`mx2.enst.fr`

DNSSEC	⚠️ Not signed
A	2a04:8ec0:0:2::136^{🇫🇷 FR-RENATER-ENST2a04:8ec0::/48}
		PTR	`mx2.enst.fr`
A	137.194.2.136^{🇫🇷 FR-RENATER-ENST137.194.2.0/23}

`enst.fr`

	DNSSEC	⚠️ Not signed
	NS	`ns-auth1.enst.fr` ⭐
	NS	`ns-auth2.enst.fr`
	NS	`ns4.int-evry.fr`
	MX	`mx1.enst.fr` ⭐
	MX	`mx2.enst.fr`⁽²⁰⁾
	TXT	`HARICA-be6qADcK3qR7XFj6Z4n`
	TXT	`cisco-ci-domain-verification=28ce1d5b774cf042111063281648e26dc3397a6ffcd2ff4d...`
	TXT	`v=spf1 ip4:137.194.2.45 ip6:2a04:8ec0:0:2::45 ip4:137.194.2.138/31 ip6:2a04:8...`
	SOA	`ns-auth1.enst.fr`hostmaster@enst.fr 2026-04-12 #0

rank #36109 globally
rank #517 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #67,558

PTR for

6.3.1.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.0.0.0.0.0.c.e.8.4.0.a.2.ip6.arpa

136.2.194.137.in-addr.arpa

8.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.f.0.3.3.0.6.6.0.1.0.0.2.ip6.arpa

MX for

Previously MX for

enst.enst.fr

paristech.fr

cfdt.enst.fr

infres5.enst.fr

je.enst.fr

Same first word

mx2.email

mx2.bplaced.net

mx2.org

mx2.kinghost.net

mx2.eu

mx2.agency

mx2.kapsi.fi

mx2.red

mx2.gov.ru

mx2.net

mx2.in-berlin.de

mx2.hu

mx2.law

mx2.tuxfamily.org

mx2.at

mx2.cn

mx2.de

mx2.ca

mx2.nl

mx2.jp

mx2.memset.net

mx2.co

mx2.fr

mx2.se

mx2.uni5.net

mx2.dk

mx2.pb.gov.br

mx2.ru

mx2.cci.fr

mx2.me

mx2.uk

mx2.cc

mx2.dev

mx2.us

mx2.sp.gov.br

mx2.vip

mx2.it

mx2.dnsup.net

mx2.in

mx2.info

mx2.gouv.km

mx2.pl

mx2.cloudaccess.net

mx2.mil.lv

mx2.by

mx2.vg

mx2.com

mx2.io

mx2.life

Similar names

m2x.cn

x2m.co.za

2mx.net

2mx.fr

x2m.de

2mx.org

xm2.us

x2m.biz

2xm.ru

xm2.de

2xm.net

xm2.cl

x2m.com.br

m2x.ru

2mx.co.uk

2mx.at

m2x.app

m2x.co

2mx.info

2xm.pt

m2x.net

xm2.com

2mx.nl

m2x.de

x2m.cn

2xm.info

2mx.ro

2mx.com.br

2xm.com

m2x.it

x2m.ru

2xm.cn

m2x.nl

m2x.alwaysdata.net

2mx.de

2mx.xyz

xm2.ru

2mx.com

xm2.it

x2m.org

m2x.ca

2mx.dev

2xm.dk

m2x.com

2xm.eu

2xm.de

2mx.eu

2xm.com.br

xm2.net

2xm.com.pl

m2x.fr

2mx.it

2mx.cn

2xm.pl

x2m.com

2mx.uk

m2x.org

m2x.cz

m2x.com.tw

xm2.cn

m2x.io

xm2.org

m2x.eu

2mx.cc

DNS History

3 records (2 active, 1 former)

●A137.194.2.1362015-08-06 → 2026-04-12 · 2 obs

● 2015-08-06 13:23:28
● 2026-04-12 04:43:22

○A2001:660:330f:2::882015-08-06 → 2017-08-30 · 4 obs

● 2015-08-06 13:23:28
● 2017-08-30 02:52:00
○ 2026-02-15 03:54:34
○ 2026-04-12 04:43:22

●A2a04:8ec0:0:2::1362026-02-15 → 2026-04-12 · 3 obs

○ 2017-08-30 02:52:00
● 2026-02-15 03:54:34
● 2026-04-12 04:43:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	d.nic.fr, f.ext.nic.fr, g.ext.nic.fr	-
enst.fr	ns-auth2.enst.fr, ns-auth1.enst.fr, ns4.int-evry.fr	6 records

✅ Authoritative Response

Server:137.194.2.157

NS records: ns-auth2.enst.fr, ns-auth1.enst.fr, ns4.int-evry.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for enst.fr (unsigned zone)

⏱️ Timing

Total: 503ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`137.194.2.136`
AAAA	1	`2a04:8ec0:0:2::136`

📌 Glue Records Collected

Total: 6

In-bailiwick: 4 (ns-auth1.enst.fr, ns-auth2.enst.fr, ns-auth1.enst.fr...)

Out-of-bailiwick: 2 (ns4.int-evry.fr, ns4.int-evry.fr)

Analysis

Mail Server Role

mx2.enst.fr acts as the mail server for fondation-mines-telecom.org, telecom-paristech.fr, telecom-paris.fr, telecom-sudparis.eu, telecom-em.eu and a few other domains.

Commonly, mx1.enst.fr, smtp1.int-evry.fr and smtp2.int-evry.fr serve as mail servers together with mx2.enst.fr.

IP Addresses

mx2.enst.fr resolves to two IP numbers: 2a04:8ec0:0:2::136 and 137.194.2.136.

mx2.enst.fr - robtex.com

mx2.enst.fr

enst.fr