CaptainDNS service, SaaS platform for monitoring and analyzing internet infrastructure (DNS, email, web, HTTP monitoring, status pages)

Version 1.0 · Effective date: April 8, 2026

This English version is provided for information purposes only. The French version prevails in case of discrepancy. These Terms are governed by French law (see Article 15).

Preamble

These Terms of Service (hereinafter the "Terms" or the "General Terms") govern access to and use of the CaptainDNS service (hereinafter the "Service"), a SaaS platform for monitoring and analyzing internet infrastructure (DNS, email, web, HTTP monitoring, status pages) published and operated by ESPIERRE, a simplified joint-stock company (société par actions simplifiée) with a capital of €1,500, registered with the Paris Trade and Companies Register under number 941 858 557, whose registered office is located at 60 rue François 1er, 75008 Paris (hereinafter the "Publisher" or "we").

The Service is intended exclusively for professionals (legal entities and natural persons acting in the course of their professional activity), hereinafter the "Customer" or "you".

The Service is accessible through a Free Plan by default. Paid Plans offering extended features and limits are also available via Subscription. Provisions relating to payment, billing and Subscription (Articles 5, 6 and 7) apply solely to Paid Plans.

Any use of the Service, including via the Free Plan, implies full and unreserved acceptance of these Terms. In the event of any conflict between these Terms and any other contractual document, these Terms shall prevail, unless otherwise expressly agreed in writing by the Publisher.

Article 1 - Definitions

The terms defined below, whether used in the singular or plural, have the following meaning in these Terms:

"Subscription" means the Customer's subscription to a Paid Plan of the Service, for a defined term and price.

"Account" means the Customer's personal area, accessible by login and password, enabling access to the Service.

"Customer Data" means all data, DNS zone files, configurations and content transmitted, stored or generated by the Customer in connection with the use of the Service.

"Plan" means one of the Service offerings, free or paid, whose characteristics (features, limits, pricing where applicable) are described on the Website.

"Free Plan" means the offer granting access to the Service at no charge, subject to the feature limits described on the Website.

"Service" means the CaptainDNS SaaS platform and all associated features.

"Website" means the website accessible at https://www.captaindns.com, through which the Service is marketed and made available.

"User" means any natural person authorized by the Customer to access the Service under the Customer's Account.

Article 2 - Purpose

The purpose of these Terms is to define the conditions under which the Publisher provides the Customer with access to the CaptainDNS Service, both under the Free Plan and the Paid Plans, as well as the rights and obligations of the parties in this context.

Article 3 - Registration and account

3.1 Eligibility

The Service is reserved for professionals. By creating an Account, the Customer represents and warrants that it acts in the course of its professional activity and has the legal capacity required to enter into these Terms.

3.2 Account creation and free plan

Registration for the Service requires the provision of accurate, complete and up-to-date information, including: company name, professional email address and technical contact details. The Customer undertakes to update such information without delay in the event of any change.

Creating an Account automatically grants access to the Free Plan. The Customer may at any time subscribe to a Paid Plan from its Customer area.

3.3 Securing the account

The Customer is solely responsible for the confidentiality of its access credentials and for any activity carried out from its Account. The Customer undertakes to notify the Publisher immediately of any unauthorized use of its Account or any security breach it becomes aware of.

Article 4 - Description of the service

4.1 Features

CaptainDNS is a SaaS platform for monitoring and analyzing internet infrastructure, covering in particular the management and analysis of DNS zones, email supervision, web monitoring, HTTP uptime monitoring and hosting of status pages. The exact features available depend on the Plan chosen by the Customer and are described on the Website. The Free Plan is subject to usage limits (number of zones, queries, features) detailed on the Website.

4.2 Evolution of the service

The Publisher reserves the right to modify the Service, in particular by adding, altering or removing features. In the event of a substantial modification significantly reducing the functionality of a subscribed Paid Plan, the Customer will be informed with a reasonable notice of thirty (30) days and may terminate its Subscription without penalty. The Publisher also reserves the right to modify the limits of the Free Plan at any time, subject to informing the affected Customers.

4.3 Availability

The Publisher uses reasonable efforts to ensure the availability of the Service 24 hours a day, 7 days a week, subject to maintenance operations. The Publisher undertakes to inform the Customer, to the extent possible, of any scheduled maintenance likely to interrupt the Service. Applicable service level commitments (SLA), where relevant, are detailed in the documentation of the subscribed Plan or in a separate service level agreement. No availability commitment is provided for the Free Plan.

Article 5 - Paid plans, pricing and financial terms

This article applies exclusively to Paid Plans.

5.1 Available subscription plans

The Service is offered under various Paid subscription Plans whose characteristics, limits and pricing are presented on the Website.

5.2 Pricing

Prices are displayed in euros excluding taxes (HT) on the Website. Applicable VAT will be added to the pre-tax amount at the rate in force on the billing date. The Publisher reserves the right to modify its prices at any time. Any price change will be notified to the Customer at least thirty (30) days before it takes effect and will only apply upon renewal of the current Subscription.

5.3 Invoicing by the payment provider

Payments are processed by Paddle.com Market Limited (hereinafter "Paddle"), which acts as an authorized reseller (Merchant of Record) of the Service. In this capacity, Paddle is the contractual seller towards the Customer for all aspects related to the transaction: payment, invoicing, collection, VAT management, refunds, and buyer rights. Invoices are issued by Paddle on behalf of the Publisher. Paddle's Buyer Terms, available at https://www.paddle.com/legal/buyer-terms, apply to the Customer for all matters pertaining to the payment transaction. The Customer acknowledges having read them.

5.4 Billing

Billing occurs according to the frequency chosen by the Customer (monthly or annual). Invoices are issued by Paddle and made available in electronic format. The Customer expressly accepts electronic invoicing.

Article 6 - Payment

This article applies exclusively to Paid Plans.

6.1 Terms of payment

Payment is made by credit card or any other payment method accepted by Paddle. The Customer authorizes recurring automatic renewal according to the frequency of its Subscription. Transactions are secured by Paddle in accordance with PCI-DSS standards.

6.2 Late or failed payment

In the event of payment failure, the Customer will be notified by email and Paddle will carry out new payment attempts in accordance with its own procedures. Failing regularization within fifteen (15) days, the Publisher reserves the right to suspend access to the Service or to downgrade the Account to the Free Plan, until full payment of the sums due.

6.3 Late payment penalties

In accordance with articles L.441-10 et seq. of the French Commercial Code (Code de commerce), any late payment shall automatically trigger late payment penalties calculated at the interest rate applied by the European Central Bank to its most recent refinancing operation, increased by ten (10) percentage points, as well as a fixed recovery indemnity of forty (40) euros.

6.4 Billing descriptor on statements

The Customer is informed that transactions will appear on their bank or card statements under a descriptor associated with Paddle (for example: PADDLE.NET* or PADDLE.COM*), and not directly under the name CaptainDNS or ESPIERRE. For any question relating to an unrecognized transaction, the Customer is invited to contact Paddle support via https://www.paddle.com/support before initiating any dispute procedure with their bank.

Article 7 - Term, renewal and termination

7.1 Term

The Free Plan is accessible without any duration limit, subject to compliance with these Terms.

The Subscription to a Paid Plan is entered into for a duration corresponding to the frequency chosen (monthly or annual) from the subscription date.

7.2 Renewal

Unless terminated by either party under the conditions provided below, the Subscription to a Paid Plan is automatically renewed by tacit agreement for successive periods of the same duration.

7.3 Termination by the customer

Free Plan: the Customer may delete its Account at any time from its Customer area.

Paid Plan: the Customer may cancel the Subscription at any time from their Customer area. The cancellation takes effect at the end of the current subscription period. The Account is then downgraded to the Free Plan. No pro rata temporis refund will be made for the remaining period, subject to the following rights:

(i) Right of withdrawal (first subscription): In accordance with the applicable Paddle Buyer Terms, the Customer has a fourteen (14) day right of withdrawal from the date of the first paid subscription, without having to justify any reason. This right does not apply to subsequent renewals of the Subscription. To exercise this right, the Customer must contact Paddle support via https://www.paddle.com/support.

(ii) Exceptional refunds: Paddle may, in the cases provided for in its own terms (transaction error, suspicion of fraud, legal obligation), issue a full or partial refund at its sole discretion, in accordance with its internal procedures.

7.4 Termination by the publisher

The Publisher may terminate the Subscription or delete the Account as of right, without notice or compensation, in the event of a serious breach by the Customer of its obligations under these Terms, in particular in the event of use of the Service in breach of Article 8, after a formal notice remaining without effect for a period of fifteen (15) days.

The Publisher also reserves the right to delete any Account inactive for more than twelve (12) months, after prior email notification to the Customer.

7.5 Consequences of termination or account deletion

Upon expiration or termination of a Paid Subscription, the Customer retains access to the Service via the Free Plan and to its Customer Data within the limits of that Plan.

In the event of permanent Account deletion, the Customer has a period of thirty (30) days from the notification to export its Customer Data via the tools made available in the Service. After this period, the Publisher will proceed with the permanent deletion of Customer Data, except in the event of a legal retention obligation.

Article 8 - Customer obligations and responsibilities

8.1 Compliant use of the service

The Customer undertakes to use the Service in accordance with these Terms, the associated documentation and any applicable regulations. In particular, the Customer shall refrain from any use of the Service for illegal or fraudulent purposes, or in a manner that infringes third-party rights.

8.2 Responsibility for customer data

The Customer is solely responsible for the Customer Data it transmits, stores or generates via the Service. The Customer warrants that such data does not violate any legal or regulatory provision and does not infringe any third-party rights.

8.3 Prohibited uses of the service

Without this list being exhaustive, the Customer shall refrain from: (i) attempting to circumvent the security measures of the Service; (ii) using the Service to carry out cyberattacks (DDoS, phishing, etc.); (iii) reselling or sublicensing access to the Service without the prior written authorization of the Publisher; (iv) intentionally overloading the Service infrastructure.

The Customer also undertakes to comply with Paddle's Acceptable Use Policy, available at https://www.paddle.com/legal/aup, insofar as it applies to transactions processed through the Service.

Article 9 - Intellectual property

9.1 Rights of the publisher

The Service, including its structure, source code, interfaces, documentation, databases, trademarks and any associated content, is protected by intellectual property law. The Publisher grants the Customer a personal, non-exclusive, non-transferable and non-sublicensable right to use the Service, limited to the duration of the Subscription or use of the Free Plan.

9.2 Rights of the customer

The Customer retains all of its intellectual property rights over the Customer Data. The Customer grants the Publisher a limited, non-exclusive and revocable license to use the Customer Data solely for the purposes of providing and improving the Service.

Article 10 - Protection of personal data

10.1 Role of the publisher

In providing the Service, the Publisher acts as data controller for the personal data necessary for the management of the Account and the commercial relationship (identity, contact details, billing data, connection data). These processing activities are based on the performance of the contract (article 6.1.b of the GDPR).

10.2 Processing on behalf of the customer

When the Customer uses the Service to process personal data of third parties (for example, through DNS records containing personal data), the Publisher acts as a processor within the meaning of article 28 of the GDPR. A separate Data Processing Agreement (DPA) is available upon request at contact@captaindns.com.

10.3 Rights of data subjects

In accordance with the GDPR and the French Data Protection Act (loi Informatique et Libertés), data subjects have the right to access, rectify, erase, port, restrict and object to the processing of their data. These rights may be exercised by email at contact@captaindns.com.

10.4 Location of the data

Customer Data is hosted within the European Union. In the event of a transfer outside the EU, the Publisher undertakes to implement appropriate safeguards in accordance with chapter V of the GDPR (standard contractual clauses, adequacy decision, etc.).

10.5 List of sub-processors

The Publisher uses the following sub-processors to deliver the Service:

Sub-processor	Purpose	Location
Vercel Inc.	Hosting of the web interface (front-end)	EU
Fly.io Inc.	Hosting of the application infrastructure (back-end)	EU
Paddle.com Market Limited	Payment processing and billing	United Kingdom

The Customer is informed of and accepts the use of these sub-processors. The Publisher undertakes to notify the Customer prior to any change of sub-processor.

Article 11 - Limitation of liability

11.1 Best efforts obligation

The Publisher is bound by a best efforts obligation in the provision of the Service. It cannot be held liable for any interruption, error, data loss or any other incident resulting from force majeure, an act of the Customer or a third party, or a failure of telecommunications networks.

11.2 Case of the free plan

As the Service is provided free of charge under the Free Plan, the Publisher's liability is excluded within the limits permitted by law. The Publisher does not warrant any level of availability, performance or support for the Free Plan.

11.3 Liability cap for paid plans

In any event, the total and cumulative liability of the Publisher under Paid Plans, whatever the cause, is limited to the amount of the sums actually paid by the Customer during the twelve (12) months preceding the event giving rise to the damage.

11.4 Exclusion of indirect damages

The Publisher shall in no event be held liable for any indirect damages, including in particular loss of revenue, profits, data, clientele, business opportunities or any damage to brand image, even if the Publisher has been informed of the possibility of such damages.

Article 12 - Force majeure

Neither party shall be held liable for the non-performance of its obligations if such non-performance results from a case of force majeure within the meaning of article 1218 of the French Civil Code (Code civil). In the event of force majeure lasting more than three (3) months, either party may terminate the Subscription as of right, without compensation.

Article 13 - Confidentiality

Each party undertakes to treat as confidential all technical, commercial or financial information exchanged in connection with the Service. This confidentiality obligation shall survive for a period of three (3) years after the expiration or termination of the Subscription or the deletion of the Account.

Article 14 - Modification of the terms

The Publisher reserves the right to modify these Terms at any time. Any substantial modification will be notified to the Customer by email or via the Service with a thirty (30) day notice. Continued use of the Service after the modifications take effect constitutes acceptance of the new Terms. In case of refusal, the Customer may terminate its Subscription under the conditions provided in article 7.3 or delete its Account.

Article 15 - Governing law and jurisdiction

These Terms are governed by French law. Any dispute relating to their interpretation, performance or termination shall be submitted to the exclusive jurisdiction of the Paris Commercial Court (Tribunal de Commerce de Paris), notwithstanding plurality of defendants or third-party proceedings.

Article 16 - Miscellaneous

16.1 Entirety of the agreement

These Terms constitute the entire agreement between the parties regarding their subject matter and supersede any prior agreement, commitment or statement.

16.2 Severability

If any provision of these Terms is declared void or unenforceable by a competent court, the other provisions shall remain in force and continue to produce their effects.

16.3 Absence of waiver

The fact that one party does not invoke a breach by the other party of any of the obligations set forth in these Terms shall not be construed as a waiver of the obligation in question.

16.4 Assignment

The Customer may not assign all or part of its rights and obligations under these Terms without the prior written consent of the Publisher. The Publisher may freely assign these Terms in the context of a restructuring, merger, acquisition or asset transfer.

Publisher: ESPIERRE, SAS with a capital of €1,500
Registered office: 60 rue François 1er, 75008 Paris
Paris Trade and Companies Register: 941 858 557
SIRET: 941 858 557 00015
VAT ID: FR21941858557
Publication director: Matthieu Espaze
Web interface hosting (front-end): Vercel Inc., 440 N Barranca Avenue #4133, Covina, CA 91723, United States. Contact: privacy@vercel.com
Application infrastructure hosting (back-end): Fly.io Inc., hosted within the European Union
Contact: contact@captaindns.com · Phone: +33 6 18 19 71 99