Stéphane Bortzmeyer
![Stéphane Bortzmeyer](https://www.afnic.fr/wp-media/uploads/2021/04/Stephane-Bortzmeyer.jpg)
Poste
R&D expert engineer
Biographie
Stéphane Bortzmeyer worked as a system and/or network engineer in several organisations (engineering school, research institute, Internet operator) before joining Afnic. He works on technical standardisation, training, DNS expertise and a number of other topics. Stéphane is the author of the book “Cyberstructure / L'Internet, un espace politique” (“Cyberstructure / The Internet is a political space”) published by C&F Éditions and of three RFCs (“Requests For Comments”, Internet technical standards).
Articles
![emoji](https://www.afnic.fr/wp-media/uploads/2024/07/header-blog-emoji-293x160.jpg)
Can emojis be used in a domain name?
You may sometimes see emojis – those little pictograms used ...
![header-blog-investigation](https://www.afnic.fr/wp-media/uploads/2024/06/header-blog-investigation-293x160.jpg)
Finding social information associated with a domain name
(or “OK, WHOIS, but apart from that?”)Every domain name ...
![serveur](https://www.afnic.fr/wp-media/uploads/2024/02/header-blog-prague-293x160.jpg)
New .fr name server added, in Prague
Viewed from the outside, name resolution for .fr operates 24 ...
![RDAP](https://www.afnic.fr/wp-media/uploads/2023/10/header-blog-RDAP-latence-293x160.jpg)
The importance of HTTP persistent connections (for RDAP, for example)
![DNSSEC](https://www.afnic.fr/wp-media/uploads/2023/03/header-blog-DNSSEC-2023-293x160.jpg)
Adopting DNSSEC is never too late
DNSSEC is an old technology, the current version having been ...
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
Using the .fr API with Elixir (4/4)
We’ve presented the general workings of the .fr API and we’ve ...
![RDAP](https://www.afnic.fr/wp-media/uploads/2022/11/header-blog-RDAP-293x160.jpg)
![RDAP](https://www.afnic.fr/wp-media/uploads/2022/11/header-blog-RDAP-293x160.jpg)
RDAP, obtaining information on a domain name
To obtain information on a domain name, for example on its holder’s ...
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
Using the .fr API with Go (3/4)
We’ve presented the general workings of the .fr API and we’ve ...
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
Using the .fr API with Python (2/4)
We’ve presented the general workings of the .fr API. Let’s ...
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
![API du .fr](https://www.afnic.fr/wp-media/uploads/2022/10/header-blog-API-293x160.jpg)
The .fr API for Registrars (1/4)
Since 1 October 2022, the .fr Registrars have had an API (Application ...
![dans un bureau d'enregistrement](https://www.afnic.fr/wp-media/uploads/2022/09/header-blog-bureau-enregistrement-293x160.jpg)
![dans un bureau d'enregistrement](https://www.afnic.fr/wp-media/uploads/2022/09/header-blog-bureau-enregistrement-293x160.jpg)
What happens at the registrar
We’ve already talked here about how a domain name registry ...
![Rapport Activité 2020](https://www.afnic.fr/wp-media/uploads/2021/06/header-news-raport-activite-2020-293x160.jpg)
![Rapport Activité 2020](https://www.afnic.fr/wp-media/uploads/2021/06/header-news-raport-activite-2020-293x160.jpg)
New TCP standard, RFC 9293
A new technical standard called “RFC 9293” was published ...
![encryption](https://www.afnic.fr/wp-media/uploads/2022/07/header-blog-NIST-293x160.jpg)
![encryption](https://www.afnic.fr/wp-media/uploads/2022/07/header-blog-NIST-293x160.jpg)
NIST announces the winners of the post-quantum competition
On July 5th, 2022, US standards institute NIST announced the ...
![http](https://www.afnic.fr/wp-media/uploads/2022/02/header-blog-http-293x160.jpg)
![http](https://www.afnic.fr/wp-media/uploads/2022/02/header-blog-http-293x160.jpg)
Reorganisation of the technical standards for HTTP
You will certainly be familiar with the HTTP protocol (Hypertext ...
![NFT domains](https://www.afnic.fr/wp-media/uploads/2022/02/header-blog-NFT-domains-293x160.jpg)
![NFT domains](https://www.afnic.fr/wp-media/uploads/2022/02/header-blog-NFT-domains-293x160.jpg)
NFTs and domain names, friends and partners?
NFTs are much in fashion. In the context of domains, they have even been cited in an ICANN conflict....