altimetry.fr

Checked 22 October 2026, 01:33 UTC · via 8.8.8.8
!Passed with warnings
25 passed 1 warning 0 failed 5 info

Registration

info

.fr country-code · GANDI · expires 2029-05-26

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GANDI
Registered
19 September 2013
Last changed
13 June 2026
Expires
26 May 2029
Status
active
Registry nameservers
hermes.cls.fr, hermes2.cls.fr, ns6.gandi.net
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 2029-05-26 #3
    The registration is valid until 2029-05-26 (947 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

hermes.cls.fr, hermes2.cls.fr, ns6.gandi.net

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
hermes.cls.fr, hermes2.cls.fr, ns6.gandi.net
NS in the zone
hermes.cls.fr, hermes2.cls.fr, ns6.gandi.net
NameserverAddressesNetwork (AS)Glue
hermes.cls.fr91.207.20.1AS24711 CLS-ARGOS-AS - Collecte Localisation Satellites SAS, FR91.207.20.1
hermes2.cls.fr91.207.20.2AS24711 CLS-ARGOS-AS - Collecte Localisation Satellites SAS, FR91.207.20.2
ns6.gandi.net217.70.177.42 2001:4b98:d:1::4bAS29169 GANDI-AS - GANDI SAS, FR AS29169 GANDI-AS - GANDI SAS, FR-

Checks

  • ✓ 3 nameservers #6
    Delegated to hermes.cls.fr, hermes2.cls.fr, ns6.gandi.net.
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • ✓ No glue needed #8
    All nameservers are outside the zone, so no glue records are needed.
  • ✓ 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 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS24711 (CLS-ARGOS-AS - Collecte Localisation Satellites SAS, FR): 2 addresses; AS29169 (GANDI-AS - GANDI SAS, FR): 2 addresses.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .fr, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: hermes.cls.fr, hermes2.cls.fr.
    #13

Nameservers

info

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
hermes.cls.fr 91.207.20.1NOERROR, 28 ms, authoritativenoyes / yesrefusedBIND
hermes2.cls.fr 91.207.20.2NOERROR, 28 ms, authoritativenoyes / yesrefusedBIND
ns6.gandi.net 217.70.177.42NOERROR, 22 ms, authoritativenoyes / yesrefusedcustom
ns6.gandi.net 2001:4b98:d:1::4bNOERROR, 20 ms, authoritativenoyes / yesrefusedcustom

Checks

  • ✓ All respond #14
    All 4 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: hermes.cls.fr: "BIND"; hermes2.cls.fr: "BIND"; ns6.gandi.net: "custom".
    #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 2026100901 · primary hermes.cls.fr

Found

Primary (MNAME)
hermes.cls.fr
Contact (RNAME)
postmaster.cls.fr
Serial
2026100901
Refresh / retry
28800 s / 7200 s
Expire
604800 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
hermes.cls.fr (91.207.20.1)2026100901
hermes2.cls.fr (91.207.20.2)2026100901
ns6.gandi.net (217.70.177.42)2026100901
ns6.gandi.net (2001:4b98:d:1::4b)2026100901

Checks

  • ✓ Serial 2026100901 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 8h, retry 2h, expire 7d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver hermes.cls.fr is one of the listed nameservers.
  • ✓ Contact postmaster@cls.fr #25
    The SOA RNAME postmaster.cls.fr means postmaster@cls.fr.
  • ✓ Date-based serial #26
    The serial 2026100901 follows the YYYYMMDDnn convention (2026-10-09).

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

info

7 records at the apex

Found

Read from
91.207.20.1:53
TypeValueTTL
SOAhermes.cls.fr. postmaster.cls.fr. 2026100901 28800 7200 604800 8640086400
NShermes2.cls.fr.86400
NSns6.gandi.net.86400
NShermes.cls.fr.86400
MX5 altimetry-fr.mail.protection.outlook.com.3600
TXT"MS=ms31932679"86400
TXT"v=spf1 mx ip4:91.207.20.141 ip4:91.207.20.142 ip4:91.207.20.143 ip4:193.42.151.197 ip4:194.199.174.200 ip4:194.199.174.201 ip4:91.207.20.40" " include:mailcontrol.com include:_spf.google.com include:spf.protection.outlook.com -all"86400

Checks

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