Black-holes.org Home - SXS - Simulating eXtreme Spacetimes

The SXS project is a collaborative research effort involving multiple institutions. Our goal is the simulation of black holes and other extreme spacet...

Online Status
UNKNOWN

Black-holes.org receives about 2,063 unique visitors and 4,126 pageviews per day. The estimated value of black-holes.org is 3,120 USD. Each unique visitor makes about 2 pageviews on average.

Black-holes.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

At the time of the last check (May 04, 2024) black-holes.org has an invalid SSL certificate.

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

Mobile-Friendly test indicates that black-holes.org is well optimized for mobile and tablet devices, however website page loading time could be improved.



Overview
Last Updated: 05/04/2024
Overall result - "black-holes.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: 02/06/2024
black-holes.org is safe.

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

Google Safe Search
Last Updated: 10/25/2019
black-holes.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
Malware not found at "black-holes.org".
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"black-holes.org" does not install unwanted software.
"black-holes.org" 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: 03/04/2021
black-holes.org is safe.

McAfee assesses black-holes.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 black-holes.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/12/2019
black-holes.org child safety isvery good.

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

SSL Information
WARNING! Black-holes.org is not secured by SSL certificate.
Server Location
Pasadena
California
United States
ASN Information

Last Update: 03/05/2024

#
# 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: 31
ASName: CIT
ASHandle: AS31
RegDate: 1984-09-20
Updated: 2003-08-07
Ref: https://rdap.arin.net/registry/autnum/31

OrgName: California Institute of Technology
OrgId: CIT-4
Address: 1200 East California Boulevard
Address: MS 1-10
City: Pasadena
StateProv: CA
PostalCode: 91125
Country: US
RegDate:
Updated: 2017-08-17
Ref: https://rdap.arin.net/registry/entity/CIT-4

OrgAbuseHandle: CI2-ORG-ARIN
OrgAbuseName: Caltech Network Operations Center
OrgAbusePhone: +1-626-395-3500
OrgAbuseEmail: noc@caltech.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

OrgTechHandle: CI2-ORG-ARIN
OrgTechName: Caltech Network Operations Center
OrgTechPhone: +1-626-395-3500
OrgTechEmail: noc@caltech.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

RTechHandle: CI2-ORG-ARIN
RTechName: Caltech Network Operations Center
RTechPhone: +1-626-395-3500
RTechEmail: noc@caltech.edu
RTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-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.
#

WHOIS

Domain Name: BLACK-HOLES.ORG
Registry Domain ID: D107189511-LROR
Registrar WHOIS Server: whois.names4ever.com
Registrar URL: www.aplus.net
Updated Date: 2021-08-15T06:56:30Z
Creation Date: 2005-08-15T17:13:58Z
Registry Expiry Date: 2023-08-15T17:13:58Z
Registrar Registration Expiration Date:
Registrar: Deluxe Small Business Sales, Inc. d/b/a Aplus.net
Registrar IANA ID: 52
Registrar Abuse Contact Email: dns@cs.aplus.net
Registrar Abuse Contact Phone: +1.8557918966
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Caltech
Registrant State/Province: CA
Registrant Country: US
Name Server: NS2.ABAC.COM
Name Server: NS1.ABAC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-05-23T20:32:03Z

DNS Records
HostA RecordTTL
black-holes.org131.215.193.11586400
HostMX RecordPriorityTTL
black-holes.orgASPMX.L.GOOGLE.COM186400
black-holes.orgALT4.ASPMX.L.GOOGLE.COM1086400
black-holes.orgALT3.ASPMX.L.GOOGLE.COM1086400
black-holes.orgALT1.ASPMX.L.GOOGLE.COM586400
black-holes.orgALT2.ASPMX.L.GOOGLE.COM586400
HostNS RecordTTL
black-holes.orgns3.aplus.net86400
black-holes.orgns1.aplus.net86400
black-holes.orgns2.aplus.net86400
HostTXT RecordTTL

ns1.aplus.net
TTL: 86400
Email address: hostmaster.aplus.net
Serial: 2018080909
Refresh: 7200
Retry: 86400
Expire: 3600000
Minimum: 86400

Errors
Warnings

Last tested: 06/06/2016

Desktop
Desktop Speed
39%
Desktop Resource Breakdown
Total Resources87
Number of Hosts6
Static Resources72
JavaScript Resources26
CSS Resources14

Last tested: 12/17/2019

Mobile
Mobile Usability
98%
Mobile Speed
42%
Mobile Resource Breakdown
Total Resources91
Number of Hosts6
Static Resources79
JavaScript Resources26
CSS Resources14
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