`rohrstar-system.de`

DNSSEC	⚠️ Not signed
A	213.133.104.4^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
		PTR	`www4.your-server.de`
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`mail.rohrstar-system.de` ⭐
		A	213.133.104.4^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`www4.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-01-16 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1777115165

Subdomains

mail.rohrstar-system.de

Same first word

rohrstar-system.de

DNS History

6 records (5 active, 1 former)

●NSns.second-ns.com2015-06-18 → 2026-04-25 · 2 obs

● 2015-06-18 04:02:40
● 2026-04-25 11:11:28

●NSns1.your-server.de2015-06-18 → 2026-04-25 · 2 obs

● 2015-06-18 04:02:40
● 2026-04-25 11:11:28

●NSns3.second-ns.de2015-06-18 → 2026-04-25 · 2 obs

● 2015-06-18 04:02:40
● 2026-04-25 11:11:28

●MXmail.rohrstar-system.de2015-06-18 → 2026-04-25 · 2 obs

● 2015-06-18 04:02:40
● 2026-04-25 11:11:28

○A144.76.117.492015-06-18 → 2016-04-23 · 4 obs

● 2015-06-18 04:02:40
● 2016-04-23 03:05:48
○ 2016-12-30 04:31:38
○ 2026-04-25 11:11:28

●A213.133.104.42016-12-30 → 2026-04-25 · 3 obs

○ 2016-04-23 03:05:48
● 2016-12-30 04:31:38
● 2026-04-25 11:11:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
rohrstar-system.de	ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de	4 records

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rohrstar-system.de (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.133.104.4`
NS	3	`ns1.your-server.de, ns3.second-ns.de...`
MX	1	`mail.rohrstar-system.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

Hierarchy

rohrstar-system.de is the parent of mail.rohrstar-system.de.

IP Addresses

rohrstar-system.de points to a single IP number: 213.133.104.4.

other host names for instance z34.de, mail.4-my-balance.de, mail.iunocon.ch, mail.ashtangakoeln.eu and disallow.me share IP numbers with rohrstar-system.de.

Name Servers

rohrstar-system.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

rohrstar-system.de at least partially shares name servers with other domains, for instance feher.de, tabakweber.de, ergofobi.net, steuerzahlerservice.de and westfalia-trailer.at.

Host names with two IP numbers:

Host ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

Host ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

Host ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

rohrstar-system.de is handled by a single mail server, mail.rohrstar-system.de.

Host name mail.rohrstar-system.de points to IP address 213.133.104.4.

rohrstar-system.de - robtex.com