Domain report: limsi.fr

Registration

info

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

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.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).
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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.

info

dns1.u-psud.fr, dns2.u-psud.fr, limsi194.limsi.fr

Nameserver	Addresses	Network (AS)	Glue
dns1.u-psud.fr	129.175.34.24 2001:660:3201::2	AS2269 FR-U-PARISSUD-ORSAY - Renater, EU AS2200 FR-RENATER - Renater, FR	129.175.34.24 2001:660:3201::2
dns2.u-psud.fr	129.175.36.26 2001:660:3201::3	AS2269 FR-U-PARISSUD-ORSAY - Renater, EU AS2200 FR-RENATER - Renater, FR	129.175.36.26 2001:660:3201::3
limsi194.limsi.fr	129.175.134.194	AS2269 FR-U-PARISSUD-ORSAY - Renater, EU	129.175.134.194

✓ 3 nameservers #6

Delegated to dns1.u-psud.fr, dns2.u-psud.fr, limsi194.limsi.fr.
✓ 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: limsi194.limsi.fr.
✓ All names resolve #9

Every nameserver name has an address and is not an alias.
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One address family in one network

all IPv6 addresses are in 2001:660:3201::/48, while the other address family is spread over several networks.

#10
✓ 2 autonomous systems #11

The nameservers are spread over: AS2200 (FR-RENATER - Renater, FR): 2 addresses; AS2269 (FR-U-PARISSUD-ORSAY - Renater, EU): 3 addresses.
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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
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Partly IPv6

These nameservers have no IPv6 address: limsi194.limsi.fr.

#13

warn

5 of 5 addresses answer authoritatively

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
dns1.u-psud.fr 129.175.34.24	NOERROR, 15 ms, authoritative	no	yes / yes	refused	-
dns1.u-psud.fr 2001:660:3201::2	NOERROR, 15 ms, authoritative	no	yes / yes	refused	-
dns2.u-psud.fr 129.175.36.26	NOERROR, 14 ms, authoritative	no	yes / yes	refused	-
dns2.u-psud.fr 2001:660:3201::3	NOERROR, 15 ms, authoritative	no	yes / yes	refused	-
limsi194.limsi.fr 129.175.134.194	NOERROR, 16 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.22.04.7-Ubuntu

✓ All respond #14

All 5 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: limsi194.limsi.fr: "9.18.39-0ubuntu0.22.04.7-Ubuntu". 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.

warn

serial 2026101900 · primary poussin.limsi.fr

✓ Serial 2026101900 everywhere #22

All nameservers serve the same version of the zone.
!

Unusual SOA timers

refresh 10m is outside 20m–1d; retry 1h should be shorter than refresh 10m. Current values: refresh 10m, retry 1h, expire 7d, negative TTL 1d.

#23
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Hidden master

The primary nameserver poussin.limsi.fr is not listed as a nameserver: a hidden master that only feeds the public secondaries. That is a common setup; make sure it is not reachable for zone transfers from outside.

#24
✓ Contact dns@limsi.fr #25

The SOA RNAME dns.limsi.fr means dns@limsi.fr.
✓ Date-based serial #26

The serial 2026101900 follows the YYYYMMDDnn convention (2026-10-19).

warn

Not signed

info

7 records at the apex

✓ TTLs within range #32

TTLs: MX 10m, NS 10m. The NS TTL at the parent is 1h and in the zone 10m; 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.
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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