polytechs.fr - dns.ninja

`polytechs.fr`

DNSSEC	⚠️ Not signed
NS	`ns01.eolas.fr` ⭐
		A	2a00:4280:100:d00:33ab:7bbd:9949:389^{🇫🇷 EOLAS-AS2a00:4280::/32}
			PTR	`ns01.eolas.fr`
		A	178.237.104.1^{🇫🇷 EOLAS-AS178.237.104.0/24}
			PTR	`ns01.eolas.fr`
NS	`ns0.eolas.fr`
		A	2a00:4280:100:c01:b89a:7fbb:3e3:afbe^{🇫🇷 EOLAS-AS2a00:4280::/32}
		A	31.193.50.204^{🇫🇷 EOLAS-AS31.193.48.0/22 Eolas - Business & Decision Group - datacenter MA}
			PTR	`emdv-dns-prim-1.eolas-services.com`
NS	`ns02.eolas.fr`
		A	2a00:4280:100:e00:833b:4c9:5cf8:8ea0^{🇫🇷 EOLAS-AS2a00:4280::/32}
			PTR	`ns02.eolas.fr`
		A	178.237.108.1^{🇫🇷 EOLAS-AS178.237.108.0/24 Eolas - Business & Decision Group - datacenter MA}
			PTR	`ns02.eolas.fr`
NS	`ns03.eolas-dns.eu`
		A	2001:41d0:a800:801:f592:7c6d:e501:b473^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`ns03.eolas-dns.eu`
		A	51.83.201.211^{🇫🇷 OVH51.83.0.0/16}
			PTR	`ns03.eolas-dns.eu`
MX	`vade-mx-fr01.hornetsecurity.com` ⭐
		A	94.100.138.100^{🇩🇪 IP-Max94.100.138.0/23 HORNETSECURITY-NET via AS25091}
			PTR	`hsmx01-hz12.hornetsecurity.com`
MX	`vade-mx-fr02.hornetsecurity.com` ⭐
		A	94.100.138.100^{🇩🇪 IP-Max94.100.138.0/23 HORNETSECURITY-NET via AS25091}
			PTR	`hsmx01-hz12.hornetsecurity.com`
MX	`vade-mx-eu-fallback01.hornetsecurity.com`⁽²⁰⁾
		A	94.100.132.8^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`mx01.hornetsecurity.com`
MX	`vade-mx-eu-fallback02.hornetsecurity.com`⁽²⁰⁾
		A	94.100.132.8^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`mx01.hornetsecurity.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com ip4:...`
TXT	`_65setk1o2j6nkyzmcnkgi0huutyyv9r`
SOA	`ns0.eolas.fr`hostmaster@eolas.fr 2026-06-08 #0

`fr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.fr` ⭐
	NS	`d.nic.fr`
	NS	`f.ext.nic.fr`
	NS	`g.ext.nic.fr`
	TXT	`47 RRs processed [19/07/2026 23H11:04]`
	SOA	`a.nic.fr`dnsmaster@afnic.fr serial=2245809002

Subdomains

www.polytechs.fr

Same first word

polytechs.com

polytechs.fr

Similar names

spolytech.com

DNS History

15 records (8 active, 7 former)

○NSclb-eip-slave01.ns.priv2015-11-17 → 2015-11-17 · 4 obs

○ 2015-07-04 11:51:42
● 2015-11-17 05:58:10
○ 2016-02-10 13:40:38
○ 2026-07-19 23:36:12

●NSns0.eolas.fr2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

○NSns0.oleane.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 11:51:42
○ 2015-11-17 05:58:10
○ 2026-07-19 23:36:12

●NSns01.eolas.fr2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

●NSns02.eolas.fr2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

●NSns03.eolas-dns.eu2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

○NSns2.oleane.net2015-07-04 → 2018-09-01 · 4 obs

● 2015-07-04 11:51:42
● 2018-09-01 03:22:56
○ 2026-06-16 22:36:12
○ 2026-07-19 23:36:12

○NSns3.oleane.net2015-07-04 → 2018-09-01 · 4 obs

● 2015-07-04 11:51:42
● 2018-09-01 03:22:56
○ 2026-06-16 22:36:12
○ 2026-07-19 23:36:12

○NSns7.oleane.net2016-02-10 → 2018-09-01 · 5 obs

○ 2015-11-17 05:58:10
● 2016-02-10 13:40:38
● 2018-09-01 03:22:56
○ 2026-06-16 22:36:12
○ 2026-07-19 23:36:12

○MXmail.global.frontbridge.com2015-07-04 → 2018-09-01 · 4 obs

● 2015-07-04 11:51:42
● 2018-09-01 03:22:56
○ 2026-06-16 22:36:12
○ 2026-07-19 23:36:12

○MXpolytechs-fr.mail.protection.outlook.com2015-07-04 → 2018-09-01 · 4 obs

● 2015-07-04 11:51:42
● 2018-09-01 03:22:56
○ 2026-06-16 22:36:12
○ 2026-07-19 23:36:12

●MXvade-mx-eu-fallback01.hornetsecurity.com2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

●MXvade-mx-eu-fallback02.hornetsecurity.com2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

●MXvade-mx-fr01.hornetsecurity.com2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

●MXvade-mx-fr02.hornetsecurity.com2026-06-16 → 2026-07-19 · 3 obs

○ 2018-09-01 03:22:56
● 2026-06-16 22:36:12
● 2026-07-19 23:36:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	d.nic.fr, f.ext.nic.fr, g.ext.nic.fr	-
polytechs.fr	ns02.eolas.fr, ns03.eolas-dns.eu, ns01.eolas.fr	4 records

✅ Authoritative Response

Server:51.83.201.211

NS records: ns02.eolas.fr, ns03.eolas-dns.eu, ns01.eolas.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytechs.fr (unsigned zone)

⏱️ Timing

Total: 969ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns02.eolas.fr, ns03.eolas-dns.eu...`
MX	4	`vade-mx-fr02.hornetsecurity.com (pri: 10, vade-mx-eu-fallback01.hornetsecurity.com...`
TXT	2	`_65setk1o2j6nkyzmcnkgi0huutyyv9r, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns0.eolas.fr hostmaster.eolas.fr`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns02.eolas.fr, ns01.eolas.fr, ns02.eolas.fr...)

Analysis

Hierarchy

The domain www.polytechs.fr falls under the parent polytechs.fr.

Name Servers

Four name servers handle the delegation for polytechs.fr: ns03.eolas-dns.eu, ns01.eolas.fr, ns02.eolas.fr and ns0.eolas.fr.

At least some of polytechs.fr's name servers are shared with other domains, for example autodevis.com, ets-houlle.fr, winoamexico.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns03.eolas-dns.eu directs to 51.83.201.211 and 2001:41d0:a800:801:f592:7c6d:e501:b473; ns01.eolas.fr directs to 178.237.104.1 and 2a00:4280:100:d00:33ab:7bbd:9949:389; ns02.eolas.fr directs to 178.237.108.1 and 2a00:4280:100:e00:833b:4c9:5cf8:8ea0; ns0.eolas.fr directs to 31.193.50.204 and 2a00:4280:100:c01:b89a:7fbb:3e3:afbe.

Mail Servers

Mail for polytechs.fr is handled by four mail servers: vade-mx-eu-fallback01.hornetsecurity.com, vade-mx-eu-fallback02.hornetsecurity.com, vade-mx-fr01.hornetsecurity.com and vade-mx-fr02.hornetsecurity.com.

At least some of the mail servers used by polytechs.fr are shared with other domains: oceanbox2.com, raidlight.com, ceho.fr and two others among them.

vade-mx-eu-fallback01.hornetsecurity.com and vade-mx-eu-fallback02.hornetsecurity.com share the IP address 94.100.132.8; vade-mx-fr01.hornetsecurity.com and vade-mx-fr02.hornetsecurity.com share the IP address 94.100.138.100.

These two host names — vade-mx-eu-fallback01.hornetsecurity.com and vade-mx-eu-fallback02.hornetsecurity.com — each point to 94.100.132.8 IP addresses.

These two host names — vade-mx-fr01.hornetsecurity.com and vade-mx-fr02.hornetsecurity.com — each point to 94.100.138.100 IP addresses.