universite-lyon.fr

Checked 22 October 2026, 05:37 UTC · via 8.8.8.8
!Passed with warnings
28 passed 2 warnings 0 failed 5 info

Registration

info

.fr country-code · GANDI · expires 2027-12-16

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GANDI
Registered
29 September 2008
Last changed
21 April 2026
Expires
16 December 2027
Status
active
Registry nameservers
ns1.universite-lyon.fr, ns2.universite-lyon.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 2027-12-16 #3
    The registration is valid until 2027-12-16 (420 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

ns1.universite-lyon.fr, ns2.universite-lyon.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns1.universite-lyon.fr, ns2.universite-lyon.fr
NS in the zone
ns1.universite-lyon.fr, ns2.universite-lyon.fr
NameserverAddressesNetwork (AS)Glue
ns1.universite-lyon.fr193.54.25.8AS2200 FR-RENATER - Renater, FR193.54.25.8
ns2.universite-lyon.fr193.49.39.8AS2200 FR-RENATER - Renater, FR193.49.39.8

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.universite-lyon.fr, ns2.universite-lyon.fr.
    #6
  • ✓ 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: ns1.universite-lyon.fr, ns2.universite-lyon.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 2 IPv4 /24s and 0 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS2200 (FR-RENATER - Renater, FR): 2 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • 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
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

pass

2 of 2 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.universite-lyon.fr 193.54.25.8NOERROR, 19 ms, authoritativenoyes / yesrefused-
ns2.universite-lyon.fr 193.49.39.8NOERROR, 20 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 2 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.
  • ✓ No version disclosed #17
    The nameservers don't reveal their software version.
  • ✓ 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 2026101400 · primary ns1.universite-lyon.fr

Found

Primary (MNAME)
ns1.universite-lyon.fr
Contact (RNAME)
postmaster.universite-lyon.fr
Serial
2026101400
Refresh / retry
21600 s / 3600 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
ns1.universite-lyon.fr (193.54.25.8)2026101400
ns2.universite-lyon.fr (193.49.39.8)2026101400

Checks

  • ✓ Serial 2026101400 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 6h, retry 1h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.universite-lyon.fr is one of the listed nameservers.
  • ✓ Contact postmaster@universite-lyon.fr #25
    The SOA RNAME postmaster.universite-lyon.fr means postmaster@universite-lyon.fr.
  • ✓ Date-based serial #26
    The serial 2026101400 follows the YYYYMMDDnn convention (2026-10-14).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
0 iterations, 0-byte salt
Signatures valid until
28 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
35718ECDSAP256SHA256 (13)SHA256 4A675F51AECE1B89…yes

DNSKEY in the zone

Key tagRoleAlgorithm
37419ZSK (256)ECDSAP256SHA256 (13)
35718KSK (257)ECDSAP256SHA256 (13)

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 35718 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • !
    Signatures expire soon
    The earliest signature expires at 2026-10-28 21:29 UTC (in 160h0m0s). Check that automatic re-signing works.
    #30
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

pass

8 records at the apex

Found

Read from
193.54.25.8:53
TypeValueTTL
SOAns1.universite-lyon.fr. postmaster.universite-lyon.fr. 2026101400 21600 3600 604800 8640028800
NSns1.universite-lyon.fr.28800
NSns2.universite-lyon.fr.28800
A193.49.39.5128800
MX0 universitelyon-fr02e.mail.protection.outlook.com.28800
TXT"v=spf1 redirect=_spf.%{d}"300
CAA0 issue "harica.gr"300
CAA0 issuewild "harica.gr"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 8h, MX 8h, NS 8h. The NS TTL at the parent is 1h and in the zone 8h; 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.