Domain report: univ-nantes.fr

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: 5 June 2026
Expires: 31 December 2026
Status: active
Registry nameservers: dns1.univ-nantes.fr, dns2.univ-nantes.fr, vps-unicaen.unicaen.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

dns1.univ-nantes.fr, dns2.univ-nantes.fr, vps-unicaen.unicaen.fr

Found

Parent zone: fr
Delegation from: d.nic.fr (194.0.9.1)
NS at the parent: dns1.univ-nantes.fr, dns2.univ-nantes.fr, vps-unicaen.unicaen.fr
NS in the zone: dns1.univ-nantes.fr, dns2.univ-nantes.fr, ipam-dns2-fr.univ-nantes.fr, vps-unicaen.unicaen.fr

Nameserver	Addresses	Network (AS)	Glue
dns1.univ-nantes.fr	193.52.108.41 2001:660:7220:382::5353	AS2200 FR-RENATER - Renater, FR AS2200 FR-RENATER - Renater, FR	193.52.108.41 2001:660:7220:382::5353
dns2.univ-nantes.fr	193.52.101.20	AS2200 FR-RENATER - Renater, FR	193.52.101.20
ipam-dns2-fr.univ-nantes.fr (zone only)	193.52.108.46	AS2200 FR-RENATER - Renater, FR	-
vps-unicaen.unicaen.fr	51.210.107.144 2001:41d0:304:200::14df	AS16276 OVH - OVH SAS, FR AS16276 OVH - OVH SAS, FR	51.210.107.144 2001:41d0:304:200::14df

Checks

✓ 3 nameservers #6

Delegated to dns1.univ-nantes.fr, dns2.univ-nantes.fr, vps-unicaen.unicaen.fr.
!

NS sets differ

The nameservers at the parent and in the zone should be the same. Only in the zone: ipam-dns2-fr.univ-nantes.fr. dns1.univ-nantes.fr, dns2.univ-nantes.fr, ipam-dns2-fr.univ-nantes.fr, vps-unicaen.unicaen.fr report NS dns1.univ-nantes.fr dns2.univ-nantes.fr ipam-dns2-fr.univ-nantes.fr vps-unicaen.unicaen.fr.

#7
✓ Glue present and correct #8

Glue is published for the nameservers inside the zone: dns1.univ-nantes.fr, dns2.univ-nantes.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 3 IPv4 /24s and 2 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS16276 (OVH - OVH SAS, FR): 2 addresses; AS2200 (FR-RENATER - Renater, FR): 4 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
i

Partly IPv6

These nameservers have no IPv6 address: dns2.univ-nantes.fr, ipam-dns2-fr.univ-nantes.fr.

#13

Nameservers

info

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
dns1.univ-nantes.fr 193.52.108.41	NOERROR, 21 ms, authoritative	no	yes / yes	refused	univ-nantes public DNS1 server
dns1.univ-nantes.fr 2001:660:7220:382::5353	NOERROR, 21 ms, authoritative	no	yes / yes	refused	univ-nantes public DNS1 server
dns2.univ-nantes.fr 193.52.101.20	NOERROR, 21 ms, authoritative	no	yes / yes	refused	univ-nantes public DNS2 server
ipam-dns2-fr.univ-nantes.fr 193.52.108.46	NOERROR, 21 ms, authoritative	no	yes / yes	refused	-
vps-unicaen.unicaen.fr 51.210.107.144	NOERROR, 19 ms, authoritative	no	yes / yes	refused	unknown
vps-unicaen.unicaen.fr 2001:41d0:304:200::14df	NOERROR, 19 ms, authoritative	no	yes / yes	refused	unknown

Checks

✓ All respond #14

All 6 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: dns1.univ-nantes.fr: "univ-nantes public DNS1 server"; dns2.univ-nantes.fr: "univ-nantes public DNS2 server"; vps-unicaen.unicaen.fr: "unknown".

#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 2026023846 · primary ipam-dns2-fr.univ-nantes.fr

Found

Primary (MNAME): ipam-dns2-fr.univ-nantes.fr
Contact (RNAME): root.univ-nantes.fr
Serial: 2026023846
Refresh / retry: 3600 s / 600 s
Expire: 1209600 s
Negative TTL: 3600 s

Serial per nameserver

Nameserver	Serial
dns1.univ-nantes.fr (193.52.108.41)	2026023846
dns1.univ-nantes.fr (2001:660:7220:382::5353)	2026023846
dns2.univ-nantes.fr (193.52.101.20)	2026023846
ipam-dns2-fr.univ-nantes.fr (193.52.108.46)	2026023846
vps-unicaen.unicaen.fr (51.210.107.144)	2026023846
vps-unicaen.unicaen.fr (2001:41d0:304:200::14df)	2026023846

Checks

✓ Serial 2026023846 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 1h, retry 10m, expire 14d, negative TTL 1h.
✓ Primary is a public nameserver #24

The primary nameserver ipam-dns2-fr.univ-nantes.fr is one of the listed nameservers.
✓ Contact root@univ-nantes.fr #25

The SOA RNAME root.univ-nantes.fr means root@univ-nantes.fr.
✓ Timestamp serial #26

The serial 2026023846 is a Unix timestamp (2034-03-15 08:24 UTC).

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

35 records at the apex

Found

Read from: 193.52.108.41:53

Type	Value	TTL
SOA	ipam-dns2-fr.univ-nantes.fr. root.univ-nantes.fr. 2026023846 3600 600 1209600 3600	3600
NS	ipam-dns2-fr.univ-nantes.fr.	3600
NS	dns1.univ-nantes.fr.	3600
NS	dns2.univ-nantes.fr.	3600
NS	vps-unicaen.unicaen.fr.	3600
A	193.52.104.15	300
MX	10 mx2.relay.renater.fr.	500
MX	10 mx1.relay.renater.fr.	500
TXT	"ZOOM_verify_C1pS9PCoRs602eclnomhdg"	300
TXT	"v=spf1 include:spf0.univ-nantes.fr include:spf.brevo.com ?all"	300
TXT	"brevo-code:f481c81079d455e91a1dc99bd19883cd"	300
TXT	"brevo-code:b4d97b1357a2874b73290a9b16c29a9e"	300
TXT	"MS=ms48188586"	300
TXT	"brevo-code:29c047f2396cc14b651df4bf8f716b29"	300
TXT	"MS=BD7CDC6284BC80997E40B423397C42C479359EA3"	300
TXT	"brevo-code:2f4348ba756226fa003c0aa1da3b879b"	300
TXT	"Sendinblue-code:9258aa9521121bd11833a287f1437d0f"	300
TXT	"arsen-verification=4a07388964bf38057a40defdd90b6349f34c8b621e23e36dcc9e4ccc6cf7a6e9"	300
TXT	"google-site-verification=v7gDQbNbR7b-6k9Nutoi3hidKnE_PboicOwnG0SfPAo"	300
TXT	"brevo-code:9258aa9521121bd11833a287f1437d0f"	300
TXT	"yahoo-verification-key=oEp0GSWhF1R8xL72HBi2CaYUAVBNPkwaE/8JKKNlkr8="	300
TXT	"docusign=675a8980-28e1-4344-bf53-42bf3e91a650"	300
TXT	"brevo-code:bf6b614ed567c71301880d249f0756cf"	300
TXT	"brevo-code:c172c0ccdbb03115d8fda857abccccd3"	300
TXT	"adobe-idp-site-verification=b0771e72537f95596584a27fe6f60b6a25fac056afbc07f7cd5dd786679f9ff6"	300
TXT	"facebook-domain-verification=6mqa7pgbiue0g5sr375ke85kepwrmt"	300
TXT	"google-site-verification=KfLHBEwPgXUjfA6ItMVNy7b_uPrPZq7WtqpKGjRxwPU"	300
TXT	"brevo-code:afdcfd631c8afa7be58eb3aabc679370"	300
TXT	"docusign=eae97d38-51ed-466d-8001-dcbe894e2bdb"	300
CAA	0 issuewild "amazon.com"	3600
CAA	0 issue "harica.gr"	3600
CAA	0 issue "amazon.com"	3600
CAA	0 issue "godaddy.com"	3600
CAA	0 issue "letsencrypt.org"	3600
CAA	0 issuewild "harica.gr"	3600

Checks

✓ TTLs within range #32

TTLs: A 5m, MX 8m20s, 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.
✓ CAA restricts issuance #35

Certificates may be issued by: amazon.com, harica.gr, godaddy.com, letsencrypt.org.