univ-lyon2.fr

Checked 22 October 2026, 05:35 UTC · via 8.8.8.8
!Passed with warnings
26 passed 2 warnings 0 failed 7 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
diogene.univ-lyon2.fr, dns.univ-lyon1.fr, laurel.univ-lyon2.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

diogene.univ-lyon2.fr, dns.univ-lyon1.fr, laurel.univ-lyon2.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
diogene.univ-lyon2.fr, dns.univ-lyon1.fr, laurel.univ-lyon2.fr
NS in the zone
diogene.univ-lyon2.fr, dns.univ-lyon1.fr, dns2.univ-lyon1.fr, laurel.univ-lyon2.fr
NameserverAddressesNetwork (AS)Glue
diogene.univ-lyon2.fr159.84.44.31AS1945 FR-LyRES - Renater, EU159.84.44.31
dns.univ-lyon1.fr134.214.100.6 2001:660:5001:100::6AS2060 FR-RENATER - Renater, EU AS2200 FR-RENATER - Renater, FR134.214.100.6 2001:660:5001:100::6
dns2.univ-lyon1.fr (zone only)134.214.100.245 2001:660:5001:100::245AS2060 FR-RENATER - Renater, EU AS2200 FR-RENATER - Renater, FR-
laurel.univ-lyon2.fr159.84.64.49AS1945 FR-LyRES - Renater, EU159.84.64.49

Checks

  • ✓ 3 nameservers #6
    Delegated to diogene.univ-lyon2.fr, dns.univ-lyon1.fr, laurel.univ-lyon2.fr.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: dns2.univ-lyon1.fr. diogene.univ-lyon2.fr, dns.univ-lyon1.fr, dns2.univ-lyon1.fr, laurel.univ-lyon2.fr report NS diogene.univ-lyon2.fr dns.univ-lyon1.fr dns2.univ-lyon1.fr laurel.univ-lyon2.fr.
    #7
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: diogene.univ-lyon2.fr, laurel.univ-lyon2.fr.
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • i
    One address family in one network
    all IPv6 addresses are in 2001:660:5001::/48, while the other address family is spread over several networks.
    #10
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS1945 (FR-LyRES - Renater, EU): 2 addresses; AS2060 (FR-RENATER - Renater, EU): 2 addresses; AS2200 (FR-RENATER - Renater, 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: diogene.univ-lyon2.fr, laurel.univ-lyon2.fr.
    #13

Nameservers

warn

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
diogene.univ-lyon2.fr 159.84.44.31NOERROR, 19 ms, authoritativenoyes / yesrefused9.16.23-RH
dns.univ-lyon1.fr 134.214.100.6NOERROR, 16 ms, authoritativenoyes / yesrefused-
dns.univ-lyon1.fr 2001:660:5001:100::6NOERROR, 19 ms, authoritativenoyes / yesrefused-
dns2.univ-lyon1.fr 134.214.100.245NOERROR, 17 ms, authoritativenoyes / yesrefused-
dns2.univ-lyon1.fr 2001:660:5001:100::245NOERROR, 19 ms, authoritativenoyes / yesrefused-
laurel.univ-lyon2.fr 159.84.64.49NOERROR, 20 ms, authoritativenoyes / yesrefused9.16.23-RH

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: diogene.univ-lyon2.fr: "9.16.23-RH"; laurel.univ-lyon2.fr: "9.16.23-RH". 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.

SOA

pass

serial 2023100322 · primary diogene.univ-lyon2.fr

Found

Primary (MNAME)
diogene.univ-lyon2.fr
Contact (RNAME)
dnsmaster.univ-lyon2.fr
Serial
2023100322
Refresh / retry
14400 s / 3600 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
diogene.univ-lyon2.fr (159.84.44.31)2023100322
dns.univ-lyon1.fr (134.214.100.6)2023100322
dns.univ-lyon1.fr (2001:660:5001:100::6)2023100322
dns2.univ-lyon1.fr (134.214.100.245)2023100322
dns2.univ-lyon1.fr (2001:660:5001:100::245)2023100322
laurel.univ-lyon2.fr (159.84.64.49)2023100322

Checks

  • ✓ Serial 2023100322 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver diogene.univ-lyon2.fr is one of the listed nameservers.
  • ✓ Contact dnsmaster@univ-lyon2.fr #25
    The SOA RNAME dnsmaster.univ-lyon2.fr means dnsmaster@univ-lyon2.fr.
  • ✓ Date-based serial #26
    The serial 2023100322 follows the YYYYMMDDnn convention (2023-10-03).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
6 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
41177RSASHA256 (8)SHA256 772661237784ABD1…yes

DNSKEY in the zone

Key tagRoleAlgorithm
41177KSK (257)RSASHA256 (8)

Checks

  • ✓ Signed and validated #27
    The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
  • ✓ DS matches a key #28
    The DS record at the parent matches a key in the zone: key tag 41177 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: RSASHA256 (8).
  • ✓ Signatures valid until 2026-11-06 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-06 03:22 UTC.
  • i
    NSEC
    The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.
    #31

Records

info

14 records at the apex

Found

Read from
159.84.44.31:53
TypeValueTTL
SOAdiogene.univ-lyon2.fr. dnsmaster.univ-lyon2.fr. 2023100322 14400 3600 604800 8640086400
NSdns.univ-lyon1.fr.3600
NSdiogene.univ-lyon2.fr.3600
NSlaurel.univ-lyon2.fr.3600
NSdns2.univ-lyon1.fr.3600
MX20 mx.univ-lyon2.fr.3600
TXT"v=spf1 ip4:159.84.182.45 ip4:159.84.182.43 ip4:159.84.182.42 -all"300
TXT"MS=3BC55C6F5ED34C5D26DD1CF968647539115DCF7B3600"300
TXT"apple-domain-verification=I3TVStCnqYHMZuMy"300
TXT"trend-micro-v1-domain-verification.ab28bee020e3a6739d64d010385c6926=c396a86d-b2db-4d44-a45b-072e8840353a"300
TXT"adobe-idp-site-verification=4f31c66cf2a7833ab169d61bb38daa2558fd2f872873cec11f500b3b96f69ded"300
TXT"A4ZeOCrDUiXBr7FUMjXEb74m50Zpn2KwWwFVmjxVGMKo9Aq0ZEigNAPa4TlVO1xC+BgOE0ikIZtyEXAxJXBGGA=="300
CAA0 issue "sectigo.com"3600
CAA0 issue "harica.gr"3600

Checks

  • ✓ TTLs within range #32
    TTLs: MX 1h, NS 1h.
  • ✓ No CNAME at the apex #33
    The zone apex has no CNAME record.
  • i
    Wildcard record
    A random name under the zone resolves, so there is a wildcard (*) record. Typos and non-existent hosts resolve too, which can confuse mail and certificate checks.
    #34
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: sectigo.com, harica.gr.