`grosbusch.lu`

DNSSEC	⚠️ Not signed
A	51.158.109.254^{🇫🇷 AS1287651.158.0.0/15 SCALEWAY Paris, France}
		PTR	`254-109-158-51.instances.scw.cloud`
NS	`ns1.eurodns.com` ⭐
		A	2610:1c8:b002::107^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
		A	199.167.66.107^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
NS	`ns2.eurodns.com`
		A	2610:1c8:b001::107^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
		A	104.37.178.107^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
NS	`ns3.eurodns.com`
		A	2610:1c8:b002::108^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
		A	199.167.66.108^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
NS	`ns4.eurodns.com`
		A	2610:1c8:b001::108^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
		A	104.37.178.108^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
MX	`grosbusch-lu.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.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:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
TXT	`cm._domainkey.grosbusch.lu.`
TXT	`MS=FF41CB9671661D0758B001835153B2D3225569A6`
TXT	`v=spf1 ip4:78.141.180.125 ip4:78.141.180.126 ip4:195.46.255.228 ip4:195.46.25...`
SOA	`ns1.eurodns.com`hostmaster@eurodns.com 2025-10-14 #0

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-04-12 00:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1775944872

Subdomains

exchange.grosbusch.lu

webmail.grosbusch.lu

Same first word

grosbusch.lu

grosbusch.de

Similar names

grossbuch.ru

grossbuch.com

grossbuch.de

grossbuch.net

DNS History

11 records (6 active, 5 former)

●NSns1.eurodns.com2019-04-30 → 2026-04-11 · 3 obs

○ 2016-12-12 17:46:54
● 2019-04-30 13:45:14
● 2026-04-11 22:40:10

○NSns1.grosbusch.lu2015-06-04 → 2016-12-12 · 4 obs

● 2015-06-04 14:10:28
● 2016-12-12 17:46:54
○ 2019-04-30 13:45:14
○ 2026-04-11 22:40:10

●NSns2.eurodns.com2019-04-30 → 2026-04-11 · 3 obs

○ 2016-12-12 17:46:54
● 2019-04-30 13:45:14
● 2026-04-11 22:40:10

○NSns2.grosbusch.lu2015-06-04 → 2016-12-12 · 4 obs

● 2015-06-04 14:10:28
● 2016-12-12 17:46:54
○ 2019-04-30 13:45:14
○ 2026-04-11 22:40:10

●NSns3.eurodns.com2019-04-30 → 2026-04-11 · 3 obs

○ 2016-12-12 17:46:54
● 2019-04-30 13:45:14
● 2026-04-11 22:40:10

●NSns4.eurodns.com2019-04-30 → 2026-04-11 · 3 obs

○ 2016-12-12 17:46:54
● 2019-04-30 13:45:14
● 2026-04-11 22:40:10

●MXgrosbusch-lu.mail.eo.outlook.com2026-02-15 → 2026-04-11 · 3 obs

○ 2019-04-30 13:45:14
● 2026-02-15 19:39:06
● 2026-04-11 22:40:10

○MXmx6.cbc.lu2015-06-04 → 2019-04-30 · 4 obs

● 2015-06-04 14:10:28
● 2019-04-30 13:45:14
○ 2026-02-15 19:39:06
○ 2026-04-11 22:40:10

○A172.104.248.1772019-04-30 → 2019-04-30 · 4 obs

○ 2016-12-12 17:46:54
● 2019-04-30 13:45:14
○ 2026-02-15 19:39:06
○ 2026-04-11 22:40:10

○A193.104.37.1962015-06-04 → 2016-12-12 · 4 obs

● 2015-06-04 14:10:28
● 2016-12-12 17:46:54
○ 2019-04-30 13:45:14
○ 2026-04-11 22:40:10

●A51.158.109.2542026-02-15 → 2026-04-11 · 3 obs

○ 2019-04-30 13:45:14
● 2026-02-15 19:39:06
● 2026-04-11 22:40:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	j.dns.lu, g.dns.lu, p.dns.lu, ns1.dns.lu...	12 records
grosbusch.lu	ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com	-

✅ Authoritative Response

Server:199.167.66.108

NS records: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grosbusch.lu (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.158.109.254`
NS	4	`ns1.eurodns.com, ns2.eurodns.com...`
MX	1	`grosbusch-lu.mail.eo.outlook.com (pri: 0`
TXT	3	`cm._domainkey.grosbusch.lu., MS=FF41CB9671661D0758B001835153B2D322556...`
SOA	1	`ns1.eurodns.com hostmaster.eurodns.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns1.dns.lu, p.dns.lu, k.dns.lu...)

Analysis

Hierarchy

grosbusch.lu is a parent of exchange.grosbusch.lu and webmail.grosbusch.lu.

IP Addresses

grosbusch.lu points to a single IP address: 51.158.109.254.

Other host names such as www.acccontern.lu, acccontern.lu, fruit-at-office.com, sabcolux.lu and cosep.be share IP numbers with grosbusch.lu.

Name Servers

grosbusch.lu is delegated to four name servers: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com.

At least part of the name servers for grosbusch.lu are shared with other domains, for instance talanxre.eu, laola.my, netbetscasino.ch, playod.com and clone.be.

Host names with two IP numbers:

ns1.eurodns.com points to: 2610:1c8:b002::107 and 199.167.66.107

ns2.eurodns.com points to: 2610:1c8:b001::107 and 104.37.178.107

ns3.eurodns.com points to: 2610:1c8:b002::108 and 199.167.66.108

ns4.eurodns.com points to: 2610:1c8:b001::108 and 104.37.178.108

Mail Servers

The mail server for grosbusch.lu is grosbusch-lu.mail.eo.outlook.com.

grosbusch-lu.mail.eo.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::7, 52.101.68.32, 52.101.68.36, 52.101.73.1 and 52.101.73.12.

grosbusch.lu - robtex.com

grosbusch.lu

lu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`grosbusch.lu`

`lu`