mx3.polytechnique.org - dns.ninja

`mx3.polytechnique.org`

DNSSEC	⚠️ Not signed
A	2001:41d0:a:7ae5::6d78:33^{🇫🇷 OVH2001:41d0::/32 IPv6}
		PTR	`mx3v6.polytechnique.org`
A	91.121.62.107^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
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)
rank #430162 globally
rank #32585 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #550,980

PTR for

107.62.121.91.in-addr.arpa

MX for

Previously MX for

federez.net

Same first word

mx3.ca

mx3.net

mx3.memset.net

mx3.online

mx3.jp

mx3.cc

mx3.app

mx3.gouv.ci

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mx3.in-berlin.de

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mx3.myshopify.com

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mx3.uni5.net

mx3.email

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mx3.me

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mx3.tv

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mx3.at

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mx3.fr

mx3.it

Similar names

x3m.ru

x3m.com.co

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3xm.at

m3x.online

m3x.at

m3x.de

x3m.dk

m3x.com

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m3x.pw

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3mx.biz

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m3x.me

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3xm.photos

m3x.cc

x3m.cz

3xm.com

m3x.ru

x3m.be

3xm.online

m3x.net

x3m.co.uk

x3m.ca

xm3.com

3mx.net

x3m.no

x3m.org

3xm.pl

3mx.eu

x3m.com

3xm.us

3xm.nl

x3m.sk

3xm.ru

x3m.pw

xm3.cn

x3m.com.mx

x3m.de

x3m.pl

m3x.net.br

3xm.com.br

3mx.de

m3x.org

3mx.us

x3m.co

3xm.cn

x3m.me

3xm.gallery

x3m.eu

m3x.digital

3xm.net

xm3.ru

3xm.ie

xm3.net

m3x.com.br

3mx.ru

x3m.nl

x3m.li

3mx.be

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xm3.biz

x3m.us.com

x3m.lu

3xm.info

x3m.biz

3mx.com

m3x.it

3xm.jp

x3m.fi

xm3.org

DNS History

2 records (2 active, 0 former)

●A2001:41d0:a:7ae5::6d78:332026-02-15 → 2026-06-13 · 3 obs

○ 2015-08-19 14:28:58
● 2026-02-15 07:50:20
● 2026-06-13 23:39:40

●A91.121.62.1072015-08-19 → 2026-06-13 · 2 obs

● 2015-08-19 14:28:58
● 2026-06-13 23:39:40

🔍 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	ns3.polytechnique.org, ns1.polytechnique.org, ns2.polytechnique.org	3 records

✅ Authoritative Response

Server:5.196.91.229

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.121.62.107`
AAAA	1	`2001:41d0:a:7ae5::6d78:33`
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 blog-x.org, 1981.polytechnique.org, m4x.fr, forum-test.polytechnique.org, paristech.m4x.org and a few others have mx3.polytechnique.org as their mail server.

As mail servers, mx2.polytechnique.org and mx1.polytechnique.org are frequently found alongside mx3.polytechnique.org.

IP Addresses

mx3.polytechnique.org points to two IP numbers: 91.121.62.107 and 2001:41d0:a:7ae5::6d78:33.

mx3v6.polytechnique.org, for instance, is one of the other host names sharing IP numbers with mx3.polytechnique.org.