Cus.org The Cambridge Union - Debating Society & Members Club

A unique members club set in the heart of the city of Cambridge. Browse events, book a table for food and drink, or become a member!

Cus.org Overview

Cus.org belongs to AUTOMATTIC - Automattic, Inc, US. Check the list of other websites hosted by AUTOMATTIC - Automattic, Inc, US.

In terms of rank-to-traffic ratio, cus.org has 2,080 unique users per day, viewing 4,156 pages. The rank based value of cus.org is 3,114 USD. Every user makes 2.16 pageviews on average.

Cus.org boasts a link base consisting of 369 referring domains and 462 external backlinks, as revealed by the data obtained from web network scanning.

Cus.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.

According the last verification test in September 13, 2024, cus.org has an expired SSL certificate issued by Let's Encrypt (expired on October 27, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cus.org is a fairly safe domain.

According the Mobile-Friendly test by Google cus.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Cus.org Website Safety

Overview

Last Updated: 10/06/2025

Overall result - cus.org 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: 04/01/2025

cus.org is safe.

Norton ConnectSafe evaluates cus.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/16/2020

cus.org 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

cus.org 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: 03/02/2021

cus.org is safe.

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

Web of Trust

Last Updated: 01/11/2019

cus.org child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	cus.org
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	07/29/2024
Expiration	10/27/2024
Signed	Certificate is not self signed
Additional Domains	cus.org theoratorcambridge.uk www.cus.org www.theoratorcambridge.co.uk

Cus.org Rank History

Alexa Rank shows how popular cus.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cus.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to cus.org and pageviews on cus.org over the past 3 months.

Cus.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 2635

ASN Title: AUTOMATTIC - Automattic, Inc, US

Last Update: 09/07/2025

#
# 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: 2635
ASName: AUTOMATTIC
ASHandle: AS2635
RegDate: 2012-10-01
Updated: 2012-10-01
Ref: https://rdap.arin.net/registry/autnum/2635

OrgName: Automattic, Inc
OrgId: AUTOM-93
Address: 60 29th Street #343
City: San Francisco
StateProv: CA
PostalCode: 94110
Country: US
RegDate: 2011-10-05
Updated: 2018-06-04
Ref: https://rdap.arin.net/registry/entity/AUTOM-93

OrgNOCHandle: NOC12276-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-877-273-8550
OrgNOCEmail: ipadmin@automattic.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgTechHandle: NOC12276-ARIN
OrgTechName: NOC
OrgTechPhone: +1-877-273-8550
OrgTechEmail: ipadmin@automattic.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgAbuseHandle: ABUSE3970-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-877-273-8550
OrgAbuseEmail: abuse@automattic.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3970-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.
#

Cus.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: cus.org
Registry Domain ID: 1a82db24c29849209e3ae964561e4d64-LROR
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2022-07-22T17:53:24Z
Creation Date: 1998-07-16T04:00:00Z
Registry Expiry Date: 2024-07-15T04:00:00Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: domainabuse@tucows.com
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Data Protected
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: GB
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: ns0.clara.net
Name Server: ns1.clara.net
Name Server: ns2.clara.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2022-09-27T15:37:29Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
cus.org	80.84.51.91	18000

Host	MX Record	Priority	TTL
cus.org	cus-org.mail.protection.outlook.com	0	3600

Host	NS Record	TTL
cus.org	ns1.clara.net	18000
cus.org	ns0.clara.net	18000

Host	TXT Record	TTL
cus.org	MS=ms28891144	3600
cus.org	v=spf1 a mx ip4:216.9.253.0/24 include:spf.protection.outlook.com include:mx.cam.ac.uk -all	3600

ns0.clara.net
TTL: 18000
Email address: hostmaster.clara.net
Serial: 2019071603
Refresh: 172800
Retry: 3600
Expire: 1728000
Minimum: 172800

Cus.org HTML Check

HTML Validation Tool

Warnings

The “banner” role is unnecessary for element “header”.

The “navigation” role is unnecessary for element “nav”.

The first occurrence of ID “main-menu” was here.

The first occurrence of ID “member_footer” was here.

The first occurrence of ID “livesocial” was here.

The “contentinfo” role is unnecessary for element “footer”.

Errors

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

Duplicate ID “main-menu”.

No “li” element in scope but a “li” end tag seen.

Stray end tag “ul”.

End tag “div” seen, but there were open elements.

Unclosed element “header”.

Stray end tag “div”.

Stray end tag “header”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.

Bad value “50%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

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

Duplicate ID “member_footer”.

Bad value “true” for attribute “async” on element “script”.

Duplicate ID “livesocial”.

End tag for “body” seen, but there were unclosed elements.

Unclosed element “footer”.

Cus.org Desktop Performance

Last tested: 10/19/2015

Desktop Speed

74%

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

Minify JavaScript

Optimize images

Leverage browser caching

Desktop Resource Breakdown

Total Resources	150
Number of Hosts	29
Static Resources	126
JavaScript Resources	63
CSS Resources	18

Cus.org Mobile Insights

Last tested: 10/19/2015

Mobile Usability

95%

Size tap targets appropriately

Mobile Speed

57%

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

Minify JavaScript

Leverage browser caching

Optimize images

Mobile Resource Breakdown

Total Resources	156
Number of Hosts	30
Static Resources	131
JavaScript Resources	64
CSS Resources	18

Cus.org Common Typos

www.cus.com
www.cus.net
www.cus.org
www.cus.info
www.cus.biz
www.cus.us
www.cus.mobi
www.us.org
www.cus.org
www.xus.org
www.cxus.org
www.xcus.org
www.dus.org
www.cdus.org
www.dcus.org
www.fus.org
www.cfus.org
www.fcus.org
www.vus.org
www.cvus.org
www.vcus.org
www.cs.org
www.cys.org
www.cuys.org
www.cyus.org
www.chs.org
www.cuhs.org
www.chus.org
www.cjs.org
www.cujs.org
www.cjus.org
www.cis.org
www.cuis.org
www.cius.org
www.cu.org
www.cuw.org
www.cusw.org
www.cuws.org
www.cue.org
www.cuse.org
www.cues.org
www.cud.org
www.cusd.org
www.cuds.org
www.cuz.org
www.cusz.org
www.cuzs.org
www.cux.org
www.cusx.org
www.cuxs.org
www.cua.org
www.cusa.org
www.cuas.org

Cus.org The Cambridge Union - Debating Society & Members Club

A unique members club set in the heart of the city of Cambridge. Browse events, book a table for food and drink, or become a member!

Cus.org Overview

Cus.org Website Safety

Cus.org Rank History

Cus.org Hosting Information

Cus.org Domain Registration and Settings

Cus.org HTML Check

Cus.org Desktop Performance

Cus.org Mobile Insights

Cus.org Similar Audits

Cus.org Common Typos