`viablesystems.de`

DNSSEC	⚠️ Not signed
A	157.90.232.153^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}
		PTR	`cs498.fc-server.net`
NS	`ns1.axcoredns.com` ⭐
		A	2a09:71c0::101:0:12^{🇩🇪 SYNLINQ2a09:71c0::/29}
		A	45.67.68.12^{🇩🇪 SYNLINQ45.67.68.0/24}
			PTR	`ns1-tec.de`
NS	`ns2.axcoredns.org`
		A	2a01:4f8:c014:d47::12^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	46.224.169.132^{🇮🇷 Hetzner46.224.0.0/15 HETZNER-DC}
			PTR	`ns2-tec.de`
SOA	`ns1.axcoredns.com`webmaster@viablesystems.de 2026-02-18 #2

`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=1776390639

Same first word

viablesystems.com

viablesystems.de

DNS History

9 records (3 active, 6 former)

○NSns1-tec.de2015-08-20 → 2026-03-17 · 4 obs

● 2015-08-20 15:45:42
● 2026-03-17 00:38:54
○ 2026-04-15 23:05:04
○ 2026-04-17 01:51:56

●NSns1.axcoredns.com2026-04-15 → 2026-04-17 · 3 obs

○ 2026-03-17 00:38:54
● 2026-04-15 23:05:04
● 2026-04-17 01:51:56

○NSns2-tec.de2015-08-20 → 2026-03-17 · 4 obs

● 2015-08-20 15:45:42
● 2026-03-17 00:38:54
○ 2026-04-15 23:05:04
○ 2026-04-17 01:51:56

●NSns2.axcoredns.org2026-04-15 → 2026-04-17 · 3 obs

○ 2026-03-17 00:38:54
● 2026-04-15 23:05:04
● 2026-04-17 01:51:56

○MXmail.fc-host11.de2015-08-20 → 2016-03-16 · 4 obs

● 2015-08-20 15:45:42
● 2016-03-16 15:57:38
○ 2016-07-23 22:43:12
○ 2026-04-17 01:51:56

○MXmail.viablesystems.de2016-07-23 → 2020-02-27 · 5 obs

○ 2016-03-16 15:57:38
● 2016-07-23 22:43:12
● 2020-02-27 20:17:36
○ 2026-03-17 00:38:54
○ 2026-04-17 01:51:56

●A157.90.232.1532026-03-17 → 2026-04-17 · 3 obs

○ 2020-02-27 20:17:36
● 2026-03-17 00:38:54
● 2026-04-17 01:51:56

○A80.77.31.2322016-07-23 → 2020-02-27 · 5 obs

○ 2016-03-16 15:57:38
● 2016-07-23 22:43:12
● 2020-02-27 20:17:36
○ 2026-03-17 00:38:54
○ 2026-04-17 01:51:56

○A83.243.43.1502015-08-20 → 2016-03-16 · 4 obs

● 2015-08-20 15:45:42
● 2016-03-16 15:57:38
○ 2016-07-23 22:43:12
○ 2026-04-17 01:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
viablesystems.de	ns2.axcoredns.org, ns1.axcoredns.com	-

✅ Authoritative Response

Server:46.224.169.132

NS records: ns2.axcoredns.org, ns1.axcoredns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for viablesystems.de (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.90.232.153`
NS	2	`ns2.axcoredns.org, ns1.axcoredns.com`
SOA	1	`ns1.axcoredns.com webmaster.viablesystem`

Analysis

IP Addresses

viablesystems.de points to a single IP: 157.90.232.153.

Other host names, for instance viable-systems.de, mail.viable-solutions.de, info.ct-klein.de, mail.fahrradladen-saarbruecken.de and ct-klein.de share IP numbers with viablesystems.de.

Name Servers

viablesystems.de's delegation is to two name servers ns1.axcoredns.com and ns2.axcoredns.org.

viablesystems.de shares the same name server configuration as other domains, such as mind-check.de, 1-nic.net, 1alager.com, altklausurendb.de and myhm.de.

viablesystems.de at least partially shares its name servers with other domains, for instance mulebyte.info, kasi.it, pc-techniker.net, birkenbihl.de and infoarena.de.

These name servers are commonly used alongside ns1-tec.de and ns2-tec.de.

Host names with two IP numbers: ns1.axcoredns.com points to 2a09:71c0::101:0:12 and 45.67.68.12; ns2.axcoredns.org points to 2a01:4f8:c014:d47::12 and 46.224.169.132

viablesystems.de - robtex.com