`staging-system.net`

DNSSEC	⚠️ Not signed
A	136.243.167.71^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
		PTR	`dedi5134.your-server.de`
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	`mail.staging-system.net` ⭐
		A	136.243.167.71^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`dedi5134.your-server.de`
TXT	`brevo-code:ddc5907835c1f69061d82a891675c6d0`
TXT	`MS=C0739DCB0027D7EA4FF0BEDDFA3C9A6A16BB6E1D`
TXT	`v=spf1 include:_spf.mailersend.net a mx ip4:78.47.8.180 ip4:116.202.77.60 ~all`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-19 #3

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774649667

Subdomains

mail.staging-system.net

Same first word

staging-system.de

staging-system.net

DNS History

6 records (5 active, 1 former)

●NSns1.first-ns.de2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 14:06:20
● 2026-03-27 22:29:06

●NSrobotns2.second-ns.de2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 14:06:20
● 2026-03-27 22:29:06

●NSrobotns3.second-ns.com2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 14:06:20
● 2026-03-27 22:29:06

●MXmail.staging-system.net2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 14:06:20
● 2026-03-27 22:29:06

●A136.243.167.712026-03-27 → 2026-03-27 · 2 obs

○ 2018-12-22 10:39:16
● 2026-03-27 22:29:06

○A78.47.8.1802017-01-04 → 2018-12-22 · 3 obs

● 2017-01-04 14:06:20
● 2018-12-22 10:39:16
○ 2026-03-27 22:29:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
staging-system.net	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 staging-system.net (unsigned zone)

⏱️ Timing

Total: 600ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.167.71`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	1	`mail.staging-system.net (pri: 10)`
TXT	3	`brevo-code:ddc5907835c1f69061d82a891675c, MS=C0739DCB0027D7EA4FF0BEDDFA3C9A6A16BB6...`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

mail.staging-system.net is a child of staging-system.net.

IP Addresses

staging-system.net resolves to one IP number: 136.243.167.71.

Other host names, for instance exammi.com, exammi.at, mail.exammi.de, dedi5134.your-server.de and mail.exammi.at share IP numbers with staging-system.net.

Name Servers

staging-system.net is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

staging-system.net at least partially shares name servers with other domains, including dacmail.de, fivecast.de, jodb.de, esda.com and sksg.de.

These name servers are commonly used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

robotns3.second-ns.com: 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de: 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Mail Servers

A single mail server handles staging-system.net, mail.staging-system.net.

Host name mail.staging-system.net resolves to a single IP: 136.243.167.71.

staging-system.net - robtex.com