polytechnique.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

16 June 2026

Expires

31 December 2026

Status

active

Registry nameservers

milou.polytechnique.fr, ns2.nic.fr, picaros.polytechnique.fr, rackham.polytechnique.fr

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.

milou.polytechnique.fr, ns2.nic.fr, picaros.polytechnique.fr, rackham.polytechnique.fr

Found

Parent zone

fr

Delegation from

d.nic.fr (194.0.9.1)

NS at the parent

milou.polytechnique.fr, ns2.nic.fr, picaros.polytechnique.fr, rackham.polytechnique.fr

NS in the zone

milou.polytechnique.fr, ns2.nic.fr, picaros.polytechnique.fr, rackham.polytechnique.fr

Checks

• ✓ 4 nameservers #6

  Delegated to milou.polytechnique.fr, ns2.nic.fr, picaros.polytechnique.fr, rackham.polytechnique.fr.
• ✓ 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: milou.polytechnique.fr, picaros.polytechnique.fr, rackham.polytechnique.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 4 IPv4 /24s and 2 IPv6 /48s.
• ✓ 2 autonomous systems #11

  The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 6 addresses; AS2486 (NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR): 2 addresses.
• i

  All nameserver names under .fr

  All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.

  #12
• ✓ All reachable over IPv6 #13

  Every nameserver has an IPv6 address.

8 of 8 addresses answer authoritatively

Found

Checks

• ✓ All respond #14

  All 8 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: ns2.nic.fr: "Please contact dnsops@afnic.fr".

  #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.

13 records at the apex

Found

Read from

129.104.30.41:53

Checks

• ✓ TTLs within range #32

  TTLs: A 1d, MX 1d, NS 1d. The NS TTL at the parent is 1h and in the zone 1d; resolvers may use either.
• ✓ No CNAME at the apex #33

  The zone apex has no CNAME record.
• ✓ No wildcard #34

  Names that don't exist return NXDOMAIN.
• i

  No CAA records

  Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.

  #35