Cisn.org CISN: Home

Cisn.org Overview

Cisn.org belongs to UCB - University of California at Berkeley, US. Check the list of other websites hosted by UCB - University of California at Berkeley, US.

In terms of rank-to-traffic ratio, cisn.org has 1,911 unique users per day, viewing 3,860 pages. The rank based value of cisn.org is 2,854 USD. Every user makes 2.14 pageviews on average.

Cisn.org boasts a link base consisting of 264 referring domains and 308 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in January 14, 2025, cisn.org has an invalid SSL certificate. Click button “Update” SSL Information at the Safety Information section.

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

Based on Mobile-Friendly test by Google cisn.org is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Cisn.org Website Safety

Overview

Last Updated: 01/14/2025

Unknown status.

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: 03/14/2024

cisn.org is safe.

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

Google Safe Search

Last Updated: 01/14/2025

Not yet checked.

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: 01/10/2019

cisn.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: 04/10/2021

cisn.org is safe.

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

Web of Trust

Last Updated: 01/15/2019

cisn.org child safety is very good.

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

SSL Information

SSL Checker Tool

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

Cisn.org Rank History

Alexa Rank shows how popular cisn.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cisn.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 cisn.org and pageviews on cisn.org over the past 3 months.

Cisn.org Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 25

ASN Title: UCB - University of California at Berkeley, US

Last Update: 06/24/2024

#
# 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: 25
ASName: UCB
ASHandle: AS25
RegDate: 1984-08-02
Updated: 2016-04-18
Comment: DMCA Designated Agent is policy@berkeley.edu
Ref: https://rdap.arin.net/registry/autnum/25

OrgName: University of California at Berkeley
OrgId: UCAB
Address: IST - Communication and Network Services
Address: ATTN Network Services Group
Address: 2484 Shattuck Ave, #1640
Address: NOTE See Comment for DMCA INFO
City: Berkeley
StateProv: CA
PostalCode: 94720-1640
Country: US
RegDate: 1984-08-02
Updated: 2016-05-04
Comment: DMCA Designated Agent is policy@berkeley.edu
Ref: https://rdap.arin.net/registry/entity/UCAB

OrgAbuseHandle: UCBSE-ARIN
OrgAbuseName: UCB-SECURIT-ARIN
OrgAbusePhone: +1-510-664-9000
OrgAbuseEmail: abuse@security.berkeley.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/UCBSE-ARIN

OrgTechHandle: UCB-NOC-ARIN
OrgTechName: IST Communication and Network Services
OrgTechPhone: +1-510-664-9000
OrgTechEmail: noc@berkeley.edu
OrgTechRef: https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

OrgNOCHandle: UCB-NOC-ARIN
OrgNOCName: IST Communication and Network Services
OrgNOCPhone: +1-510-664-9000
OrgNOCEmail: noc@berkeley.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

RTechHandle: UCB-NOC-ARIN
RTechName: IST Communication and Network Services
RTechPhone: +1-510-664-9000
RTechEmail: noc@berkeley.edu
RTechRef: https://rdap.arin.net/registry/entity/UCB-NOC-ARIN

RNOCHandle: UCB-NOC-ARIN
RNOCName: IST Communication and Network Services
RNOCPhone: +1-510-664-9000
RNOCEmail: noc@berkeley.edu
RNOCRef: https://rdap.arin.net/registry/entity/UCB-NOC-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.
#

Cisn.org Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: CISN.ORG
Registry Domain ID: D16702164-LROR
Registrar WHOIS Server: whois.pairdomains.com
Registrar URL: https://whois.pairdomains.com
Updated Date: 2021-01-12T22:10:15Z
Creation Date: 2000-01-06T18:48:57Z
Registry Expiry Date: 2026-01-06T18:48:56Z
Registrar Registration Expiration Date:
Registrar: pair Networks, Inc. d/b/a pair Domains
Registrar IANA ID: 99
Registrar Abuse Contact Email: abuse@pairdomains.com
Registrar Abuse Contact Phone: +1.8887247642
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Univ. of California Berkeley Seismological Lab
Registrant State/Province: CA
Registrant Country: US
Name Server: ADNS1.BERKELEY.EDU
Name Server: ADNS2.BERKELEY.EDU
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-24T20:24:39Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Cisn.org HTML Check

HTML Validation Tool

Warnings

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

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