Congstar.de congstar | Mobilfunk | Smartphones | 5G | Festnetz- und Handytarife

Mobilfunkanbieter des Jahres und zwar nicht ohne Grund ✔ Günstig ✔ Fair ✔ Verträge mit und ohne Laufzeit ✔ 5G Option zum Surfen mit bis zu 50Mbit/s!

Congstar.de Overview

Congstar.de is a leading mobile telecommunication company in Germany. As indicated by its title, the site is recognized as the Best Mobile Phone Service Provider in 2018. Congstar boasts of being a multiple award-winning mobile network, offering quality services in the country. The website is designed to showcase the company's competitive advantages, including its fair pricing, wide range of current mobile handsets, various all-net flat-rate subscriptions, short and long-term contracts, as well as high-speed internet options of up to 50 Mbps.

The website has an average daily visitor count of 8512 unique users, who generate over 39836.16 page views every day. This traffic is responsible for the site's estimated worth of US $700,800. Congstar.de is hosted by the T-Systems Multimedia Solutions GmbH hosting company, which ensures that the site is always available to its users.

The top-level domain for the site is .DE. This is the specific domain used for websites registered and hosted in Germany. Additionally, the site has an SSL certificate issued by COMODO CA Limited. This certificate ensures all communication between the users and the site is secure, preventing any unauthorized interceptions.

The site prides itself on being family-friendly, meaning it has no vulgar or offensive content that would be inappropriate for children. Its services are open to all ages, making it an ideal option for families looking for affordable mobile network services.

The site's PageSpeed Insights scores present a challenge as it currently scores lower than optimal in terms of speed. With a score of 33 points, the site can improve its performance by optimizing the images, reducing the number of HTTP requests, and utilizing browser caching.

Structurally, the website is well organized, with a user-friendly interface. The top menu has five essential categories: Mobile, Internet, Customer Area, Help, and Shop. These categories provide easy access to a wide range of services and information that the users may need. The website also includes a search bar that allows users to locate information quickly. Overall, Congstar.de provides a reliable and user-oriented website for customers to access their services.

Congstar.de Rank Summary

Global Rank
16,566
Average Load Time
1.23sec
Links In Count
252
Website Value
$701,501

Congstar.de Website Safety

logo
Overview
Last Updated: 04/19/2025
Overall result - congstar.de 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 logo
Norton Connect Safe
Last Updated: 03/21/2025
congstar.de is safe.
Norton ConnectSafe evaluates congstar.de for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 10/12/2016
congstar.de 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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
congstar.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: 02/22/2021
congstar.de is safe.
McAfee assesses congstar.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 congstar.de for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/09/2019
congstar.de child safety is very good.
The WOT calculates reputation of the congstar.de. This reputation system receives ratings from users and information from third-party sources, assesses the congstar.de for safety features and confirms, whether congstar.de is suitable for children.

SSL Information
Domain*.congstar.de
Issuer OrganizationDeutsche Telekom Security GmbH
IssuerTelekom Security ServerID OV Class 2 CA
AlgorithmRSA-SHA256
Valid form03/20/2024
Expiration03/24/2025
SignedCertificate is not self signed
Additional Domains *.congstar.de
congstar.de

Congstar.de Rank History

Congstar.de Hosting Information

Server Location

ASN Information

ASN ID: 3320

ASN Title: Deutsche Telekom AG

Last Update: 04/10/2025

% 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 'AS3209 - AS3353'

as-block: AS3209 - AS3353
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: 2010-05-11T11:44:28Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS3320'

% Abuse contact for 'AS3320' is 'auftrag@nic.telekom.de'

aut-num: AS3320
as-name: DTAG
org: ORG-DTA2-RIPE
descr: Internet service provider operations
remarks: peering coordinators for AS3320:
remarks: abuse reports should be sent to the contacts
listed in the registry entries for the IP address of the
offending host system
remarks: We share the view that for many networks (including ours:-)
only some abstraction of the actual routing policy should/can
be published in the IRR.
Right now we are abstracting to a very essential minimum.
remarks: the most important and helpful use of the IRR is
to publish what a network will announce to peers and upstream
# we are providing that by means of the AS-set AS3320:AS-DTAG
# which we have been keeping up to date all the time
remarks: we encourage all our neighbors to define and maintain an
AS-set to describe their announcements, and to register
all the routes (and have their customers do so as well)
import: # heavy abstraction hits! well, we are ...
from AS-ANY # neither peering promiscuously
accept ANY # nor accepting all junk routes offered...
remarks: we maintain a list of what our neighbors have told us
about their announcements towards AS3320 - in terms of
AS-set (preferred), AS number, route-set
(and the IRR database used to publish)
remarks: in fact we apply route filters based on this
for all neighbors - as far as feasible
remarks: for data published through the RIPE routing registry
we generate filters automatically
remarks: we consider the integration of RIR and routing registry data
and the application of RPSS authorization a great feature
of the RIPE routing registry
# unfortunately this benefit is not available with any
# other IRR database that we know of...
# and some of the IRR databases allow essentially any garbage
# to be registered without any control - making those databases
# quite useless...
export: to AS3320:AS-CUSTOMERS # but don't publish that list;
announce ANY # in general - if they ask for less, we can do
export: to AS-ANY # for peers and others...
announce AS3320:AS-DTAG
# for backwards compatibility the older AS-DTAG
# will be kept around for some more time -
# defined using just members: AS3320:AS-DTAG
# please convert to AS3320:AS-DTAG if you are still
# using the old AS-DTAG
remarks: customers are strongly encouraged to define and maintain
an AS-set that we will include in the definition
of AS3320:AS-DTAG (if we are told the name)
remarks: this will be sufficient to have our peers accept the routes
remarks: in any case peers - and any network in the Internet -
is free to apply some selective policy (e.g. prefix
length based)
# but we do not think that any such selective policy
# will be based on details of our routing policy omitted
# from this aut-num: object
remarks: unfortunately some customers do not provide usable IRR data;
we will NOT add to the uncontrolled garbage in the IRR by
proxy registering in some database that requires no
authorization
remarks: we advise customers that routes without IRR registration
and not covered by AS3320:AS-DTAG may receive less than
full support by some of our peer networks and other
parts of the Internet
remarks: ==============================================================
IPv6 we do/publish essentially the same like for IPv4
mp-import: afi ipv6.unicast # heavy abstraction...
from AS-ANY # neither peering promiscuously
accept ANY # nor accepting all junk routes offered...
mp-export: afi ipv6.unicast
to AS3320:AS-CUSTOMERS-V6 # but don't publish that list;
announce ANY # in general - if they ask for less, we can do
mp-export: afi ipv6.unicast
to AS-ANY # for peers and others...
announce AS3320:AS-DTAG-V6
remarks: ==============================================================
admin-c: RV32
tech-c: RV32
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
tech-c: BP32-RIPE
mnt-by: DTAG-RR
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:13:45Z
source: RIPE

organisation: ORG-DTA2-RIPE
org-name: Deutsche Telekom AG
org-type: LIR
address: Eduard-Schopf-Allee 1
address: D-28217
address: Bremen
address: GERMANY
phone: +491607069891
fax-no: +494412344589
admin-c: DTAG-RIPE
admin-c: MR22061-RIPE
admin-c: UR661-RIPE
admin-c: SL7866-RIPE
admin-c: VZ56-RIPE
admin-c: SP8519-RIPE
admin-c: REIS1-RIPE
admin-c: HI56-RIPE
admin-c: PB4856-RIPE
admin-c: MBT1-RIPE
admin-c: BP32-RIPE
admin-c: LB470-RIPE
admin-c: ES4155-RIPE
admin-c: RV32
admin-c: PA3357-RIPE
admin-c: SB15220-RIPE
admin-c: KUNO2-RIPE
admin-c: HB3076-RIPE
admin-c: LF1459-RIPE
admin-c: KB6787-RIPE
abuse-c: DTAG3-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: DTAG-NIC
mnt-by: RIPE-NCC-HM-MNT
mnt-by: DTAG-NIC
created: 2004-04-17T11:12:44Z
last-modified: 2018-05-08T12:28:26Z
source: RIPE # Filtered

person: Berthold Paffrath
address: Deutsche Telekom AG, Internet Services
address: Postfach 2767
address: D-48014 Muenster
phone: +49 251 910 351
fax-no: +49 251 910 399
nic-hdl: BP32-RIPE
mnt-by: DTAG-RR
created: 1970-01-01T00:00:00Z
last-modified: 2001-09-21T23:34:28Z
source: RIPE # Filtered

person: Ruediger Volk
address: Deutsche Telekom AG, Zentrum IOT
address: Postfach 2767
address: D-48014 Muenster
phone: +49 251 910 351
fax-no: +49 251 910 399
nic-hdl: RV32
mnt-by: DTAG-RR
created: 1970-01-01T00:00:00Z
last-modified: 2001-09-21T23:34:30Z
source: RIPE # Filtered

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

Congstar.de Domain Registration and Settings

WHOIS

Domain: congstar.de
Status: connect


DNS Records
HostA RecordTTL
congstar.de83.125.118.4386400
HostMX RecordPriorityTTL
congstar.demail.congstar.de1086400
HostNS RecordTTL
congstar.desupport.mesch.dtag.de86400
congstar.depns.dtag.de86400
congstar.desecondary006.dtag.net86400
HostTXT RecordTTL
congstar.dev=spf1 a mx ptr include:_spf.mailout.mms-support.de ~all86400
congstar.degoogle-site-verification=tOPd1Kz05VB16KTw6eCDG_ok2T0zUDz0ELnhb-gRHsY86400

support.mesch.dtag.de
TTL: 86400
Email address: root.tcommerce.de
Serial: 2019062400
Refresh: 10800
Retry: 3600
Expire: 3600000
Minimum: 86400

Congstar.de HTML Check


Errors
Warnings

Congstar.de Desktop Performance

Last tested: 12/06/2019

Speedometer image
Desktop Speed
63%

Desktop Resource Breakdown
Total Resources99
Number of Hosts19
Static Resources81
JavaScript Resources40
CSS Resources8

Congstar.de Mobile Insights

Last tested: 10/07/2018

Speedometer image
Mobile Usability
99%
Speedometer image
Mobile Speed
33%

Mobile Resource Breakdown
Total Resources238
Number of Hosts61
Static Resources95
JavaScript Resources59
CSS Resources7

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