system-dev.de - dns.ninja

`system-dev.de`

DNSSEC	⚠️ Not signed
A	37.120.169.218^{🇩🇪 netcup-AS37.120.168.0/22}
		PTR	`mail.web-playground.com`
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	`mxf932.netcup.net` ⭐
		A	2a03:4000:5:18ca:88fc:4bff:fec3:c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`mxf932.netcup.net`
		A	46.38.249.50^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
			PTR	`mxf932.netcup.net`
MX	`mail.system-dev.de`⁽¹⁰⁾
		A	46.38.249.50^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
			PTR	`mxf932.netcup.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2019-03-12 #20

`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=1783826490

Subdomains

mail.system-dev.de

Same first word

system-dev.online

system-dev.de

system-dev.jp

Similar names

edv-system.at

edv-system.de

dv-systeme.de

system-edv.com

dev-system.com

system-edv.de

DNS History

7 records (6 active, 1 former)

●NSroot-dns.netcup.net2015-07-25 → 2026-07-12 · 2 obs

● 2015-07-25 21:12:00
● 2026-07-12 03:43:42

●NSsecond-dns.netcup.net2015-07-25 → 2026-07-12 · 2 obs

● 2015-07-25 21:12:00
● 2026-07-12 03:43:42

●NSthird-dns.netcup.net2015-07-25 → 2026-07-12 · 2 obs

● 2015-07-25 21:12:00
● 2026-07-12 03:43:42

●MXmail.system-dev.de2015-07-25 → 2026-07-12 · 2 obs

● 2015-07-25 21:12:00
● 2026-07-12 03:43:42

●MXmxf932.netcup.net2015-11-25 → 2026-07-12 · 3 obs

○ 2015-07-25 21:12:00
● 2015-11-25 15:07:50
● 2026-07-12 03:43:42

●A37.120.169.2182015-11-25 → 2026-07-12 · 3 obs

○ 2015-07-25 21:12:00
● 2015-11-25 15:07:50
● 2026-07-12 03:43:42

○A46.38.230.112015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 21:12:00
○ 2015-11-25 15:07:50
○ 2026-07-12 03:43:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:37.221.199.199

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system-dev.de (unsigned zone)

⏱️ Timing

Total: 1374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.120.169.218`
NS	3	`root-dns.netcup.net, second-dns.netcup.net...`
MX	2	`mail.system-dev.de (pri: 10), mxf932.netcup.net (pri: 5)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

system-dev.de is the parent zone for mail.system-dev.de.

IP Addresses

system-dev.de resolves to just one IP address, 37.120.169.218.

web-playground.com, stats.web-playground.com and mail.web-playground.com are examples of other host names that share IP numbers with system-dev.de.

Name Servers

system-dev.de is served by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

system-dev.de partially shares its NS delegation with several other domains, including xn--grninger-o4a.de, mixpost.de, joycee.de and two others.

The hostnames root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each direct to two IP addresses — root-dns.netcup.net to 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net to 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

system-dev.de is served by two mail servers, mail.system-dev.de and mxf932.netcup.net.

There is at least a partial MX overlap between system-dev.de and other domains, including bockaufdesign.de, exemco.de, dryv.fr and two others.

These mail servers tend to appear in combination with mail servers mail.bockaufdesign.de, mail.exemco.de, mail.dryv.fr and 4 others.

Host names that have two IP addresses:

The A records for mxf932.netcup.net return 46.38.249.50 and 2a03:4000:5:18ca:88fc:4bff:fec3:c7c7.

Host names that point to one IP address:

mail.system-dev.de resolves to the IP address 46.38.249.50.

mxf932.netcup.net and mail.system-dev.de each have 46.38.249.50 IP addresses.