sysda.de - dns.ninja

`sysda.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:221:3d81:21::100^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`web1.sysda.net`
A	46.4.160.21^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
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	`mail1.sysda.net` ⭐
		A	2a01:4f8:221:3d81:19::100^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail1.sysda.net`
		A	46.4.160.19^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`mail1.sysda.net`
TXT	`v=spf1 mx a a:mail1.sysda.net a:mailcow.humanfly.de -all`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-09 #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=1782613983

Same first word

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sysda.com

sysda.ch

sysda.org

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DNS History

9 records (6 active, 3 former)

●NSns1.first-ns.de2015-07-04 → 2026-06-28 · 2 obs

● 2015-07-04 23:32:38
● 2026-06-28 02:37:58

●NSrobotns2.second-ns.de2015-07-04 → 2026-06-28 · 2 obs

● 2015-07-04 23:32:38
● 2026-06-28 02:37:58

●NSrobotns3.second-ns.com2015-07-04 → 2026-06-28 · 2 obs

● 2015-07-04 23:32:38
● 2026-06-28 02:37:58

●MXmail1.sysda.net2015-11-21 → 2026-06-28 · 3 obs

○ 2015-07-04 23:32:38
● 2015-11-21 02:32:30
● 2026-06-28 02:37:58

○MXmx01.sysda.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 23:32:38
○ 2015-11-21 02:32:30
○ 2026-06-28 02:37:58

○MXmx02.sysda.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 23:32:38
○ 2015-11-21 02:32:30
○ 2026-06-28 02:37:58

○A2a01:198:200:599::22015-07-04 → 2017-01-02 · 4 obs

● 2015-07-04 23:32:38
● 2017-01-02 08:25:36
○ 2018-06-26 08:38:06
○ 2026-06-28 02:37:58

●A2a01:4f8:221:3d81:21::1002018-06-26 → 2026-06-28 · 3 obs

○ 2017-01-02 08:25:36
● 2018-06-26 08:38:06
● 2026-06-28 02:37:58

●A46.4.160.212015-07-04 → 2026-06-28 · 2 obs

● 2015-07-04 23:32:38
● 2026-06-28 02:37:58

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:213.133.100.103

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysda.de (unsigned zone)

⏱️ Timing

Total: 1359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.160.21`
AAAA	1	`2a01:4f8:221:3d81:21::100`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	1	`mail1.sysda.net (pri: 10)`
TXT	1	`v=spf1 mx a a:mail1.sysda.net a:mailcow.`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

IP Addresses

sysda.de has two IP addresses: 46.4.160.21 and 2a01:4f8:221:3d81:21::100

Additional host names — rosenkranz-werkzeuge.de, segelflugschule-wasserkuppe.de, flugzentrum-wasserkuppe.de and two others — share IP numbers with sysda.de.

Name Servers

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

There is at least partial name server overlap between sysda.de and other domains — bpe-info.de, the-c.eu, isingdorf.de and two more among them.

The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are often found in combination with these name servers.

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.

Mail Servers

sysda.de has one mail server: mail1.sysda.net.

sysda.de shares the same mail server setup as other domains, including berg-der-flieger.de, humanfly.de, sysda.net and two others.

mail1.sysda.net carries two IP numbers: 46.4.160.19 and 2a01:4f8:221:3d81:19::100.