`mx2.polytechnique.org`

DNSSEC	⚠️ Not signed
A	129.104.30.35^{🇫🇷 FR-RENATER129.104.0.0/16 FR-ECOLE-POLYTECHNIQUE-PALAISEAU}
		PTR	`mx2.polytechnique.org`
TXT	`v=spf1 a -all`

`polytechnique.org`

	DNSSEC	⚠️ Not signed
	A	91.121.62.108^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
	NS	`ns1.polytechnique.org` ⭐
	NS	`ns2.polytechnique.org`
	NS	`ns3.polytechnique.org`
	MX	`mx2.polytechnique.org` ⭐
	MX	`mx3.polytechnique.org`⁽⁵⁾
	TXT	`v=spf1 include:spf.polytechnique.org include:aspmx.googlemail.com ?all`
	SOA	`ns1.polytechnique.org`contact@polytechnique.org 2026-06-05 #2

WOT: SAFE (91/100)
WOT: SAFE (92/100)
📈 Tranco rank: #684,839

PTR for

35.30.104.129.in-addr.arpa

MX for

Previously MX for

m4x.fr

federez.net

Same first word

mx2.pl

mx2.cloudaccess.net

mx2.mil.lv

mx2.my

mx2.vg

mx2.com

mx2.io

mx2.life

mx2.mobi

mx2.email

mx2.bplaced.net

mx2.org

mx2.kinghost.net

mx2.eu

mx2.agency

mx2.gov.lk

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.llc

mx2.solutions

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.mx

mx2.sp.gov.br

mx2.vip

mx2.it

mx2.dnsup.net

mx2.in

mx2.info

mx2.live

mx2.gouv.km

mx2.nz

Similar names

m2x.app

2mx.info

2xm.pt

m2x.net

xm2.com

2mx.nl

x2m.info

m2x.de

x2m.cn

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

xm2.casino

m2x.org

m2x.cz

m2x.com.tw

xm2.cn

m2x.io

xm2.org

m2x.eu

2mx.cc

m2x.cn

x2m.co.za

2mx.net

2mx.ru

2mx.fr

x2m.de

2mx.org

xm2.us

DNS History

1 record (1 active, 0 former)

●A129.104.30.352015-08-01 → 2026-07-24 · 2 obs

● 2015-08-01 15:08:00
● 2026-07-24 16:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
polytechnique.org	ns2.polytechnique.org, ns3.polytechnique.org, ns1.polytechnique.org	3 records

✅ Authoritative Response

Server:5.196.91.229

NS records: ns2.polytechnique.org, ns3.polytechnique.org, ns1.polytechnique.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1553ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`129.104.30.35`
TXT	1	`v=spf1 a -all`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.polytechnique.org, ns2.polytechnique.org, ns3.polytechnique.org)

Analysis

Mail Server Role

The domains polytechnique.org, blog-x.org, 1981.polytechnique.org, forum-test.polytechnique.org, paristech.m4x.org and a few others have mx2.polytechnique.org as their mail server.

The mail servers mx3.polytechnique.org and mx1.polytechnique.org are often used together with mx2.polytechnique.org.

IP Addresses

mx2.polytechnique.org directs to one IP number, which is 129.104.30.35.

Additional host names — including m4x.org and imap.polytechnique.org — share IP numbers with mx2.polytechnique.org.

mx2.polytechnique.org - dns.ninja