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Fir.de Overview

Fir.de belongs to RWTH Aachen University. Check the list of other websites hosted by RWTH Aachen University.

In terms of rank-to-traffic ratio, fir.de has 1,565 unique users per day, viewing 3,162 pages. The rank based value of fir.de is 2,333 USD. Every user makes 2.16 pageviews on average.

Fir.de boasts a link base consisting of 142 referring domains and 169 external backlinks, as revealed by the data obtained from web network scanning.

Fir.de top-level domain belongs to .DE domain zone. Check other webpages in .DE zone.

According the last verification test in July 13, 2022, fir.de has an expired SSL certificate issued by Let's Encrypt (expired on August 21, 2022). 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 and Symantec fir.de is a fairly safe domain.

According the Mobile-Friendly test by Google fir.de is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Fir.de Website Safety

logo
Overview
Last Updated: 10/23/2026
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 logo
Norton Connect Safe
Last Updated: 03/15/2026
fir.de is safe.
Norton ConnectSafe evaluates fir.de for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 10/23/2026
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 brwosing logo
Google Safe Browsing
Last Updated: 01/10/2019
fir.de 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.
McAfee logo
Site Advisor
Last Updated: 04/11/2021
fir.de is safe.
McAfee assesses fir.de 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 fir.de for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 10/23/2026
fir.de child safety is unknown.
The WOT calculates reputation of the fir.de. This reputation system receives ratings from users and information from third-party sources, assesses the fir.de for safety features and confirms, whether fir.de is suitable for children.

SSL Information
Domainfir.de
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form05/23/2022
Expiration08/21/2022
SignedCertificate is not self signed
Additional Domains *.fir.de
fir.de

Fir.de Rank History

Fir.de Hosting Information

Server Location

ASN Information

ASN ID: 47610

ASN Title: RWTH Aachen University

Last Update: 11/29/2025

% 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 'AS47104 - AS52223'

as-block: AS47104 - AS52223
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS47610'

% Abuse contact for 'AS47610' is 'abuse@rwth-aachen.de'

aut-num: AS47610
as-name: RWTH-AS
org: ORG-RAU1-RIPE
import: from AS34953 accept AS34953 OR { 62.112.64.0/19, 91.102.136.0/21, 194.99.73.0/24, 195.137.234.0/23 }
export: to AS34953 announce { 134.61.0.0/16, 134.130.0.0/16, 137.226.0.0/16, 192.35.229.0/24 }
import: from AS680 accept ANY
export: to AS680 announce AS47610
import: from AS5520 accept AS5520
export: to AS5520 announce { 134.61.0.0/16, 134.130.0.0/16, 137.226.0.0/16, 192.35.229.0/24 }
mp-import: afi ipv6.unicast from AS680 accept ANY
mp-export: afi ipv6.unicast to AS680 announce { 2a00:8a60::/32 }
admin-c: NN2136-RIPE
tech-c: CJV25-RIPE
tech-c: NN2136-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: RWTH1-MNT
mnt-routes: RWTH1-MNT
mnt-routes: RWTH4-MNT
created: 2015-05-11T11:57:39Z
last-modified: 2017-11-15T12:33:57Z
source: RIPE

organisation: ORG-RAU1-RIPE
org-name: RWTH Aachen University
org-type: LIR
address: Templergraben 55
address: 52056
address: Aachen
address: GERMANY
phone: +49 241 80 24680
fax-no: +49 241 80 22666
admin-c: NN2136-RIPE
tech-c: CJV25-RIPE
tech-c: NN2136-RIPE
tech-c: RLIR1-RIPE
abuse-c: AR32014-RIPE
mnt-ref: RWTH1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: RWTH1-MNT
mnt-ref: RIPE-NCC-HM-MNT
created: 2015-04-29T13:43:42Z
last-modified: 2017-02-18T08:46:34Z
source: RIPE # Filtered

person: Christoph Viethen
address: RWTH Aachen
address: IT Center
address: Wendlingweg 10
address: 52074 Aachen
address: Germany
phone: +49 241 80 29204
nic-hdl: CJV25-RIPE
mnt-by: RWTH1-MNT
created: 2015-04-29T14:44:54Z
last-modified: 2015-04-29T14:56:55Z
source: RIPE # Filtered

person: Nils Neumann
address: RWTH Aachen
address: IT Center
address: Wendlingweg 10
address: 52074 Aachen
address: Germany
phone: +49 241 80 29214
nic-hdl: NN2136-RIPE
mnt-by: RWTH1-MNT
created: 2015-04-29T13:43:41Z
last-modified: 2015-04-29T15:21:02Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)

Fir.de Domain Registration and Settings

WHOIS

Domain: fir.de
Status: connect


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Fir.de HTML Check

Fir.de Mobile Insights

Last tested: 08/02/2018

Speedometer image
Mobile Usability
63%
Speedometer image
Mobile Speed
32%

Mobile Resource Breakdown
Total Resources41
Number of Hosts4
Static Resources37
JavaScript Resources3
CSS Resources4

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