obs-banyuls.fr

Checked 22 October 2026, 04:35 UTC · via 8.8.8.8
iAll checks passed
29 passed 0 warnings 0 failed 6 info

Registration

info

.fr country-code · GIP RENATER · expires 2027-06-17

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GIP RENATER
Registered
17 June 1997
Last changed
3 September 2026
Expires
17 June 2027
Status
active
Registry nameservers
arago.obs-banyuls.fr, ns4.cnrs.fr, shiva.jussieu.fr, smtp.univ-perp.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 2027-06-17 #3
    The registration is valid until 2027-06-17 (238 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

info

arago.obs-banyuls.fr, ns4.cnrs.fr, shiva.jussieu.fr, smtp.univ-perp.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
arago.obs-banyuls.fr, ns4.cnrs.fr, shiva.jussieu.fr, smtp.univ-perp.fr
NS in the zone
arago.obs-banyuls.fr, ns4.cnrs.fr, shiva.jussieu.fr, smtp.univ-perp.fr
NameserverAddressesNetwork (AS)Glue
arago.obs-banyuls.fr194.167.19.3AS2200 FR-RENATER - Renater, FR194.167.19.3
ns4.cnrs.fr195.220.197.11 2001:660:500a:2210::11AS2200 FR-RENATER - Renater, FR AS2200 FR-RENATER - Renater, FR-
shiva.jussieu.fr134.157.0.129AS1307 UNSPECIFIED - Renater, EU134.157.0.129
smtp.univ-perp.fr194.167.137.6 2001:660:6302:1:218:feff:fe7c:5a12AS2200 FR-RENATER - Renater, FR AS2200 FR-RENATER - Renater, FR194.167.137.6 2001:660:6302:1:218:feff:fe7c:5a12

Checks

  • ✓ 4 nameservers #6
    Delegated to arago.obs-banyuls.fr, ns4.cnrs.fr, shiva.jussieu.fr, smtp.univ-perp.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: arago.obs-banyuls.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 2 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS1307 (UNSPECIFIED - Renater, EU): 1 address; AS2200 (FR-RENATER - Renater, FR): 5 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: arago.obs-banyuls.fr, shiva.jussieu.fr.
    #13

Nameservers

info

6 of 6 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
arago.obs-banyuls.fr 194.167.19.3NOERROR, 62 ms, authoritativenoyes / yesrefusedInformation non disponible
ns4.cnrs.fr 195.220.197.11NOERROR, 20 ms, authoritativenoyes / yesrefusedSECRET
ns4.cnrs.fr 2001:660:500a:2210::11NOERROR, 20 ms, authoritativenoyes / yesrefusedSECRET
shiva.jussieu.fr 134.157.0.129NOERROR, 14 ms, authoritativenoyes / yesrefused-
smtp.univ-perp.fr 194.167.137.6NOERROR, 41 ms, authoritativenoyes / yesrefusedunknown
smtp.univ-perp.fr 2001:660:6302:1:218:feff:fe7c:5a12NOERROR, 44 ms, authoritativenoyes / yesrefusedunknown

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.
  • i
    Identifying string disclosed
    These nameservers answer version queries with a string that is not a version number: arago.obs-banyuls.fr: "Information non disponible"; ns4.cnrs.fr: "SECRET"; smtp.univ-perp.fr: "unknown".
    #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 2026102001 · primary arago.obs-banyuls.fr

Found

Primary (MNAME)
arago.obs-banyuls.fr
Contact (RNAME)
dnsmaster.obs-banyuls.fr
Serial
2026102001
Refresh / retry
14400 s / 3600 s
Expire
1209600 s
Negative TTL
300 s

Serial per nameserver

NameserverSerial
arago.obs-banyuls.fr (194.167.19.3)2026102001
ns4.cnrs.fr (195.220.197.11)2026102001
ns4.cnrs.fr (2001:660:500a:2210::11)2026102001
shiva.jussieu.fr (134.157.0.129)2026102001
smtp.univ-perp.fr (194.167.137.6)2026102001
smtp.univ-perp.fr (2001:660:6302:1:218:feff:fe7c:5a12)2026102001

Checks

  • ✓ Serial 2026102001 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 4h, retry 1h, expire 14d, negative TTL 5m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver arago.obs-banyuls.fr is one of the listed nameservers.
  • ✓ Contact dnsmaster@obs-banyuls.fr #25
    The SOA RNAME dnsmaster.obs-banyuls.fr means dnsmaster@obs-banyuls.fr.
  • ✓ Date-based serial #26
    The serial 2026102001 follows the YYYYMMDDnn convention (2026-10-20).

DNSSEC

pass

Signed, DS published at parent

Found

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

DS at the parent

Key tagAlgorithmDigestMatches a key
37876ECDSAP256SHA256 (13)SHA256 F1AEBD5F9C31B5C5…yes

DNSKEY in the zone

Key tagRoleAlgorithm
37876KSK (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 37876 (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 11:07 UTC.
  • ✓ NSEC3 as recommended #31
    The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

9 records at the apex

Found

Read from
194.167.19.3:53
TypeValueTTL
SOAarago.obs-banyuls.fr. dnsmaster.obs-banyuls.fr. 2026102001 14400 3600 1209600 3003600
NSns4.cnrs.fr.3600
NSshiva.jussieu.fr.3600
NSarago.obs-banyuls.fr.3600
NSsmtp.univ-perp.fr.3600
A194.167.19.203600
MX10 racou.obs-banyuls.fr.3600
TXT"v=spf1 mx -all"3600
TXT"HARICA-419cVinAFRgP8uSMd0R"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 1h, 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.
  • i
    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