10:36:23Z
source: RIPE # Filtered
phone: +47 33808800

role: TerraHost Role Object
address: TerraHost AS
address: Klinestadmoen 10
address: NO-3241 Sandefjord
address: Norway
phone: +47 33 80 88 00
admin-c: AMH65-RIPE
tech-c: AMH65-RIPE
abuse-mailbox: abuse@terrahost.no
nic-hdl: TEHO1-RIPE
mnt-by: AS203629-MNT
created: 2016-03-04T20:22:38Z
last-modified: 2016-07-01T10:03:26Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.95.1 (BLAARKOP)

Geolocation

ASN Lookup

Stemk12.org Domain Name Information

Stemk12.org DNS Information

Domain name service records

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Host	A Record	TTL

Stemk12.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Domain Name: stemk12.org
Registry Domain ID: 5dad88d045384c35ba4e5714cfa62cac-LROR
Registrar WHOIS Server: http://whois.epik.com
Registrar URL: https://www.epik.com
Updated Date: 2023-08-05T07:14:31Z
Creation Date: 2015-04-01T15:53:23Z
Registry Expiry Date: 2027-04-01T15:53:23Z
Registrar: Epik Inc.
Registrar IANA ID: 617
Registrar Abuse Contact Email: abuse@epik.com
Registrar Abuse Contact Phone: +1.7373015923
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Anonymize, Inc.
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: WY
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns3.epik.com
Name Server: ns4.epik.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-02-02T19:34:23Z

Whois

DNS Lookup

Stemk12.org HTML Validation

Stemk12.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)

End tag “a” violates nesting rules.

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Attribute “u” not allowed on element “div” at this point.

Attribute “u” not allowed on element “img” at this point.

Attribute “src2” not allowed on element “img” at this point.

Element “img” is missing required attribute “src”.

Duplicate ID “slides_container”.

No space between attributes.

Attribute “;” not allowed on element “iframe” at this point.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Bad value “tel:303-683-STEM (7836)” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Attribute “aria-labeledby” not allowed on element “nav” at this point.

The element “header” must not appear as a descendant of the “footer” element.

Warnings:

The first occurrence of ID “slides_container” was here.

Attribute “;” is not serializable as XML 1.0.

HTML Validator

Stemk12.org Desktop Performance

How Well Stemk12.org Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

60%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Minify CSS

Updated: 12/24/2017

Stemk12.org Mobile Performance

How Optimized Is Stemk12.org for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 12/24/2017

Stemk12.org Nearest Competitors

Estimated Nearest Competitors Of Stemk12.org

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excultura.com.br
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auburnaxethrowing.com
bois-colombes.com
capellahealth.com
chiensderace.com
cosylab.com

Stemk12.org URL Typos

Most common user URL mistypes for stemk12.org

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www.stemk2.org
www.stemk1.org

Total Resources	116
Number of Hosts	22
Static Resources	95
JavaScript Resources	25
CSS Resources	11

Text	612.0 Bytes
CSS	265.9 KBytes
Images	2.4 MBytes
HTML	782.3 KBytes
JavaScript	1.8 MBytes
Other	74.1 KBytes

Total Resources	116
Number of Hosts	22
Static Resources	95
JavaScript Resources	25
CSS Resources	11

Text	611.0 Bytes
CSS	266.0 KBytes
Images	3.3 MBytes
HTML	782.4 KBytes
JavaScript	1.8 MBytes
Other	48.3 KBytes

Stemk12.org STEM School Highlands Ranch – Never Stop Innovating

Stemk12.org Quick Summary

Stemk12.org General Information

Stemk12.org Safety Information

Stemk12.org SSL Information

Stemk12.org Server Information

Stemk12.org Server Location

Stemk12.org ASN Information

Stemk12.org Domain Name Information

Stemk12.org DNS Information

Stemk12.org Whois Information

Stemk12.org HTML Validation

Stemk12.org W3C HTML Markup Validation

Stemk12.org Desktop Performance

How Well Stemk12.org Performs On Desktops?

Stemk12.org Mobile Performance

How Optimized Is Stemk12.org for Mobile Devices?

Stemk12.org Nearest Competitors

Estimated Nearest Competitors Of Stemk12.org

Stemk12.org URL Typos

Most common user URL mistypes for stemk12.org