univ-tlse2.fr

Checked 22 October 2026, 05:36 UTC · via 8.8.8.8
!Passed with warnings
29 passed 2 warnings 0 failed 4 info

Registration

info

.fr country-code · GIP RENATER · expires 2027-09-16

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GIP RENATER
Registered
16 September 1996
Last changed
16 September 2026
Expires
16 September 2027
Status
active, auto renew period
Registry nameservers
dnssla.univ-toulouse.fr, palawan.univ-tlse2.fr, siargo.univ-tlse2.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 2027-09-16 #3
    The registration is valid until 2027-09-16 (329 days).
  • i
    No transfer lock
    The domain has no transfer lock (status: active, auto renew period). 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

dnssla.univ-toulouse.fr, palawan.univ-tlse2.fr, siargo.univ-tlse2.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
dnssla.univ-toulouse.fr, palawan.univ-tlse2.fr, siargo.univ-tlse2.fr
NS in the zone
dnssla.univ-toulouse.fr, palawan.univ-tlse2.fr, siargo.univ-tlse2.fr
NameserverAddressesNetwork (AS)Glue
dnssla.univ-toulouse.fr194.57.114.220AS2200 FR-RENATER - Renater, FR-
palawan.univ-tlse2.fr193.55.171.10AS2200 FR-RENATER - Renater, FR193.55.171.10
siargo.univ-tlse2.fr193.55.175.10AS2200 FR-RENATER - Renater, FR193.55.175.10

Checks

  • ✓ 3 nameservers #6
    Delegated to dnssla.univ-toulouse.fr, palawan.univ-tlse2.fr, siargo.univ-tlse2.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: palawan.univ-tlse2.fr, siargo.univ-tlse2.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 3 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): 3 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

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dnssla.univ-toulouse.fr 194.57.114.220NOERROR, 30 ms, authoritativenoyes / yesrefused-
palawan.univ-tlse2.fr 193.55.171.10NOERROR, 26 ms, authoritativenoyes / yesrefused-
siargo.univ-tlse2.fr 193.55.175.10NOERROR, 28 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 3 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 2025079823 · primary siargo.univ-tlse2.fr

Found

Primary (MNAME)
siargo.univ-tlse2.fr
Contact (RNAME)
reseau.univ-tlse2.fr
Serial
2025079823
Refresh / retry
14400 s / 3600 s
Expire
1209600 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
dnssla.univ-toulouse.fr (194.57.114.220)2025079823
palawan.univ-tlse2.fr (193.55.171.10)2025079823
siargo.univ-tlse2.fr (193.55.175.10)2025079823

Checks

  • ✓ Serial 2025079823 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 14d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver siargo.univ-tlse2.fr is one of the listed nameservers.
  • ✓ Contact reseau@univ-tlse2.fr #25
    The SOA RNAME reseau.univ-tlse2.fr means reseau@univ-tlse2.fr.
  • ✓ Timestamp serial #26
    The serial 2025079823 is a Unix timestamp (2034-03-04 10:10 UTC).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC3
NSEC3
10 iterations, 16-byte salt
Signatures valid until
2 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
38048ECDSAP256SHA256 (13)SHA256 8228E6C64A1A69B6…yes

DNSKEY in the zone

Key tagRoleAlgorithm
53488ZSK (256)ECDSAP256SHA256 (13)
23479ZSK (256)ECDSAP256SHA256 (13)
27698ZSK (256)ECDSAP256SHA256 (13)
40836ZSK (256)ECDSAP256SHA256 (13)
38048KSK (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 38048 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-02 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-02 09:04 UTC.
  • !
    NSEC3 with extra iterations or salt
    NSEC3 uses 10 iterations and a 16-byte salt. RFC 9276 recommends 0 iterations and no salt: extra iterations cost resolvers CPU and add no real protection, and some validators treat high counts as insecure.
    #31

Records

pass

13 records at the apex

Found

Read from
194.57.114.220:53
TypeValueTTL
SOAsiargo.univ-tlse2.fr. reseau.univ-tlse2.fr. 2025079823 14400 3600 1209600 36003600
NSsiargo.univ-tlse2.fr.3600
NSpalawan.univ-tlse2.fr.3600
NSdnssla.univ-toulouse.fr.3600
MX10 mx1.relay.renater.fr.86400
MX10 mx2.relay.renater.fr.86400
TXT"HARICA-6ktjlKHq6yAhLAP5Vhn"3600
TXT"v=spf1 include:_spf.scout.univ-toulouse.fr include:spf.relay.renater.fr a:facteur.univ-tlse2.fr -all"3600
TXT"MS=A82CC4496A1B386A213CD5E87DD04D2E8AFDA944"3600
TXT"apple-domain-verification=C2hQwMkZjhfIsmhD"3600
TXT"google-site-verification=3gGQLVTVfG2CCUVl6r54eOqyIUB5OqgTPM515D32pk0"3600
CAA0 issue "harica.gr"3600
CAA0 issuewild "harica.gr"3600

Checks

  • ✓ TTLs within range #32
    TTLs: MX 1d, NS 1h.
  • ✓ 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.