inria.fr

Checked 22 October 2026, 03:30 UTC · via 8.8.8.8
✗Problems found
23 passed 2 warnings 1 failed 5 info

Registration

info

.fr country-code · GIP RENATER · expires 2026-12-31

Found

TLD
.fr (country-code)
ICANN policies apply
no
Registrar
GIP RENATER
Registered
31 December 1994
Last changed
31 January 2026
Expires
31 December 2026
Status
active
Registry nameservers
dns-ext2.inria.fr, dns.cs.wisc.edu, dns.inria.fr, ns2.nic.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 2026-12-31 #3
    The registration is valid until 2026-12-31 (70 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

dns-ext2.inria.fr, dns.cs.wisc.edu, dns.inria.fr, ns2.nic.fr

Found

Parent zone
fr
Delegation from
d.nic.fr (194.0.9.1)
NS at the parent
dns-ext2.inria.fr, dns.cs.wisc.edu, dns.inria.fr, ns2.nic.fr
NS in the zone
dns-ext2.inria.fr, dns.inria.fr, ns2.nic.fr
NameserverAddressesNetwork (AS)Glue
dns-ext2.inria.fr193.51.193.133AS2200 FR-RENATER - Renater, FR193.51.193.133
dns.cs.wisc.edu (parent only)128.105.2.10AS59 WISC-MADISON-AS - University of Wisconsin Madison, US-
dns.inria.fr193.51.208.13AS2200 FR-RENATER - Renater, FR193.51.208.13
ns2.nic.fr192.93.0.4 2001:660:3005:1::1:2AS2486 NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR AS2486 NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR-

Checks

  • ✓ 4 nameservers #6
    Delegated to dns-ext2.inria.fr, dns.cs.wisc.edu, dns.inria.fr, ns2.nic.fr.
  • !
    NS sets differ
    The nameservers at the parent and in the zone should be the same. Only at the parent: dns.cs.wisc.edu. dns-ext2.inria.fr, dns.inria.fr, ns2.nic.fr report NS dns-ext2.inria.fr dns.inria.fr ns2.nic.fr.
    #7
  • ✓ Glue present and correct #8
    Glue is published for the nameservers inside the zone: dns-ext2.inria.fr, dns.inria.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 1 IPv6 /48.
  • ✓ 3 autonomous systems #11
    The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 2 addresses; AS2486 (NIC-FR-DNS-UNICAST-PARIS2 - AFNIC (Association Francaise pour le Nommage Internet en Cooperation), FR): 2 addresses; AS59 (WISC-MADISON-AS - University of Wisconsin Madison, US): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .edu, .fr.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: dns-ext2.inria.fr, dns.cs.wisc.edu, dns.inria.fr.
    #13

Nameservers

fail

4 of 5 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
dns-ext2.inria.fr 193.51.193.133NOERROR, 14 ms, authoritativenoyes / yesrefused-
dns.cs.wisc.edu 128.105.2.10no responsenono / no--
dns.inria.fr 193.51.208.13NOERROR, 25 ms, authoritativenoyes / yesrefused-
ns2.nic.fr 192.93.0.4NOERROR, 16 ms, authoritativenoyes / yesrefusedPlease contact dnsops@afnic.fr
ns2.nic.fr 2001:660:3005:1::1:2NOERROR, 16 ms, authoritativenoyes / yesrefusedPlease contact dnsops@afnic.fr

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: dns.cs.wisc.edu (128.105.2.10): read udp 46.225.38.91:42234->128.105.2.10:53: i/o timeout.
    #14
  • ✓ 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: ns2.nic.fr: "Please contact dnsops@afnic.fr".
    #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 2026102119 · primary dns.inria.fr

Found

Primary (MNAME)
dns.inria.fr
Contact (RNAME)
hostmaster.inria.fr
Serial
2026102119
Refresh / retry
7200 s / 1800 s
Expire
3600000 s
Negative TTL
900 s

Serial per nameserver

NameserverSerial
dns-ext2.inria.fr (193.51.193.133)2026102119
dns.inria.fr (193.51.208.13)2026102119
ns2.nic.fr (192.93.0.4)2026102119
ns2.nic.fr (2001:660:3005:1::1:2)2026102119

Checks

  • ✓ Serial 2026102119 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 30m, expire 1000h, negative TTL 15m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver dns.inria.fr is one of the listed nameservers.
  • ✓ Contact hostmaster@inria.fr #25
    The SOA RNAME hostmaster.inria.fr means hostmaster@inria.fr.
  • ✓ Date-based serial #26
    The serial 2026102119 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

12 records at the apex

Found

Read from
193.51.193.133:53
TypeValueTTL
SOAdns.inria.fr. hostmaster.inria.fr. 2026102119 7200 1800 3600000 900172800
NSdns.inria.fr.7200
NSns2.nic.fr.7200
NSdns-ext2.inria.fr.7200
A128.93.162.123300
MX10 mail2-smtp-roc.national.inria.fr.7200
MX10 mail3-smtp-sop.national.inria.fr.7200
TXT"v=spf1 ip4:128.93.142.0/24 ip4:192.134.164.0/24 ip4:128.93.162.160 ip4:128.93.162.3 ip4:128.93.162.88 ip4:128.93.162.27 mx ~all"3600
TXT"apple-domain-verification=7l0IgbHWrmhBfUdD"3600
TXT"MS=E70C351D7AF3BDFCA77866BCF5E2B6DCFC7D9593"3600
TXT"HARICA-UHrMQdqqFIcDy9ZrOiU"3600
TXT"cisco-ci-domain-verification=1c1bef905e57508425cea193d6eac6b59f29bb0babc0ebd015c9304a00e0986"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 5m, MX 2h, NS 2h. The NS TTL at the parent is 1h and in the zone 2h; 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