`polytech-clermont.net`

DNSSEC	⚠️ Not signed
A	37.187.154.190^{🇫🇷 OVH37.187.0.0/16}
		PTR	`siu1.polytech-reseau.org`
NS	`ns321257.ip-37-187-154.eu` ⭐
		A	37.187.154.190^{🇫🇷 OVH37.187.0.0/16}
			PTR	`siu1.polytech-reseau.org`
NS	`ns335557.ip-176-31-229.eu`
		A	176.31.229.169^{🇫🇷 OVH176.31.0.0/16 ISP Paris, France}
			PTR	`siu2.polytech-reseau.org`
MX	`ns321257.ip-37-187-154.eu` ⭐
		A	37.187.154.190^{🇫🇷 OVH37.187.0.0/16}
			PTR	`siu1.polytech-reseau.org`
TXT	`v=spf1 mx ip4:37.187.154.190 ip4:176.31.229.169 ip6:2001:41d0:2:f6a9:: ip6:20...`
SOA	`ns321257.ip-37-187-154.eu`postmaster@polytech-reseau.org 2024-12-13 #1

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774391802

Same first word

polytech-clermont.net

polytech-clermont.fr

DNS History

11 records (4 active, 7 former)

○NSalbanie.ilot.org2007-10-17 → 2017-02-14 · 4 obs

● 2007-10-17 04:28:34
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

○NSbeuvry.escaut.net2015-06-23 → 2017-02-14 · 5 obs

○ 2007-10-17 04:28:34
● 2015-06-23 00:03:22
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

○NScalimero.authie.net2007-10-17 → 2017-02-14 · 4 obs

● 2007-10-17 04:28:34
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

○NSdouaisis.escaut.net2007-10-17 → 2007-10-17 · 3 obs

● 2007-10-17 04:28:34
○ 2015-06-23 00:03:22
○ 2026-03-24 22:47:24

○NSns1.dns.com.cn2017-02-14 → 2017-02-14 · 4 obs

○ 2015-06-23 00:03:22
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

○NSns2.dns.com.cn2017-02-14 → 2017-02-14 · 4 obs

○ 2015-06-23 00:03:22
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

●NSns321257.ip-37-187-154.eu2018-08-21 → 2026-03-24 · 3 obs

○ 2017-02-14 22:36:26
● 2018-08-21 09:24:32
● 2026-03-24 22:47:24

●NSns335557.ip-176-31-229.eu2018-08-21 → 2026-03-24 · 3 obs

○ 2017-02-14 22:36:26
● 2018-08-21 09:24:32
● 2026-03-24 22:47:24

○MXdouaisis.escaut.net2007-10-17 → 2017-02-14 · 4 obs

● 2007-10-17 04:28:34
● 2017-02-14 22:36:26
○ 2018-08-21 09:24:32
○ 2026-03-24 22:47:24

●MXns321257.ip-37-187-154.eu2018-08-21 → 2026-03-24 · 3 obs

○ 2017-02-14 22:36:26
● 2018-08-21 09:24:32
● 2026-03-24 22:47:24

●A37.187.154.1902018-08-21 → 2026-03-24 · 2 obs

● 2018-08-21 09:24:32
● 2026-03-24 22:47:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
polytech-clermont.net	ns321257.ip-37-187-154.eu, ns335557.ip-176-31-229.eu	-

✅ Authoritative Response

Server:37.187.154.190

NS records: ns321257.ip-37-187-154.eu, ns335557.ip-176-31-229.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytech-clermont.net (unsigned zone)

⏱️ Timing

Total: 955ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.187.154.190`
NS	2	`ns335557.ip-176-31-229.eu, ns321257.ip-37-187-154.eu`
MX	1	`ns321257.ip-37-187-154.eu (pri: 100)`
TXT	1	`v=spf1 mx ip4:37.187.154.190 ip4:176.31.`
SOA	1	`ns321257.ip-37-187-154.eu postmaster.pol`

Analysis

IP Addresses

polytech-clermont.net points to a single IP number: 37.187.154.190.

Other host names, for instance polytech-montpellier.net, archimede-groupe.org, polytech-savoie.fr, polytech-orleans.fr and polytech-parisupmc.net share IP numbers with polytech-clermont.net.

Name Servers

polytech-clermont.net is delegated to two name servers: ns335557.ip-176-31-229.eu and ns321257.ip-37-187-154.eu.

polytech-clermont.net uses the same name server setup as other domains, for instance polytech-montpellier.fr, polytech-clermontferrand.fr, polytech-grenoble.fr, polytech-montpellier.net and archimede-groupe.org.

polytech-clermont.net shares name servers with other domains at least partially, for instance yser.net, 64.48.193.in-addr.arpa, 57.48.193.in-addr.arpa, authie.net and escaut.net.

These name servers are commonly used with beuvry.escaut.net, calimero.authie.net, albanie.ilot.org and buzz.polytech-lille.org.

Host names with one IP number:

ns335557.ip-176-31-229.eu points to: 176.31.229.169.

ns321257.ip-37-187-154.eu points to: 37.187.154.190.

Mail Servers

The mail server for polytech-clermont.net is ns321257.ip-37-187-154.eu.

polytech-clermont.net shares the same mail server setup as other domains, including polytech-montpellier.net, archimede-groupe.org, polytech-savoie.fr, polytech-orleans.fr and polytech-parisupmc.net.

polytech-clermont.net - robtex.com