Domain report: cru.fr

Registration

info

.fr country-code · GIP RENATER · expires 2027-03-22

TLD: .fr (country-code)
ICANN policies apply: no
Registrar: GIP RENATER
Registered: 28 August 1996
Last changed: 30 April 2026
Expires: 22 March 2027
Status: active
Registry nameservers: dns-3.dfn.de, ns1.renater.fr, ns1.u-strasbg.fr, ns2.renater.fr, resone.univ-rennes1.fr
RDAP server: https://rdap.nic.fr/

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 2027-03-22 #3

The registration is valid until 2027-03-22 (151 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.

info

dns-3.dfn.de, ns1.renater.fr, ns1.u-strasbg.fr, ns2.renater.fr, resone.univ-rennes1.fr

Parent zone: fr
Delegation from: d.nic.fr (194.0.9.1)
NS at the parent: dns-3.dfn.de, ns1.renater.fr, ns1.u-strasbg.fr, ns2.renater.fr, resone.univ-rennes1.fr
NS in the zone: dns-3.dfn.de, ns1.renater.fr, ns1.u-strasbg.fr, ns2.renater.fr, resone.univ-rennes1.fr

Nameserver	Addresses	Network (AS)	Glue
dns-3.dfn.de	193.174.75.58 2001:638:d:b103::1	AS680 DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE AS680 DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE	-
ns1.renater.fr	193.49.159.2 2001:660:3001:4002::2	AS2200 FR-RENATER - Renater, FR AS2200 FR-RENATER - Renater, FR	193.49.159.2 2001:660:3001:4002::2
ns1.u-strasbg.fr	130.79.200.1 2001:660:2402::1	AS2259 FR-RAREST - Renater, EU AS2200 FR-RENATER - Renater, FR	130.79.200.1 2001:660:2402::1
ns2.renater.fr	193.49.159.9 2001:660:3001:4002::9	AS2200 FR-RENATER - Renater, FR AS2200 FR-RENATER - Renater, FR	193.49.159.9 2001:660:3001:4002::9
resone.univ-rennes1.fr	129.20.254.1	AS2200 FR-RENATER - Renater, FR	129.20.254.1

✓ 5 nameservers #6

Delegated to dns-3.dfn.de, ns1.renater.fr, ns1.u-strasbg.fr, ns2.renater.fr, resone.univ-rennes1.fr.
✓ Parent and zone agree #7

The parent delegation and the zone's NS records list the same nameservers.
✓ No glue needed #8

All nameservers are outside the zone, so no glue records are needed.
✓ 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 3 IPv6 /48s.
✓ 3 autonomous systems #11

The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 6 addresses; AS2259 (FR-RAREST - Renater, EU): 1 address; AS680 (DFN - Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE): 2 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .de, .fr.
i

Partly IPv6

These nameservers have no IPv6 address: resone.univ-rennes1.fr.

#13

warn

9 of 9 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
dns-3.dfn.de 193.174.75.58	NOERROR, 8 ms, authoritative	no	yes / yes	refused	0
dns-3.dfn.de 2001:638:d:b103::1	NOERROR, 10 ms, authoritative	no	yes / yes	refused	0
ns1.renater.fr 193.49.159.2	NOERROR, 13 ms, authoritative	no	yes / yes	refused	-
ns1.renater.fr 2001:660:3001:4002::2	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
ns1.u-strasbg.fr 130.79.200.1	NOERROR, 24 ms, authoritative	no	yes / yes	refused	9.20.24-1ubuntu0.4-Ubuntu
ns1.u-strasbg.fr 2001:660:2402::1	NOERROR, 25 ms, authoritative	no	yes / yes	refused	9.20.24-1ubuntu0.4-Ubuntu
ns2.renater.fr 193.49.159.9	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
ns2.renater.fr 2001:660:3001:4002::9	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
resone.univ-rennes1.fr 129.20.254.1	NOERROR, 20 ms, authoritative	no	yes / yes	refused	-

✓ All respond #14

All 9 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.
!

Software version disclosed

These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns1.u-strasbg.fr: "9.20.24-1ubuntu0.4-Ubuntu". Hide or replace the version string.

#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.

pass

serial 2022012818 · primary ns1.renater.fr

✓ Serial 2022012818 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 1h, retry 10m, expire 14d, negative TTL 1h.
✓ Primary is a public nameserver #24

The primary nameserver ns1.renater.fr is one of the listed nameservers.
✓ Contact hostmaster@renater.fr #25

The SOA RNAME hostmaster.renater.fr means hostmaster@renater.fr.
✓ Date-based serial #26

The serial 2022012818 follows the YYYYMMDDnn convention (2022-01-28).

warn

Not signed

info

6 records at the apex

Type	Value	TTL
SOA	ns1.renater.fr. hostmaster.renater.fr. 2022012818 3600 600 1209600 3600	3600
NS	resone.univ-rennes1.fr.	3600
NS	ns1.renater.fr.	3600
NS	dns-3.dfn.de.	3600
NS	ns1.u-strasbg.fr.	3600
NS	ns2.renater.fr.	3600