`smart-decision.de`

DNSSEC	⚠️ Not signed
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`
TXT	`v=spf1 mx -all`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #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=1784465465

Same first word

smart-decision.net

smart-decision.ru

smart-decision.io

smart-decision.co.uk

smart-decision.com

smart-decision.org

smart-decision.eu

smart-decision.de

DNS History

5 records (3 active, 2 former)

●NSns1.first-ns.de2015-08-06 → 2026-07-19 · 2 obs

● 2015-08-06 05:58:02
● 2026-07-19 12:52:52

●NSrobotns2.second-ns.de2015-08-06 → 2026-07-19 · 2 obs

● 2015-08-06 05:58:02
● 2026-07-19 12:52:52

●NSrobotns3.second-ns.com2015-08-06 → 2026-07-19 · 2 obs

● 2015-08-06 05:58:02
● 2026-07-19 12:52:52

○MXmail.smart-decision.de2015-08-06 → 2017-02-18 · 3 obs

● 2015-08-06 05:58:02
● 2017-02-18 21:28:06
○ 2026-07-19 12:52:52

○A178.63.67.852015-08-06 → 2017-02-18 · 3 obs

● 2015-08-06 05:58:02
● 2017-02-18 21:28:06
○ 2026-07-19 12:52:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
smart-decision.de	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ 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 smart-decision.de (unsigned zone)

⏱️ Timing

Total: 1962ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Name Servers

The authoritative name servers for smart-decision.de are robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — three in total.

smart-decision.de has at least partial name server overlap with other domains, such as projectj.de, uam-digital.com, marin-schuetz.de and two others.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de all resolve to exactly two IP numbers apiece: robotns3.second-ns.com → 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de → 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de → 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

smart-decision.de - robtex.com