🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`systemdeveloper.de`

DNSSEC	⚠️ Not signed
A	2a03:4000:61:b7d5::21:6860^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	188.68.47.48^{🇩🇪 netcup-AS188.68.47.0/24}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.systemdeveloper.de` ⭐
		A	188.68.47.50^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`mx2f32.netcup.net`
MX	`mx2f32.netcup.net`⁽⁵⁰⁾
		A	188.68.47.50^{🇩🇪 netcup-AS188.68.47.0/24}
			PTR	`mx2f32.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2026-08-07 #73

`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=1788345771

Subdomains

mail.systemdeveloper.de

Same first word

systemdeveloper.workers.dev

systemdeveloper.eu

systemdeveloper.net

systemdeveloper.com

systemdeveloper.nl

systemdeveloper.de

Similar names

developersystem.digital

developersystem.com

developersystem.com.mx

developersystem.com.br

Previous names

Next names

DNS History

12 records (7 active, 5 former)

○NSns1.hans.hosteurope.de2015-07-13 → 2019-03-21 · 4 obs

● 2015-07-13 21:00:54
● 2019-03-21 07:52:42
○ 2026-08-24 21:45:22
○ 2026-09-02 11:09:04

○NSns2.hans.hosteurope.de2015-07-13 → 2019-03-21 · 4 obs

● 2015-07-13 21:00:54
● 2019-03-21 07:52:42
○ 2026-08-24 21:45:22
○ 2026-09-02 11:09:04

●NSroot-dns.netcup.net2026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

●NSsecond-dns.netcup.net2026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

●NSthird-dns.netcup.net2026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

●MXmail.systemdeveloper.de2026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

○MXmx0.systemdeveloper.de2015-07-13 → 2019-03-21 · 4 obs

● 2015-07-13 21:00:54
● 2019-03-21 07:52:42
○ 2026-08-24 21:45:22
○ 2026-09-02 11:09:04

●MXmx2f32.netcup.net2026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

●A188.68.47.482026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

○A2a01:488:42:1000:50ed:851f:6e:f9742015-07-13 → 2019-03-21 · 4 obs

● 2015-07-13 21:00:54
● 2019-03-21 07:52:42
○ 2026-08-24 21:45:22
○ 2026-09-02 11:09:04

●A2a03:4000:61:b7d5::21:68602026-08-24 → 2026-09-02 · 3 obs

○ 2019-03-21 07:52:42
● 2026-08-24 21:45:22
● 2026-09-02 11:09:04

○A80.237.133.312015-07-13 → 2019-03-21 · 4 obs

● 2015-07-13 21:00:54
● 2019-03-21 07:52:42
○ 2026-08-24 21:45:22
○ 2026-09-02 11:09:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
systemdeveloper.de	root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemdeveloper.de (unsigned zone)

⏱️ Timing

Total: 1179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.68.47.48`
AAAA	1	`2a03:4000:61:b7d5::21:6860`
NS	3	`root-dns.netcup.net, second-dns.netcup.net...`
MX	2	`mail.systemdeveloper.de (pri: 10), mx2f32.netcup.net (pri: 50)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

The domain mail.systemdeveloper.de falls under the parent systemdeveloper.de.

IP Addresses

systemdeveloper.de points to the IP addresses 188.68.47.48 and 2a03:4000:61:b7d5::21:6860

img.kdkgmbh.de, christianmassinger.de, zogu-gartenbau.de plus two other host names have IP numbers in common with systemdeveloper.de.

Name Servers

Three name servers are authoritative for systemdeveloper.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

At least some of systemdeveloper.de's name servers are shared with other domains, for example fm-immobilien-nord.de, fanfarenzug-achim.de, error401.de and two more.

root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.

Mail Servers

systemdeveloper.de uses two mail servers, mail.systemdeveloper.de and mx2f32.netcup.net.

At least some of the mail servers used by systemdeveloper.de are shared with other domains: mehr-freundlichkeit.de, glaesernesrathaus.de, ctrick.de and two others among them.

mail.systemdeveloper.de and mx2f32.netcup.net share one IP address between them — 188.68.47.50.

These two host names — mail.systemdeveloper.de and mx2f32.netcup.net — each point to 188.68.47.50 IP addresses.

systemdeveloper.de - robtex.com