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Anand Buddhdev

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Retiring ns.ripe.net

Retiring ns.ripe.net

8 min read

Since 1992, the RIPE NCC has been the only Regional Internet Registry to offer a secondary DNS server to its members, called ns.ripe.net. LIRs with a /16-sized IPv4 allocation or a /32-sized IPv6 allocation have been able to use this service to ensure the stability of the DNS service for these larg…

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Hosted DNS Application Update

Hosted DNS Application Update

3 min read

Expanding the RIPE NCC Authoritative DNS Service means cooperating with the community to find organisations out there willing to host AuthDNS instances on their networks. In this article, find out exactly what's required from hosts and how to apply.

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Reverse DNS Outage for Out-of-Region Address Space

Reverse DNS Outage for Out-of-Region Address Space

4 min read

On Thursday 16 March 2017, at around 20:00 UTC, a bug in a script caused an outage for some reverse DNS delegations registered in the RIPE Database. The effects of the bug were not immediate, but began a cascading failure, that persisted until 18:00 UTC on Friday 17 March. In the following article,…

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DNSSEC Algorithm Roll-over

DNSSEC Algorithm Roll-over

8 min read

Rolling over the algorithm (usually to a stronger variant) used to sign a DNS zone isn't as easy as regular key roll-overs. This is because some DNSSEC validators are less forgiving than others, and fail validation unless the right combination of keys and signatures is present in a zone. This ar…

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