`cours-electronique.com`

DNSSEC	⚠️ Not signed
A	185.22.110.186^{🇫🇷 PLANETHOSTER185.22.108.0/22 PlanetHoster France}
		PTR	`hc-dulynobleelf-eu.n0c.com`
NS	`nsa.n0c.com` ⭐
		A	199.188.223.2^{🇨🇦 PLANETHOSTER199.188.223.0/24 arin allocation}
			PTR	`nsa.n0c.com`
NS	`nsb.n0c.com`
		A	85.236.159.2^{🇫🇷 PLANETHOSTER85.236.159.0/24 PlanetHoster Anycast}
			PTR	`nsb.n0c.com`
NS	`nsc.n0c.com`
		A	185.22.111.2^{🇫🇷 PLANETHOSTER185.22.111.0/24 PlanetHoster Anycast}
			PTR	`nsc.n0c.com`
MX	`cours-electronique.com` ⭐
		A	185.22.110.186^{🇫🇷 PLANETHOSTER185.22.108.0/22 PlanetHoster France}
			PTR	`hc-dulynobleelf-eu.n0c.com`
TXT	`v=spf1 a mx ip4:185.22.110.186 ~all`
SOA	`nsa.n0c.com`hostmaster@cours-electronique.com 2026-06-19 #6

`com`

	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=1785235027

MX for

cours-electronique.com

Subdomains

www.cours-electronique.com

Same first word

cours-electronique.com

DNS History

11 records (5 active, 6 former)

○NShybrid1862-1.fr.ns.planethoster.net2020-02-09 → 2020-02-09 · 4 obs

○ 2017-03-19 08:07:06
● 2020-02-09 01:43:22
○ 2026-04-05 07:18:26
○ 2026-07-28 11:03:58

○NShybrid1862.fr.ns.planethoster.net2020-02-09 → 2020-02-09 · 4 obs

○ 2017-03-19 08:07:06
● 2020-02-09 01:43:22
○ 2026-04-05 07:18:26
○ 2026-07-28 11:03:58

●NSnsa.n0c.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-02-09 01:43:22
● 2026-04-05 07:18:26
● 2026-07-28 11:03:58

●NSnsb.n0c.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-02-09 01:43:22
● 2026-04-05 07:18:26
● 2026-07-28 11:03:58

●NSnsc.n0c.com2026-04-05 → 2026-07-28 · 3 obs

○ 2020-02-09 01:43:22
● 2026-04-05 07:18:26
● 2026-07-28 11:03:58

○NSvps1495-1.fr.ns.planethoster.net2016-03-15 → 2017-03-19 · 4 obs

● 2016-03-15 10:32:36
● 2017-03-19 08:07:06
○ 2020-02-09 01:43:22
○ 2026-07-28 11:03:58

○NSvps1495.fr.ns.planethoster.net2016-03-15 → 2017-03-19 · 4 obs

● 2016-03-15 10:32:36
● 2017-03-19 08:07:06
○ 2020-02-09 01:43:22
○ 2026-07-28 11:03:58

●MXcours-electronique.com2016-03-15 → 2026-07-28 · 2 obs

● 2016-03-15 10:32:36
● 2026-07-28 11:03:58

○A146.88.235.1402020-02-09 → 2020-02-09 · 4 obs

○ 2017-03-19 08:07:06
● 2020-02-09 01:43:22
○ 2026-04-05 07:18:26
○ 2026-07-28 11:03:58

○A185.22.109.982016-03-15 → 2017-03-19 · 4 obs

● 2016-03-15 10:32:36
● 2017-03-19 08:07:06
○ 2020-02-09 01:43:22
○ 2026-07-28 11:03:58

●A185.22.110.1862026-04-05 → 2026-07-28 · 3 obs

○ 2020-02-09 01:43:22
● 2026-04-05 07:18:26
● 2026-07-28 11:03:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
cours-electronique.com	nsa.n0c.com, nsb.n0c.com, nsc.n0c.com	3 records

✅ Authoritative Response

Server:199.188.223.2

NS records: nsa.n0c.com, nsb.n0c.com, nsc.n0c.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cours-electronique.com (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.22.110.186`
NS	3	`nsb.n0c.com, nsa.n0c.com...`
MX	1	`cours-electronique.com (pri: 0)`
TXT	1	`v=spf1 a mx ip4:185.22.110.186 ~all`
SOA	1	`nsa.n0c.com hostmaster.cours-electroniqu`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (nsa.n0c.com, nsb.n0c.com, nsc.n0c.com)

Analysis

Hierarchy

www.cours-electronique.com is delegated beneath cours-electronique.com.

Mail Server Role

cours-electronique.com serves as a mail server for cours-electronique.com.

IP Addresses

cours-electronique.com has exactly one IP address — 185.22.110.186.

tunisiacharity.org, kiteb.net, hc-dulynobleelf-eu.n0c.com plus two other host names have IP numbers in common with cours-electronique.com.

Name Servers

DNS for cours-electronique.com is handled by three authoritative name servers: nsa.n0c.com, nsb.n0c.com and nsc.n0c.com.

There is at least partial name server overlap between cours-electronique.com and other domains — anet-com.net, naturelab.it, saintdidierdelatour.fr and two more among them.

nsa.n0c.com, nsb.n0c.com and nsc.n0c.com all have one IP address each — nsa.n0c.com directs to 199.188.223.2, nsb.n0c.com directs to 85.236.159.2 and nsc.n0c.com directs to 185.22.111.2.

Mail Servers

cours-electronique.com uses exactly one mail server, which is cours-electronique.com.

cours-electronique.com has exactly one IP number: 185.22.110.186.

cours-electronique.com - robtex.com