ESO, European Organisation for Astronomical Research in the Southern Hemisphere

Online Status

Server IP address resolved: Yes
Http response code: 200
Response time: 1.84 sec.
Last Checked: 06/15/2024

Over the time has been ranked as high as 3,143 in the world, while most of its traffic comes from United States, where it reached as high as 53,238 position. receives about 4,576 unique visitors and 15,101 pageviews per day. The estimated value of is 262,800 USD. Each unique visitor makes about 3.3 pageviews on average. is registered under .ORG top-level domain. Check other websites in .ORG zone.

At the time of the last check (November 27, 2019) has an expired SSL certificate issued by Verein zur Foerderung eines Deutschen Forschungsnetzes e. V. (expired on August 17, 2021). Check other websites using SSL certificates issued by Verein zur Foerderung eines Deutschen Forschungsnetzes e. V..

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust is quite a safe domain.

Mobile-Friendly test indicates that is well optimized for mobile and tablet devices.

Global Rank
Average Load Time
Links In Count
Website Value

Last Updated: 07/23/2024
Overall result - "" 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: 03/21/2024 is safe.

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

Google Safe Search
Last Updated: 02/10/2019 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
Malware not found at "".
"" is not a phishing page.
"" does not install unwanted software.
"" does not contain harmfull applications.
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: 02/22/2021 is safe.

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

Web of Trust
Last Updated: 01/09/2019 child safety isvery good.

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

SSL Information
Issuer OrganizationVerein zur Foerderung eines Deutschen Forschungsnetzes e. V.
Issuer DFN-Verein Global Issuing CA
Algorithm RSA-SHA256
Valid form 05/16/2019
Expiration 08/17/2021
SignedCertificate is not self signed
Additional Domains
Server Location
Garching bei Munchen
ASN Information

ASN ID: 2117
ASN Title: European Southern Observatory

Last Update: 07/18/2024

% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See

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

% Information related to 'AS2057 - AS2136'

as-block: AS2057 - AS2136
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
created: 2018-11-22T15:27:16Z
last-modified: 2018-11-22T15:27:16Z
source: RIPE

% Information related to 'AS2117'

% Abuse contact for 'AS2117' is ''

aut-num: AS2117
descr: Garching, Germany
descr: interconnect via Munich Ebone RBS, ESA etc.
import: from AS1273 action pref=100; accept ANY
import: from AS288 action pref=50; accept AS288 AS137
export: to AS1273 announce AS2117
export: to AS288 announce AS2117
default: to AS1273 action pref=100; networks ANY
admin-c: MN3125-RIPE
tech-c: FH1315-RIPE
status: ASSIGNED
mnt-by: DFN-LIR-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:12:37Z
source: RIPE # Filtered
sponsoring-org: ORG-DV1-RIPE

organisation: ORG-ESO5-RIPE
org-name: European Southern Observatory
org-type: OTHER
address: Karl Schwarzschild Str. 2
address: 85748 Garching
address: Germany
admin-c: FH1315-RIPE
admin-c: DS17167-RIPE
admin-c: KB7530-RIPE
admin-c: JD10640-RIPE
tech-c: FH1315-RIPE
tech-c: DS17167-RIPE
tech-c: KB7530-RIPE
tech-c: JD10640-RIPE
abuse-c: ESOA1-RIPE
mnt-ref: DFN-LIR-MNT
mnt-by: DFN-LIR-MNT
created: 2014-10-28T10:10:41Z
last-modified: 2019-08-20T13:40:27Z
source: RIPE # Filtered

person: Florian Heissenhuber
address: European Southern Observatory
address: Karl-Schwarzschildstr. 2
address: 85748 Garching
address: Germany
phone: +49 89 32006 165
fax-no: +49 89 32023 62
nic-hdl: FH1315-RIPE
mnt-by: DFN-NTFY
created: 2006-10-20T14:50:27Z
last-modified: 2015-03-23T14:39:43Z
source: RIPE # Filtered

person: Michael Naumann
address: European Southern Observatory
address: Karl-Schwarzschildstr. 2
address: 85748 Garching
address: Germany
phone: +49 89 32006 333
fax-no: +49 89 32023 62
nic-hdl: MN3125-RIPE
mnt-by: DFN-NTFY
created: 2006-10-24T11:35:15Z
last-modified: 2006-10-24T11:35:15Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.103 (HEREFORD)


Domain Name: ESO.ORG
Registry Domain ID: D2714108-LROR
Registrar WHOIS Server:
Registrar URL:
Updated Date: 2019-12-20T09:16:00Z
Creation Date: 1991-02-06T05:00:00Z
Registry Expiry Date: 2023-02-07T05:00:00Z
Registrar Registration Expiration Date:
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: ok
Registrant Organization: ESO - European Southern Observatory
Registrant State/Province: Bavaria
Registrant Country: DE
Name Server: HQ-000-NS06.HQ.ESO.ORG
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form
>>> Last update of WHOIS database: 2021-04-27T08:44:18Z

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
eso.orgv=spf1 ip4: ip4: ~all86400
TTL: 86400
Email address:
Serial: 2019062102
Refresh: 900
Retry: 900
Expire: 604800
Minimum: 300


Last tested: 05/24/2017

Desktop Speed
Desktop Resource Breakdown
Total Resources53
Number of Hosts12
Static Resources41
JavaScript Resources10
CSS Resources4

Last tested: 05/24/2017

Mobile Usability
Mobile Speed
Mobile Resource Breakdown
Total Resources54
Number of Hosts12
Static Resources42
JavaScript Resources10
CSS Resources4