esrf.fr

.fr country-code · GIP RENATER · expires 2026-12-31

Found

TLD

.fr (country-code)

ICANN policies apply

no

Registrar

GIP RENATER

Registered

31 December 1994

Last changed

31 January 2026

Expires

31 December 2026

Status

active

Registry nameservers

ext-dns-2.cern.ch, ns.esrf.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk

RDAP server

https://rdap.nic.fr/

Checks

• i

  .fr is a country-code TLD (ccTLD)

  Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.

  #1
• ✓ TLD delegated and signed #2

  .fr is delegated in the root zone and DNSSEC-signed.
• ✓ Expires on 2026-12-31 #3

  The registration is valid until 2026-12-31 (70 days).
• i

  No transfer lock

  The domain has no transfer lock (status: active). A registrar lock protects against unauthorized transfers.

  #4
• ✓ Registry and delegation match #5

  The nameservers registered at the registry are the ones published in DNS.

ext-dns-2.cern.ch, ns.esrf.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk

Found

Parent zone

fr

Delegation from

d.nic.fr (194.0.9.1)

NS at the parent

ext-dns-2.cern.ch, ns.esrf.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk

NS in the zone

ext-dns-2.cern.ch, ns.esrf.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk

Checks

• ✓ 4 nameservers #6

  Delegated to ext-dns-2.cern.ch, ns.esrf.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk.
• ✓ Parent and zone agree #7

  The parent delegation and the zone's NS records list the same nameservers.
• ✓ Glue present and correct #8

  Glue is published for the nameservers inside the zone: ns.esrf.fr.
• ✓ All names resolve #9

  Every nameserver name has an address and is not an alias.
• ✓ Nameservers in different networks #10

  The nameservers are spread over 3 IPv4 /24s and 2 IPv6 /48s.
• ✓ 3 autonomous systems #11

  The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 2 addresses; AS513 (CERN - CERN - European Organization for Nuclear Research, CH): 2 addresses; AS786 (JANET - Jisc Services Limited, GB): 2 addresses.
• ✓ Nameserver names under 3 TLDs #12

  Nameserver names use the TLDs .ch, .fr, .uk.
• i

  Partly IPv6

  These nameservers have no IPv6 address: ns0.diamond.ac.uk, ns1.diamond.ac.uk.

  #13

6 of 6 addresses answer authoritatively

Found

Checks

• ✓ All respond #14

  All 6 nameserver addresses answered.
• ✓ All authoritative #15

  Every responding nameserver answers authoritatively for the zone.
• ✓ No recursion #16

  The nameservers do not answer recursive queries for other domains.
• i

  Identifying string disclosed

  These nameservers answer version queries with a string that is not a version number: ext-dns-2.cern.ch: "UNKNOWN"; ns0.diamond.ac.uk: "not available"; ns1.diamond.ac.uk: "not available".

  #17
• ✓ Zone transfers refused #18

  No nameserver allows a zone transfer to the public.
• ✓ TCP supported #19

  All nameservers answer over TCP.
• ✓ EDNS supported #20

  All nameservers support EDNS(0).
• ✓ Public addresses #21

  All nameserver addresses are publicly routable.