grandpoitiers.fr

Checked 22 October 2026, 03:16 UTC · via 8.8.8.8
✗Problems found
23 passed 4 warnings 1 failed 7 info

Registration

info

.fr country-code · IDLINE-INTERPC · expires 2027-02-17

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
IDLINE-INTERPC
Registered
17 February 2010
Last changed
31 March 2026
Expires
17 February 2027
Status
active
Registry nameservers
pdns1.idline.fr, pdns2.idline.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 2027-02-17 #3
    The registration is valid until 2027-02-17 (118 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

pdns1.idline.fr, pdns2.idline.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
pdns1.idline.fr, pdns2.idline.fr
NS in the zone
pdns1.idline.fr, pdns2.idline.fr
NameserverAddressesNetwork (AS)Glue
pdns1.idline.fr109.239.119.203AS34949 INTERPC-AS - IDLINE SAS, FR109.239.119.203 109.239.119.209
pdns2.idline.fr109.239.119.209AS34949 INTERPC-AS - IDLINE SAS, FR109.239.119.203 109.239.119.209

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: pdns1.idline.fr, pdns2.idline.fr.
    #6
  • ✓ Parent and zone agree #7
    The parent delegation and the zone's NS records list the same nameservers.
  • !
    Glue differs from the zone
    The addresses at the parent (glue) differ from the addresses in the zone: pdns1.idline.fr (glue 109.239.119.203, 109.239.119.209, zone 109.239.119.203); pdns2.idline.fr (glue 109.239.119.203, 109.239.119.209, zone 109.239.119.209). Update the glue at your registrar.
    #8
  • ✓ All names resolve #9
    Every nameserver name has an address and is not an alias.
  • !
    Nameservers in one network
    all IPv4 addresses are in 109.239.119.0/24. A single network failure takes all nameservers down; RFC 2182 recommends topologically separate networks (anycast setups are an exception).
    #10
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS34949 (INTERPC-AS - IDLINE SAS, 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

fail

2 of 2 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
pdns1.idline.fr 109.239.119.203NOERROR, 20 ms, authoritativenono / yesrefusedPowerDNS Authoritative Server 4.9.3 (built Dec 16 2024 08:52:59 by root@localhost)
pdns2.idline.fr 109.239.119.209NOERROR, 21 ms, authoritativenono / yesrefusedPowerDNS Authoritative Server 4.9.3 (built Dec 16 2024 08:52:59 by root@localhost)

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: pdns1.idline.fr: "PowerDNS Authoritative Server 4.9.3 (built Dec 16 2024 08:52:59 by root@localhost)"; pdns2.idline.fr: "PowerDNS Authoritative Server 4.9.3 (built Dec 16 2024 08:52:59 by root@localhost)". Hide or replace the version string.
    #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: pdns1.idline.fr (109.239.119.203): dial tcp 109.239.119.203:53: i/o timeout; pdns2.idline.fr (109.239.119.209): dial tcp 109.239.119.209:53: i/o timeout.
    #19
  • ✓ EDNS supported #20
    All nameservers support EDNS(0).
  • ✓ Public addresses #21
    All nameserver addresses are publicly routable.

SOA

pass

serial 2022092302 · primary pdns1.idline.fr

Found

Primary (MNAME)
pdns1.idline.fr
Contact (RNAME)
postmaster.grandpoitiers.fr
Serial
2022092302
Refresh / retry
86400 s / 21600 s
Expire
3600000 s
Negative TTL
86400 s

Serial per nameserver

NameserverSerial
pdns1.idline.fr (109.239.119.203)2022092302
pdns2.idline.fr (109.239.119.209)2022092302

Checks

  • ✓ Serial 2022092302 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 6h, expire 1000h, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver pdns1.idline.fr is one of the listed nameservers.
  • ✓ Contact postmaster@grandpoitiers.fr #25
    The SOA RNAME postmaster.grandpoitiers.fr means postmaster@grandpoitiers.fr.
  • ✓ Date-based serial #26
    The serial 2022092302 follows the YYYYMMDDnn convention (2022-09-23).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
5 November 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
8253ECDSAP256SHA256 (13)SHA256 64C4664D0F7E6118…yes

DNSKEY in the zone

Key tagRoleAlgorithm
8253KSK (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 8253 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Signatures valid until 2026-11-05 #30
    The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
  • i
    NSEC
    The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.
    #31

Records

info

14 records at the apex

Found

Read from
109.239.119.203:53
TypeValueTTL
SOApdns1.idline.fr. postmaster.grandpoitiers.fr. 2022092302 86400 21600 3600000 864003600
NSpdns1.idline.fr.3600
NSpdns2.idline.fr.3600
A37.187.152.67300
MX0 grandpoitiers-fr.mail.protection.outlook.com.3600
TXT"MS=ms61493511"3600
TXT"trend-micro-v1-domain-verification.9cb8f6b3d1933bee5b2c721afba4fc2a=3517c997-7ae5-4d46-b488-d28a134dc5ab"3600
TXT"sendinblue-code:d35bf4ab791ee96dcbc233986daa9fef"3600
TXT"apple-domain-verification=aA8h7CAelfajHOm0"3600
TXT"v=spf1 a mx ip4:37.187.152.67 ip4:90.83.155.251 ip4:81.252.22.129 include:spf.protection.outlook.com include:spf.sendinblue.com include:spf.cap-collectif.com include:turbo-smtp.com -all"3600
TXT"brevo-code:3d0ab04e9f609765cea52de213bf252c"3600
TXT"LESVFVALBeR5CQp32Sy5WAJSVtZMGuTJZx9XUUiKu4m/98UiJXLcUT+kKLsaMsl7K7D1nc30aSdJmks5+ngmPQ=="3600
TXT"brevo-code:90f14c34543c689d74898ee5731ba989"3600
TXT"MS=C64F45C0C620E0F9834FD3B6BA7167C0882E4917"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, 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