Domain report: ens.fr

Registration

info

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

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.lri.fr, ns.ens.fr, ns1.ens.fr, ns2.ens.fr, ns2.nic.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 2026-12-31 #3

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

ext.lri.fr, ns.ens.fr, ns1.ens.fr, ns2.ens.fr, ns2.nic.fr

Nameserver	Addresses	Network (AS)	Glue
ext.lri.fr	129.175.15.4	AS2269 FR-U-PARISSUD-ORSAY - Renater, EU	129.175.15.4
ns.ens.fr	129.199.96.11	AS2200 FR-RENATER - Renater, FR	129.199.96.11
ns1.ens.fr	129.199.98.16	AS2200 FR-RENATER - Renater, FR	129.199.98.16
ns2.ens.fr	129.199.129.250	AS2200 FR-RENATER - Renater, FR	129.199.129.250
ns2.nic.fr	192.93.0.4 2001:660:3005:1::1:2	AS2486 NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR AS2486 NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR	-

✓ 5 nameservers #6

Delegated to ext.lri.fr, ns.ens.fr, ns1.ens.fr, ns2.ens.fr, ns2.nic.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: ns.ens.fr, ns1.ens.fr, ns2.ens.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 5 IPv4 /24s and 1 IPv6 /48.
✓ 3 autonomous systems #11

The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 3 addresses; AS2269 (FR-U-PARISSUD-ORSAY - Renater, EU): 1 address; AS2486 (NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR): 2 addresses.
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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
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Partly IPv6

These nameservers have no IPv6 address: ext.lri.fr, ns.ens.fr, ns1.ens.fr, ns2.ens.fr.

#13

warn

6 of 6 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ext.lri.fr 129.175.15.4	NOERROR, 16 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.22.04.6-Ubuntu
ns.ens.fr 129.199.96.11	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
ns1.ens.fr 129.199.98.16	NOERROR, 15 ms, authoritative	no	yes / yes	refused	9.10.5-P1
ns2.ens.fr 129.199.129.250	NOERROR, 14 ms, authoritative	no	yes / yes	refused	9.9.5-3ubuntu0.8-Ubuntu
ns2.nic.fr 192.93.0.4	NOERROR, 16 ms, authoritative	no	yes / yes	refused	Please contact dnsops@afnic.fr
ns2.nic.fr 2001:660:3005:1::1:2	NOERROR, 16 ms, authoritative	no	yes / yes	refused	Please contact dnsops@afnic.fr

✓ 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.
!

Software version disclosed

These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ext.lri.fr: "9.18.39-0ubuntu0.22.04.6-Ubuntu"; ns1.ens.fr: "9.10.5-P1"; ns2.ens.fr: "9.9.5-3ubuntu0.8-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.

warn

serial 2026102001 · primary ns.ens.fr

✓ Serial 2026102001 everywhere #22

All nameservers serve the same version of the zone.
!

Unusual SOA timers

negative caching TTL (minimum) 2d is outside 5m–1d (RFC 2308 recommends 1–3 hours). Current values: refresh 6h, retry 1h, expire 1000h, negative TTL 2d.

#23
✓ Primary is a public nameserver #24

The primary nameserver ns.ens.fr is one of the listed nameservers.
✓ Contact dnsmaster@ens.fr #25

The SOA RNAME dnsmaster.ens.fr means dnsmaster@ens.fr.
✓ Date-based serial #26

The serial 2026102001 follows the YYYYMMDDnn convention (2026-10-20).

warn

Not signed

info

15 records at the apex

Type	Value	TTL
SOA	ns.ens.fr. dnsmaster.ens.fr. 2026102001 21600 3600 3600000 172800	172800
NS	ns1.ens.fr.	172800
NS	ext.lri.fr.	172800
NS	ns2.ens.fr.	172800
NS	ns.ens.fr.	172800
NS	ns2.nic.fr.	172800
A	129.199.166.212	172800
A	129.199.166.211	172800
MX	10 mx2.relay.renater.fr.	300
MX	10 mx1.relay.renater.fr.	300
TXT	"google-site-verification=htti69mp2Mpt7vhxWUyefNCWwcYttyzSL5a6kmcoxRs"	172800
TXT	"v=spf1 mx ip4:129.199.96.32/28 ip4:129.199.96.3 ip4:5.135.56.216 include:spf.relay.renater.fr ?all"	172800
TXT	"apple-domain-verification=dLqshYXme7ZxLNGC"	172800
TXT	"HARICA-OpCGIIiRsqysdqtHqoN"	172800
TXT	"MS=ms47118652"	172800

✓ TTLs within range #32

TTLs: A 2d, MX 5m, NS 2d. The NS TTL at the parent is 1h and in the zone 2d; 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.
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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