doubs.fr

Checked 22 October 2026, 02:36 UTC · via 8.8.8.8
✗Problems found
25 passed 1 warning 1 failed 4 info

Registration

info

.fr country-code · GANDI · expires 2029-04-17

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GANDI
Registered
9 January 2001
Last changed
28 August 2026
Expires
17 April 2029
Status
client transfer prohibited
Registry nameservers
ns1.doubs.fr, ns2.doubs.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 2029-04-17 #3
    The registration is valid until 2029-04-17 (908 days).
  • ✓ Transfer locked #4
    Registry status: client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns1.doubs.fr, ns2.doubs.fr, ns6.gandi.net

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
ns1.doubs.fr, ns2.doubs.fr, ns6.gandi.net
NS in the zone
ns1.doubs.fr, ns2.doubs.fr, ns6.gandi.net
NameserverAddressesNetwork (AS)Glue
ns1.doubs.fr176.149.188.134AS5410 BOUYGTEL-ISP - Bouygues Telecom SA, FR176.149.188.134
ns2.doubs.fr176.149.188.135AS5410 BOUYGTEL-ISP - Bouygues Telecom SA, FR176.149.188.135
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 ns1.doubs.fr, ns2.doubs.fr, ns6.gandi.net.
  • ✓ 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.doubs.fr, ns2.doubs.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 1 IPv6 /48.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS29169 (GANDI-AS - GANDI SAS, FR): 2 addresses; AS5410 (BOUYGTEL-ISP - Bouygues Telecom SA, 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: ns1.doubs.fr, ns2.doubs.fr.
    #13

Nameservers

fail

4 of 4 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.doubs.fr 176.149.188.134NOERROR, 58 ms, authoritativenono / yesrefused-
ns2.doubs.fr 176.149.188.135NOERROR, 52 ms, authoritativenono / yesrefused-
ns6.gandi.net 217.70.177.42NOERROR, 19 ms, authoritativenoyes / yesrefusedcustom
ns6.gandi.net 2001:4b98:d:1::4bNOERROR, 21 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: ns6.gandi.net: "custom".
    #17
  • ✓ Zone transfers refused #18
    No nameserver allows a zone transfer to the public.
  • ✗
    No DNS over TCP
    DNS over TCP is required (RFC 7766); without it, large answers such as DNSSEC responses fail. Not answering over TCP: ns1.doubs.fr (176.149.188.134): dial tcp 176.149.188.134:53: i/o timeout; ns2.doubs.fr (176.149.188.135): dial tcp 176.149.188.135:53: i/o timeout.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2026102101 · primary ns1.doubs.fr

Found

Primary (MNAME)
ns1.doubs.fr
Contact (RNAME)
hostmaster.doubs.fr
Serial
2026102101
Refresh / retry
3600 s / 900 s
Expire
604800 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns1.doubs.fr (176.149.188.134)2026102101
ns2.doubs.fr (176.149.188.135)2026102101
ns6.gandi.net (217.70.177.42)2026102101
ns6.gandi.net (2001:4b98:d:1::4b)2026102101

Checks

  • ✓ Serial 2026102101 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1h, retry 15m, expire 7d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.doubs.fr is one of the listed nameservers.
  • ✓ Contact hostmaster@doubs.fr #25
    The SOA RNAME hostmaster.doubs.fr means hostmaster@doubs.fr.
  • ✓ Date-based serial #26
    The serial 2026102101 follows the YYYYMMDDnn convention (2026-10-21).

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

18 records at the apex

Found

Read from
176.149.188.134:53
TypeValueTTL
SOAns1.doubs.fr. hostmaster.doubs.fr. 2026102101 3600 900 604800 36003600
NSns2.doubs.fr.3600
NSns6.gandi.net.3600
NSns1.doubs.fr.3600
A176.149.188.1663600
MX30 mail.datadam.fr.3600
MX10 mail.doubs.fr.3600
MX20 antispam.doubs.fr.3600
TXT"1JmwZ5LTxygviY6rZ5Hbt40MjX9gpSAV7FjseF4YKs6AeuJSP0Hyd5UN5p2Pu9FXj8eO88QJkqxNCpf0zlTkXQ=="3600
TXT"teamviewer-sso-verification=eb5e1ca59fa24d728bdef0c30ba4218d"3600
TXT"amazonses:KZaX5+37cckkLY5hmh6JaG2Lx5rScvpHc6uuk1qi6UQ="3600
TXT"apple-domain-verification=uq2RuIbMj4yYOTu0"3600
TXT"v=spf1 mx include:spf.mailinblack.com include:spf.eudonet.com include:spf.mailjet.com include:spf.tipimail.com include:spf.protection.outlook.com include:amazonses.com -all"3600
TXT"MS=ms94562125"3600
TXT"autodesk-domain-verification=n0ymwxAgUShR4if49NVA"3600
TXT"apple-domain-verification=lSPMIk9or0EKHk85"3600
TXT"MS=A6EC4B624EE4380D73993086B1908869656B5C6D"3600
TXT"atlassian-domain-verification=foN3YjHjGHVW2aVC0FmLGNAKZMREEgsHJ6yoRrknwXS9VM6Yra8lSVnRSs78J/cP"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