`impro-commercial.com`

DNSSEC	⚠️ Not signed
A	176.9.53.41^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
		PTR	`static.41.53.9.176.clients.your-server.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.impro-commercial.com` ⭐
		A	176.9.53.41^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
			PTR	`static.41.53.9.176.clients.your-server.de`
SOA	`ns1.first-ns.de`dns@hetzner.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=1778371487

Previously MX for

impro-commercial.com

Subdomains

mail.impro-commercial.com

Same first word

impro-commercial.com

DNS History

10 records (5 active, 5 former)

○NSns.stratoserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 13:38:54
○ 2017-11-25 13:48:58
○ 2026-05-10 00:26:42

●NSns1.first-ns.de2026-05-09 → 2026-05-10 · 3 obs

○ 2017-11-25 13:48:58
● 2026-05-09 17:29:30
● 2026-05-10 00:26:42

○NSns2.stratoserver.net2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 13:38:54
○ 2017-11-25 13:48:58
○ 2026-05-10 00:26:42

○NSns3.stratoserver.net2017-11-25 → 2017-11-25 · 4 obs

○ 2016-12-18 13:38:54
● 2017-11-25 13:48:58
○ 2026-05-09 17:29:30
○ 2026-05-10 00:26:42

○NSns4.stratoserver.net2017-11-25 → 2017-11-25 · 4 obs

○ 2016-12-18 13:38:54
● 2017-11-25 13:48:58
○ 2026-05-09 17:29:30
○ 2026-05-10 00:26:42

●NSrobotns2.second-ns.de2026-05-09 → 2026-05-10 · 3 obs

○ 2017-11-25 13:48:58
● 2026-05-09 17:29:30
● 2026-05-10 00:26:42

●NSrobotns3.second-ns.com2026-05-09 → 2026-05-10 · 3 obs

○ 2017-11-25 13:48:58
● 2026-05-09 17:29:30
● 2026-05-10 00:26:42

○MXimpro-commercial.com2016-12-18 → 2017-11-25 · 4 obs

● 2016-12-18 13:38:54
● 2017-11-25 13:48:58
○ 2026-05-09 17:29:30
○ 2026-05-10 00:26:42

●MXmail.impro-commercial.com2026-05-09 → 2026-05-10 · 3 obs

○ 2017-11-25 13:48:58
● 2026-05-09 17:29:30
● 2026-05-10 00:26:42

●A176.9.53.412016-12-18 → 2026-05-10 · 2 obs

● 2016-12-18 13:38:54
● 2026-05-10 00:26:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...	-
impro-commercial.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for impro-commercial.com (unsigned zone)

⏱️ Timing

Total: 801ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.9.53.41`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`mail.impro-commercial.com (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

Hierarchy

mail.impro-commercial.com is a child of impro-commercial.com.

IP Addresses

impro-commercial.com resolves to one IP number: 176.9.53.41.

Other host names, for instance mail.impro-commercial.com, im-pro.eu and static.41.53.9.176.clients.your-server.de share IP numbers with impro-commercial.com.

Name Servers

impro-commercial.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

impro-commercial.com at least partially shares name servers with other domains, including pelitcraft.fi, elternzeit.com, sport-runner-berlin.de, lennartbuhl.de and tuxnik.de.

these name servers are commonly used alongside the name servers dns.cytracon1.info, dns.cytracon2.info, dns.cytracon3.info, hydrogen.ns.hetzner.com and plesk.rz19.de.

Host names with two IP numbers:

robotns3.second-ns.com: 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de: 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Mail Servers

A single mail server handles impro-commercial.com, mail.impro-commercial.com.

Host name mail.impro-commercial.com resolves to a single IP: 176.9.53.41.

impro-commercial.com - robtex.com