Siwn.org.uk Systemics and Informatics World Network
Server IP address resolved: No
Http response code: None
Last Checked: 04/30/2026
Siwn.org.uk attracts 1,832 unique visitors daily, generating 3,664 pageviews. The estimated value of siwn.org.uk is 2,825 USD. Each visitor views approximately 2.14 pages on average.
Siwn.org.uk is hosted by LINODE-AP Linode, LLC, US. Check out other websites hosted by LINODE-AP Linode, LLC, US.
See the list of other websites hosted by LINODE-AP Linode, LLC, US.
Siwn.org.uk is registered with the .UK top-level domain. Explore additional websites within the .UK zone.
According to the latest verification on (April 30, 2026), siwn.org.uk has an invalid SSL certificate. Click the "Refresh" button in the Safety Information section for updated SSL details.
According to Google Safe Browsing and Symantec siwn.org.uk appears to be a safe domain.
Based on Google's Mobile-Friendly test, siwn.org.uk 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.
not found

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 siwn.org.uk for any unsafe and insecure content. The results are critical for families with young children.

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.

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.

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

The WOT calculates reputation of the siwn.org.uk. This reputation system receives ratings from users and information from third-party sources, assesses the siwn.org.uk for safety features and confirms, whether siwn.org.uk is suitable for children.
| 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: 63949
ASN Title: LINODE-AP Linode, LLC, US
Last Update: 03/13/2026
#
# 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: 63488 - 64197
ASName: IANA-RSVD
ASHandle: AS63488
RegDate: 2013-06-07
Updated: 2013-06-07
Ref: https://rdap.arin.net/registry/autnum/63488
OrgName: Internet Assigned Numbers Authority
OrgId: IANA
Address: 12025 Waterfront Drive
Address: Suite 300
City: Los Angeles
StateProv: CA
PostalCode: 90292
Country: US
RegDate:
Updated: 2012-08-31
Ref: https://rdap.arin.net/registry/entity/IANA
OrgAbuseHandle: IANA-IP-ARIN
OrgAbuseName: ICANN
OrgAbusePhone: +1-310-301-5820
OrgAbuseEmail: abuse@iana.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN
OrgTechHandle: IANA-IP-ARIN
OrgTechName: ICANN
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org
OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-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.
#
Domain name:
siwn.org.uk
Data validation:
Registrant contact details waiting to be checked
Registrar:
123-Reg Limited t/a 123-reg [Tag = 123-REG]
URL: https://www.123-reg.co.uk
Relevant dates:
Registered on: 07-Dec-2007
Expiry date: 07-Dec-2025
Last updated: 31-Jul-2024
Registration status:
Registered until expiry date.
Name servers:
ns8233.hostgator.com
ns8234.hostgator.com
WHOIS lookup made at 07:52:31 20-Aug-2024
--
This WHOIS information is provided for free by Nominet UK the central registry
for .uk domain names. This information and the .uk WHOIS are:
Copyright Nominet UK 1996 - 2024.
You may not access the .uk WHOIS or use any data from it except as permitted
by the terms of use available in full at https://www.nominet.uk/whoisterms,
which includes restrictions on: (A) use of the data for advertising, or its
repackaging, recompilation, redistribution or reuse (B) obscuring, removing
or hiding any or all of this notice and (C) exceeding query rate or volume
limits. The data is provided on an 'as-is' basis and may lag behind the
register. Access may be withdrawn or restricted at any time.
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