enst-bretagne.fr

Checked 22 October 2026, 02:45 UTC · via 8.8.8.8
✗Problems found
23 passed 3 warnings 1 failed 4 info

Registration

info

.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
matell.enst-bretagne.fr, ns2.nic.fr, univers.enst-bretagne.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.

Delegation

warn

matell.enst-bretagne.fr, ns2.nic.fr, univers.enst-bretagne.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
matell.enst-bretagne.fr, ns2.nic.fr, univers.enst-bretagne.fr
NS in the zone
matell.enst-bretagne.fr, ns2.nic.fr, rsm.enst-bretagne.fr, univers.enst-bretagne.fr
NameserverAddressesNetwork (AS)Glue
matell.enst-bretagne.fr192.108.115.2AS50897 AS-IMTA-BREST - AS-IMTA-BREST, FR192.108.115.2
ns2.nic.fr192.93.0.4 2001:660:3005:1::1:2AS2486 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-
rsm.enst-bretagne.fr (zone only)192.44.77.1AS2263 FR-RENATER-IMTA-RENNES - Renater, EU-
univers.enst-bretagne.fr192.44.75.10AS50897 AS-IMTA-BREST - AS-IMTA-BREST, FR192.44.75.10

Checks

  • ✓ 3 nameservers #6
    Delegated to matell.enst-bretagne.fr, ns2.nic.fr, univers.enst-bretagne.fr.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: rsm.enst-bretagne.fr. matell.enst-bretagne.fr, ns2.nic.fr, rsm.enst-bretagne.fr, univers.enst-bretagne.fr report NS matell.enst-bretagne.fr ns2.nic.fr rsm.enst-bretagne.fr univers.enst-bretagne.fr.
    #7
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: matell.enst-bretagne.fr, univers.enst-bretagne.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 1 IPv6 /48.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS2263 (FR-RENATER-IMTA-RENNES - Renater, EU): 1 address; AS2486 (NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR): 2 addresses; AS50897 (AS-IMTA-BREST - AS-IMTA-BREST, 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
  • i
    Partly IPv6
    These nameservers have no IPv6 address: matell.enst-bretagne.fr, rsm.enst-bretagne.fr, univers.enst-bretagne.fr.
    #13

Nameservers

fail

5 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
matell.enst-bretagne.fr 192.108.115.2NOERROR, 23 ms, authoritativenoyes / yesrefused0.0.0-REL
ns2.nic.fr 192.93.0.4NOERROR, 14 ms, authoritativenoyes / yesrefusedPlease contact dnsops@afnic.fr
ns2.nic.fr 2001:660:3005:1::1:2NOERROR, 14 ms, authoritativenoyes / yesrefusedPlease contact dnsops@afnic.fr
rsm.enst-bretagne.fr 192.44.77.1NOERROR, 19 ms, authoritativenoyes / yesALLOWED (602 records)9.4.2-P2
univers.enst-bretagne.fr 192.44.75.10NOERROR, 23 ms, authoritativenoyes / yesrefused0.0.0-REL

Checks

  • ✓ All respond #14
    All 5 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: matell.enst-bretagne.fr: "0.0.0-REL"; rsm.enst-bretagne.fr: "9.4.2-P2"; univers.enst-bretagne.fr: "0.0.0-REL". Hide or replace the version string.
    #17
  • ✗
    Zone transfer allowed
    These nameservers send the complete zone to anyone who asks (AXFR), exposing all host names: rsm.enst-bretagne.fr (192.44.77.1): 602 records. Restrict zone transfers to your secondary servers.
    #18
  • ✓ 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.

SOA

pass

serial 2026092102 · primary univers.enst-bretagne.fr

Found

Primary (MNAME)
univers.enst-bretagne.fr
Contact (RNAME)
hostmaster.enst-bretagne.fr
Serial
2026092102
Refresh / retry
21600 s / 3600 s
Expire
2419200 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
matell.enst-bretagne.fr (192.108.115.2)2026092102
ns2.nic.fr (192.93.0.4)2026092102
ns2.nic.fr (2001:660:3005:1::1:2)2026092102
rsm.enst-bretagne.fr (192.44.77.1)2026092102
univers.enst-bretagne.fr (192.44.75.10)2026092102

Checks

  • ✓ Serial 2026092102 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 6h, retry 1h, expire 28d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver univers.enst-bretagne.fr is one of the listed nameservers.
  • ✓ Contact hostmaster@enst-bretagne.fr #25
    The SOA RNAME hostmaster.enst-bretagne.fr means hostmaster@enst-bretagne.fr.
  • ✓ Date-based serial #26
    The serial 2026092102 follows the YYYYMMDDnn convention (2026-09-21).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

pass

12 records at the apex

Found

Read from
192.108.115.2:53
TypeValueTTL
SOAunivers.enst-bretagne.fr. hostmaster.enst-bretagne.fr. 2026092102 21600 3600 2419200 8640086400
NSrsm.enst-bretagne.fr.86400
NSunivers.enst-bretagne.fr.86400
NSmatell.enst-bretagne.fr.86400
NSns2.nic.fr.86400
A192.108.117.24086400
MX15 legacy-dom.imt-atlantique.fr.86400
TXT"v=spf1 mx ip4:192.108.117.8 ip4:192.108.117.9 ip4:192.108.115.12 ip4:192.108.115.3 ip4:192.44.77.17 ip4:192.44.76.192/29 ip4:192.44.76.201 include:enst.fr ~all"86400
CAA0 issue "harica.gr"86400
CAA0 issuewild "harica.gr"86400
CAA0 iodef "mailto:hostmaster@imt-atlantique.fr"86400
CAA0 issue "letsencrypt.org"86400

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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: harica.gr, letsencrypt.org.