chu-poitiers.fr

Checked 22 October 2026, 02:16 UTC · via 8.8.8.8
!Passed with warnings
23 passed 4 warnings 0 failed 4 info

Registration

info

.fr country-code · GIP RENATER · expires 2027-05-06

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GIP RENATER
Registered
10 December 1997
Last changed
30 June 2026
Expires
6 May 2027
Status
active
Registry nameservers
srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.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 2027-05-06 #3
    The registration is valid until 2027-05-06 (196 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

srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.fr
NS in the zone
srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.fr, srvdns03.chu-poitiers.fr
NameserverAddressesNetwork (AS)Glue
srvdns01.chu-poitiers.fr194.214.37.3AS2200 FR-RENATER - Renater, FR194.214.37.3
srvdns02.chu-poitiers.fr194.214.37.6AS2200 FR-RENATER - Renater, FR194.214.37.6
srvdns03.chu-poitiers.fr (zone only)37.64.131.91AS15557 LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA, FR-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.fr.
    #6
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only in the zone: srvdns03.chu-poitiers.fr. srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.fr, srvdns03.chu-poitiers.fr report NS srvdns01.chu-poitiers.fr srvdns02.chu-poitiers.fr srvdns03.chu-poitiers.fr.
    #7
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: srvdns01.chu-poitiers.fr, srvdns02.chu-poitiers.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 0 IPv6 /48s.
  • ✓ 2 autonomous systems #11
    The nameservers are spread over: AS15557 (LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA, FR): 1 address; AS2200 (FR-RENATER - Renater, FR): 2 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
  • !
    No IPv6
    None of the nameservers has an IPv6 address, so IPv6-only resolvers can't reach them.
    #13

Nameservers

warn

3 of 3 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
srvdns01.chu-poitiers.fr 194.214.37.3NOERROR, 23 ms, authoritativenoyes / yesrefused9.18.24-1-Debian
srvdns02.chu-poitiers.fr 194.214.37.6NOERROR, 20 ms, authoritativenoyes / yesrefused9.18.24-1-Debian
srvdns03.chu-poitiers.fr 37.64.131.91NOERROR, 27 ms, authoritativenoyes / yesrefused9.18.24-1-Debian

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.
  • !
    Software version disclosed
    These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: srvdns01.chu-poitiers.fr: "9.18.24-1-Debian"; srvdns02.chu-poitiers.fr: "9.18.24-1-Debian"; srvdns03.chu-poitiers.fr: "9.18.24-1-Debian". Hide or replace the version string.
    #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 2026101203 · primary srvdns01.chu-poitiers.fr

Found

Primary (MNAME)
srvdns01.chu-poitiers.fr
Contact (RNAME)
root.chu-poitiers.fr
Serial
2026101203
Refresh / retry
86400 s / 21600 s
Expire
3600000 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
srvdns01.chu-poitiers.fr (194.214.37.3)2026101203
srvdns02.chu-poitiers.fr (194.214.37.6)2026101203
srvdns03.chu-poitiers.fr (37.64.131.91)2026101203

Checks

  • ✓ Serial 2026101203 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 1d, retry 6h, expire 1000h, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver srvdns01.chu-poitiers.fr is one of the listed nameservers.
  • ✓ Contact root@chu-poitiers.fr #25
    The SOA RNAME root.chu-poitiers.fr means root@chu-poitiers.fr.
  • ✓ Date-based serial #26
    The serial 2026101203 follows the YYYYMMDDnn convention (2026-10-12).

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

pass

19 records at the apex

Found

Read from
194.214.37.3:53
TypeValueTTL
SOAsrvdns01.chu-poitiers.fr. root.chu-poitiers.fr. 2026101203 86400 21600 3600000 3600300
NSsrvdns01.chu-poitiers.fr.300
NSsrvdns02.chu-poitiers.fr.300
NSsrvdns03.chu-poitiers.fr.300
A51.83.127.41300
MX5 mx2.chu-poitiers.fr.300
MX5 mx1.chu-poitiers.fr.300
TXT"GWokSQ+rEsxaQ30W9p0Ujg"300
TXT"cisco-ci-domain-verification=314b6c0f37942f817f55159f1fb0a3ffc92723fc500d4a344760ba46eaa4de61"300
TXT"apple-domain-verification=N623ZbI1xM1SLZdM"300
TXT"mc08c87vcr88f7nkdgdu5090ek"300
TXT"HARICA-fKCckM1iHLf1Gy8mPjt"300
TXT"MS=E56D3D2657CC4D2AF1454B6B0219A83304D848D7"300
TXT"v=spf1 ip4:37.64.131.80/31 ip4:37.64.131.82 ip4:164.138.244.137/32 ip4:194.214.38.191/32 ip4:51.83.127.34 ip4:62.4.23.173/32 include:spf.eudonet.com include:spf.mailinblack.com include:servers.etarget-emailing.com include:spf.postal.sensiwave.com -all"300
CAA0 issuewild "harica.gr"300
CAA0 issuewild "sectigo.com"300
CAA0 issue "harica.gr"300
CAA0 issue "sectigo.com"300
CAA0 iodef "mailto:thibaut.bascoulergue@chu-poitiers.fr"300

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 5m, NS 5m. The NS TTL at the parent is 1h and in the zone 5m; 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.
  • ✓ CAA restricts issuance #35
    Certificates may be issued by: harica.gr, sectigo.com.