`rgs-diffusion.com`

DNSSEC	⚠️ Not signed
A	91.134.125.241^{🇫🇷 OVH91.134.0.0/16}
		PTR	`ip241.ip-91-134-125.eu`
NS	`ns1.brandshelter.com` ⭐
		A	2a04:2b00:14cc::9^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
		A	193.227.117.9^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns1.brandshelter.com`
NS	`ns2.brandshelter.de`
		A	2a04:2b00:14dd::11^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns11.j.centralnic-dns.com`
		A	194.50.187.11^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns2.brandshelter.de`
NS	`ns3.brandshelter.info`
		A	2a04:2b00:14ee::12^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48}
			PTR	`ns12.k.centralnic-dns.com`
		A	194.0.182.12^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24}
			PTR	`ns3.brandshelter.info`
NS	`ns4.brandshelter.net`
		A	2a04:2b00:14cc::10^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns10.i.centralnic-dns.com`
		A	193.227.117.10^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns4.brandshelter.net`
NS	`ns5.brandshelter.us`
		A	2a04:2b00:14dd::14^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns14.j.centralnic-dns.com`
		A	194.50.187.14^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns5.brandshelter.us`
MX	`rgsdiffusion-com0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
MX	`mx1.rgs-diffusion.com`⁽¹⁰⁾
		A	31.172.236.140^{🇫🇷 JAGUAR-AS31.172.232.0/21 FR.JAGUAR LIR Range}
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms11029243`
SOA	`ns1.brandshelter.com`tech@brandshelter.com 2026-02-23 #0

`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=1778601516

Subdomains

mx1.rgs-diffusion.com

Same first word

rgs-diffusion.com

DNS History

17 records (8 active, 9 former)

○NSns1.amenworld.com2015-07-09 → 2016-12-31 · 4 obs

● 2015-07-09 02:25:50
● 2016-12-31 07:52:44
○ 2018-06-28 13:18:20
○ 2026-05-12 16:07:40

●NSns1.brandshelter.com2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

○NSns2.amenworld.com2015-07-09 → 2016-12-31 · 4 obs

● 2015-07-09 02:25:50
● 2016-12-31 07:52:44
○ 2018-06-28 13:18:20
○ 2026-05-12 16:07:40

●NSns2.brandshelter.de2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

○NSns2.observatoiredesmarques.fr2018-06-28 → 2018-06-28 · 4 obs

○ 2016-12-31 07:52:44
● 2018-06-28 13:18:20
○ 2026-04-23 14:12:38
○ 2026-05-12 16:07:40

●NSns3.brandshelter.info2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

○NSns3.nameshield.net2018-06-28 → 2018-06-28 · 4 obs

○ 2016-12-31 07:52:44
● 2018-06-28 13:18:20
○ 2026-04-23 14:12:38
○ 2026-05-12 16:07:40

●NSns4.brandshelter.net2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

●NSns5.brandshelter.us2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

○NSobs.ns1.fr2018-06-28 → 2018-06-28 · 4 obs

○ 2016-12-31 07:52:44
● 2018-06-28 13:18:20
○ 2026-04-23 14:12:38
○ 2026-05-12 16:07:40

○MXmail-fr.securemail.pro2016-04-20 → 2018-06-28 · 5 obs

○ 2016-02-01 09:49:58
● 2016-04-20 12:08:54
● 2018-06-28 13:18:20
○ 2026-04-23 14:12:38
○ 2026-05-12 16:07:40

○MXmx.rgs-diffusion.com2015-07-09 → 2016-02-01 · 4 obs

● 2015-07-09 02:25:50
● 2016-02-01 09:49:58
○ 2016-04-20 12:08:54
○ 2026-05-12 16:07:40

●MXmx1.rgs-diffusion.com2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

●MXrgsdiffusion-com0i.mail.protection.outlook.com2026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

○A46.17.65.1392015-11-11 → 2018-06-28 · 5 obs

○ 2015-07-09 02:25:50
● 2015-11-11 21:26:34
● 2018-06-28 13:18:20
○ 2026-04-23 14:12:38
○ 2026-05-12 16:07:40

○A85.31.216.1322015-07-09 → 2015-07-09 · 3 obs

● 2015-07-09 02:25:50
○ 2015-11-11 21:26:34
○ 2026-05-12 16:07:40

●A91.134.125.2412026-04-23 → 2026-05-12 · 3 obs

○ 2018-06-28 13:18:20
● 2026-04-23 14:12:38
● 2026-05-12 16:07:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
rgs-diffusion.com	ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info, ns4.brandshelter.net...	2 records

✅ Authoritative Response

Server:194.0.182.12

NS records: ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info, ns4.brandshelter.net, ns5.brandshelter.us

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rgs-diffusion.com (unsigned zone)

⏱️ Timing

Total: 843ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.134.125.241`
NS	5	`ns1.brandshelter.com, ns2.brandshelter.de...`
MX	2	`mx1.rgs-diffusion.com (pri: 10), rgsdiffusion-com0i.mail.protection.outlo`
TXT	2	`MS=ms11029243, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.brandshelter.com tech.brandshelter.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.brandshelter.com, ns1.brandshelter.com)

Analysis

Hierarchy

The parent of mx1.rgs-diffusion.com is rgs-diffusion.com.

IP Addresses

rgs-diffusion.com points to a single IP number: 91.134.125.241.

Other host names, for instance diff.fr and ip241.ip-91-134-125.eu, share IP numbers with rgs-diffusion.com.

Name Servers

rgs-diffusion.com is delegated to five name servers: ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info, ns4.brandshelter.net and ns5.brandshelter.us.

rgs-diffusion.com shares name servers with other domains at least partially, for instance warmup.ee, alpinvest.us, maviala.de, faber-castell.me and kronenbourg1664.co.uk.