Piet Beertema

Piet Beertema is a Dutch internet pioneer and the founder of .nl.

Piet Beertema founder of .nl

Piet Beertema Piet Beertema is a Dutch internet pioneer, who first came across a computer at the National Aerospace Laboratory. In 1966, he took up the post of System Manager at the Centre for Mathematics and Informatics (CWI), where he continued to work until his retirement. On 25 April 1986, administrative control of the newly created .nl domain was delegated to the CWI (in the person of Beertema) by Jon Postel (IANA). Thus, Beertema effectively became the founder of .nl.

On 31 January 1996, together with Boudewijn Nederkoorn and Ted Lindgreen, Beertema established SIDN (the Foundation for Internet Domain Registration in the Netherlands) and took a seat on the new organisation's board. In 1999, he became a Knight of the Order of the Netherlands Lion (an honorary title awarded to prominent scientists and others). On 14 July 2011 he laid the final ceremonial brick of SIDN's new office complex.

First European e-mail via internet

First e-mail

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  • Thursday 12 April 2018 .nl domain name

    Doing business on line: Facebook or your own domain?

    What are the pros and cons?

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  • Tuesday 18 December 2018 Internet security

    Notice and Take Down Code revised to aid fight against child pornography

    On-line child abuse finally receives more attention

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  • Sunday 8 April 2018 Knowledge bank

    Root zone rollover has implications for DNSSEC operators

    19 January 2017 In autumn 2017, ICANN initiated the rollover of the (KSK) pair for the root zone. The rollover involves renewing (i.e. replacing) the root zone's cryptographic key pair, which underpins the entire DNSSEC infrastructure. Renewing the key pair entails significant risk. Although it is very unlikely that anything will go wrong, an error could potentially render all internet domains (including non-signed domains) unreachable for all users and applications that rely on validating resolvers. The situation is similar at the local level. Validating resolver operators need to first add the new (public) key to the trust anchors on their servers, and subsequently remove the old key from their systems. If an operator fails to act, it won't be possible to validate any digital signatures beneath the top-level domains (TLDs) in the root zone. Then all internet domains will become unreachable for everyone relying on the resolver in question. RFC 5011 sets out a protocol for automatically installing the new (public) key as a trust anchor. The developers of the most widely used validating resolvers — BIND named, Unbound and OpenDNSSEC — all say that their software supports the protocol. The very dated Infoblox appliances don't support RFC 5011, meaning that Infoblox users face a fresh set of problems.

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