Cerin.org ranking shows that the page is at position 1,467,994 over the world.
Cerin.org hosting company servers are placed in the France, but, unfortunately, it’s not possible to identify the countries where the bulk of cerin.org users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on Alfa-Safety SARL servers.
In terms of rank-to-traffic ratio, cerin.org has 503 unique users per day, viewing 508 pages. The rank based value of cerin.org is 3,154 USD. Every user makes 1.08 pageviews on average.
Cerin.org boasts a link base consisting of 416 referring domains and 518 external backlinks, as revealed by the data obtained from web network scanning.
Cerin.org top-level domain belongs to .ORG domain zone. Check other webpages in .ORG zone.
According the last verification test in July 28, 2023, cerin.org has an expired SSL certificate issued by Let's Encrypt (expired on September 21, 2023). 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 cerin.org is a fairly safe domain.
According the Mobile-Friendly test by Google cerin.org is nice optimized for mobile devices and tablets, however the webpage speed could be improved.





| Domain | cerin.org |
| Issuer Organization | Let's Encrypt |
| Issuer | R3 |
| Algorithm | RSA-SHA256 |
| Valid form | 06/23/2023 |
| Expiration | 09/21/2023 |
| Signed | Certificate is not self signed |
| Additional Domains |
cerin.org www.cerin.org |
Alexa Rank shows how popular cerin.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If cerin.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 cerin.org and pageviews on cerin.org over the past 3 months.
ASN ID: 20529
ASN Title: Alfa-Safety SARLLast Update: 12/25/2025
% 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 'AS20485 - AS20857'
as-block: AS20485 - AS20857
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS20529'
% Abuse contact for 'AS20529' is 'support@alfa-safety.fr'
aut-num: AS20529
as-name: AS1_ALFA-SAFETY
descr: Alfa-safety
org: ORG-CISP1-RIPE
import: from AS12876 action pref=100; accept ANY
export: to AS12876 announce AS20529
admin-c: NC876-RIPE
tech-c: NC876-RIPE
status: ASSIGNED
mnt-by: CYB-NET
mnt-by: RIPE-NCC-END-MNT
created: 2001-11-21T14:08:11Z
last-modified: 2022-03-21T11:59:46Z
source: RIPE # Filtered
organisation: ORG-CISP1-RIPE
org-name: Alfa-Safety SARL
country: FR
org-type: LIR
address: 15 rue Lamoriciere
address: 44100
address: NANTES
address: FRANCE
phone: +33 2 51 84 34 00
phone: +33 2 51 84 34 05
fax-no: +33 2 51 84 34 09
abuse-c: AR15222-RIPE
admin-c: AM43001-RIPE
admin-c: NC876-RIPE
tech-c: AM43001-RIPE
mnt-ref: CYB-NET
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CYB-NET
created: 2004-04-17T11:21:36Z
last-modified: 2020-12-16T13:30:01Z
source: RIPE # Filtered
role: NOC Alfa-safety
address: 4 rue des Olivettes
address: Passage Douard, Bat 7
address: 44000 NANTES
address: FRANCE
phone: +33 2 51 84 34 00
fax-no: +33 2 51 84 34 09
remarks: trouble: reseau@alfa-safety.fr
admin-c: AM43001-RIPE
tech-c: AM43001-RIPE
nic-hdl: NC876-RIPE
mnt-by: CYB-NET
created: 1970-01-01T00:00:00Z
last-modified: 2022-03-16T09:38:50Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.106 (SHETLAND)
Domain Name: cerin.org
Registry Domain ID: 90b0a0509aae49b99c220e1cc10acb3a-LROR
Registrar WHOIS Server: http://whois.namebay.com
Registrar URL: http://www.namebay.com
Updated Date: 2024-06-30T07:28:39Z
Creation Date: 1997-08-01T04:00:00Z
Registry Expiry Date: 2025-07-31T04:00:00Z
Registrar: Namebay SAM
Registrar IANA ID: 88
Registrar Abuse Contact Email: abuse@namebay.com
Registrar Abuse Contact Phone: +377.97706164
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: CENTRE RECHERCHES ET INFORMATION NUTRITIONNELLES
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: FR
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.
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: dns1.namebay.com
Name Server: dns2.namebay.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-22T14:43:10Z
| Host | A Record | TTL |
|---|---|---|
| cerin.org | 217.147.196.162 | 10 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| cerin.org | cerin-org.mail.protection.outlook.com | 4 | 10 |
| Host | NS Record | TTL |
|---|---|---|
| cerin.org | dns1.namebay.com | 10 |
| cerin.org | dns2.namebay.com | 10 |
| Host | TXT Record | TTL |
|---|---|---|
| cerin.org | MS=ms78177177 | 10 |
| cerin.org | v=spf1 mx a ptr ip4:93.187.41.97 ip4:93.187.41.98 include:spf.protection.outlook.com include:spf.mailjet.com ~all | 10 |
| cerin.org | v=spf1 mx a ptr ip4:93.187.41.97 ip4:93.187.41.98 include:spf.protection.outlook.com include:_spf.google.com ~all | 10 |
dns1.namebay.com
TTL: 10
Email address: admin.validname.com
Serial: 2019030117
Refresh: 10800
Retry: 600
Expire: 1209600
Minimum: 3600
Last tested: 05/05/2017

| Total Resources | 154 |
| Number of Hosts | 12 |
| Static Resources | 41 |
| JavaScript Resources | 52 |
| CSS Resources | 30 |
Last tested: 04/29/2017


| Total Resources | 153 |
| Number of Hosts | 12 |
| Static Resources | 41 |
| JavaScript Resources | 52 |
| CSS Resources | 30 |