`dec.ens.fr`

CNAME	`lumiere.ens.fr`
DNSSEC	⚠️ Not signed
A	129.199.80.1^{🇫🇷 FR-RENATER129.199.0.0/16 FR-ENS-NET}
		PTR	`lumiere.ens.fr`
MX	`nef.ens.fr` ⭐
		A	129.199.96.32^{🇫🇷 FR-RENATER129.199.0.0/16 FR-ENS-NET}
			PTR	`nef.ens.fr`

`ens.fr`

	DNSSEC	⚠️ Not signed
	A	129.199.166.211^{🇫🇷 FR-RENATER129.199.0.0/16 FR-ENS-NET}
	A	129.199.166.212^{🇫🇷 FR-RENATER129.199.0.0/16 FR-ENS-NET}
	NS	`ns1.ens.fr` ⭐
	NS	`ext.lri.fr`
	NS	`ns.ens.fr`
	NS	`ns2.ens.fr`
	NS	`ns2.nic.fr`
	MX	`mx1.relay.renater.fr` ⭐
	MX	`mx2.relay.renater.fr` ⭐
	TXT	`apple-domain-verification=dLqshYXme7ZxLNGC`
	TXT	`google-site-verification=htti69mp2Mpt7vhxWUyefNCWwcYttyzSL5a6kmcoxRs`
	TXT	`v=spf1 mx ip4:129.199.96.32/28 ip4:129.199.96.3 ip4:5.135.56.216 include:spf....`
	TXT	`HARICA-3TqNrgHLQxGMBm58MbN`
	TXT	`MS=ms47118652`
	SOA	`ns.ens.fr`dnsmaster@ens.fr 2026-04-10 #1

WOT: SAFE (92/100)
rank #4799 globally
rank #56 in the tld
This domain "ens.fr" is the official website of École Normale Supérieure (ENS), a higher education establishment based in Paris, France. The ENS is one of the most prestigious French institutions for higher education and research. The ".fr" indicates that it is a French website.WOT: SAFE (92/100)
📈 Tranco rank: #16,247

Subdomains

sapience.dec.ens.fr

lnc2.dec.ens.fr

Same first word

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DNS History

3 records (1 active, 2 former)

○MXnef.ens.fr2015-11-13 → 2016-04-25 · 4 obs

● 2015-11-13 19:04:00
● 2016-04-25 01:21:58
○ 2026-02-18 05:59:20
○ 2026-04-12 10:31:42

○A129.199.80.12015-07-10 → 2016-04-25 · 4 obs

● 2015-07-10 01:49:08
● 2016-04-25 01:21:58
○ 2026-02-18 05:59:20
○ 2026-04-12 10:31:42

●CNAMElumiere.ens.fr2015-07-10 → 2026-04-12 · 2 obs

● 2015-07-10 01:49:08
● 2026-04-12 10:31:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	f.ext.nic.fr, d.nic.fr, g.ext.nic.fr	-
ens.fr	ns1.ens.fr, ns2.ens.fr, ext.lri.fr, ns.ens.fr...	4 records

✅ Authoritative Response

Server:129.199.98.16

NS records: ns1.ens.fr, ns2.ens.fr, ext.lri.fr, ns.ens.fr, ns2.nic.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ens.fr (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`lumiere.ens.fr`

📌 Glue Records Collected

Total: 4

In-bailiwick: 3 (ns2.ens.fr, ns1.ens.fr, ns.ens.fr)

Out-of-bailiwick: 1 (ext.lri.fr)

Analysis

Hierarchy

dec.ens.fr is the parent of sapience.dec.ens.fr and lnc2.dec.ens.fr.

IP Addresses

dec.ens.fr points to an IP address: 129.199.80.1.

Other host names, for instance lumiere.ens.fr, share IP numbers with dec.ens.fr.

Mail Servers

dec.ens.fr is handled by a single mail server, nef.ens.fr.

dec.ens.fr uses the same mail server setup as other domains, for instance dhcp-12-112.ens.fr, rezo-mtrg-86.ens.fr, www.ens.psl.eu, www.bib.ens.fr and wf112.di.ens.fr.

dec.ens.fr shares at least some mail servers with other domains, for instance lists.chimie.ens.fr.

The host name nef.ens.fr points to IP 129.199.96.32.

dec.ens.fr - robtex.com

dec.ens.fr

ens.fr