`professional-suite.com`

DNSSEC	⚠️ Not signed
A	176.9.149.140^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
		PTR	`static.140.149.9.176.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.professional-suite.com` ⭐
		A	176.9.149.140^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
			PTR	`static.140.149.9.176.clients.your-server.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #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=1777014606

Subdomains

mail.professional-suite.com

Same first word

professional-suite.com

DNS History

6 records (5 active, 1 former)

●NSns1.first-ns.de2016-12-14 → 2026-04-24 · 2 obs

● 2016-12-14 16:56:54
● 2026-04-24 07:12:20

●NSrobotns2.second-ns.de2016-12-14 → 2026-04-24 · 2 obs

● 2016-12-14 16:56:54
● 2026-04-24 07:12:20

●NSrobotns3.second-ns.com2016-12-14 → 2026-04-24 · 2 obs

● 2016-12-14 16:56:54
● 2026-04-24 07:12:20

●MXmail.professional-suite.com2016-12-14 → 2026-04-24 · 2 obs

● 2016-12-14 16:56:54
● 2026-04-24 07:12:20

●A176.9.149.1402026-04-24 → 2026-04-24 · 2 obs

○ 2017-07-04 09:49:08
● 2026-04-24 07:12:20

○A46.4.100.1782016-12-14 → 2017-07-04 · 3 obs

● 2016-12-14 16:56:54
● 2017-07-04 09:49:08
○ 2026-04-24 07:12:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
professional-suite.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professional-suite.com (unsigned zone)

⏱️ Timing

Total: 716ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.9.149.140`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	1	`mail.professional-suite.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

professional-suite.com is parent of mail.professional-suite.com.

IP Addresses

professional-suite.com points to a single IP: 176.9.149.140.

Other host names, for instance mail.twoffein.de, mail.borderlineforum.de, hp-training.de, mail.professional-suite.com and borderlineforum.de share IP numbers with professional-suite.com.

Name Servers

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

professional-suite.com at least partially shares its name servers with other domains, for instance busigence.de, ruhlgroup.com, commit-consulting.de, codest.de and voemedia-server.de.

These name servers are commonly used with hydrogen.ns.hetzner.com, ns.second-ns.com and ns3.second-ns.de.

Host names with two IP numbers:

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

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

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

Mail Servers

professional-suite.com is served by a single mail server, mail.professional-suite.com.

mail.professional-suite.com points to IP number 176.9.149.140.

professional-suite.com - robtex.com