`aqua-computer-systeme.de`

DNSSEC	⚠️ Not signed
A	46.4.72.36^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
		PTR	`backend2.aquacomputer.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.aqua-computer-systeme.de` ⭐
		A	46.4.72.36^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`backend2.aquacomputer.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-01-27 #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=1774758407

WOT: UNKNOWN (61/100)

Subdomains

mail.aqua-computer-systeme.de

Same first word

aqua-computer-systeme.de

DNS History

6 records (5 active, 1 former)

●NSns1.first-ns.de2015-06-22 → 2026-03-29 · 2 obs

● 2015-06-22 09:58:20
● 2026-03-29 04:44:50

●NSrobotns2.second-ns.de2015-06-22 → 2026-03-29 · 2 obs

● 2015-06-22 09:58:20
● 2026-03-29 04:44:50

●NSrobotns3.second-ns.com2015-06-22 → 2026-03-29 · 2 obs

● 2015-06-22 09:58:20
● 2026-03-29 04:44:50

●MXmail.aqua-computer-systeme.de2015-06-22 → 2026-03-29 · 2 obs

● 2015-06-22 09:58:20
● 2026-03-29 04:44:50

○A144.76.119.982015-06-22 → 2018-09-15 · 4 obs

● 2015-06-22 09:58:20
● 2018-09-15 08:54:04
○ 2026-02-16 10:54:28
○ 2026-03-29 04:44:50

●A46.4.72.362026-02-16 → 2026-03-29 · 3 obs

○ 2018-09-15 08:54:04
● 2026-02-16 10:54:28
● 2026-03-29 04:44:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
aqua-computer-systeme.de	ns1.first-ns.de, robotns3.second-ns.com, robotns2.second-ns.de	-

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aqua-computer-systeme.de (unsigned zone)

⏱️ Timing

Total: 714ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.72.36`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`mail.aqua-computer-systeme.de (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

aqua-computer-systeme.de is the parent of mail.aqua-computer-systeme.de.

IP Addresses

aqua-computer-systeme.de resolves to one IP number: 46.4.72.36.

other host names including mail.cuplex.de, airplex.de, mail.silent-store.de, aquacomputer.com and cuplex.de share IP numbers with aqua-computer-systeme.de.

Name Servers

aqua-computer-systeme.de is delegated to three name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

aqua-computer-systeme.de at least partially shares name servers with other domains, for instance tsg-ljg-unterschwarzach.de, schimpfanse.de, kaisaros.com, egatetest.net and wendt-consult.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

aqua-computer-systeme.de is handled by a single mail server, mail.aqua-computer-systeme.de.

mail.aqua-computer-systeme.de resolves to IP 46.4.72.36.

aqua-computer-systeme.de - robtex.com