`kia-studium.de`

DNSSEC	⚠️ Not signed
A	141.46.8.164^{🇩🇪 DFN141.46.0.0/16 ZIT-NET}
NS	`orion.hrz.hszg.de` ⭐
		A	141.46.8.1^{🇩🇪 DFN141.46.0.0/16 ZIT-NET}
			PTR	`orion.hrz.hszg.de`
NS	`dns-1.dfn.de`
		A	2001:638:d:b101::1^{🇩🇪 DFN2001:638::/32 -V6-AGG1}
			PTR	`dns-1.dfn.de`
		A	193.174.75.50^{🇩🇪 DFN193.174.0.0/15 -AGG-1}
			PTR	`dns-1.dfn.de`
NS	`dns-3.dfn.de`
		A	2001:638:d:b103::1^{🇩🇪 DFN2001:638::/32 -V6-AGG1}
			PTR	`dns-3.dfn.de`
		A	193.174.75.58^{🇩🇪 DFN193.174.0.0/15 -AGG-1}
			PTR	`dns-3.dfn.de`
NS	`sirius.hrz.hszg.de`
		A	141.46.8.60^{🇩🇪 DFN141.46.0.0/16 ZIT-NET}
			PTR	`sirius.hrz.hszg.de`
MX	`a1101.mx.srv.dfn.de` ⭐
		A	194.95.232.45^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`a1101.mx.srv.dfn.de`
MX	`b1101.mx.srv.dfn.de` ⭐
		A	194.95.234.45^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`b1101.mx.srv.dfn.de`
MX	`c1101.mx.srv.dfn.de` ⭐
		A	194.95.238.45^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`c1101.mx.srv.dfn.de`
TXT	`HARICA-DMUIBffOCa916FpiU48`
SOA	`orion.hrz.hszg.de`hostmaster@hszg.de 2026-02-13 #1

`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=1778454584

WOT: SAFE (61/100)

Subdomains

www.kia-studium.de

Same first word

kia-studium.de

DNS History

14 records (8 active, 6 former)

○NSdeneb.dfn.de2015-06-03 → 2016-12-25 · 4 obs

● 2015-06-03 00:10:34
● 2016-12-25 08:01:22
○ 2021-11-10 06:08:26
○ 2026-05-10 23:16:14

●NSdns-1.dfn.de2021-11-10 → 2026-05-10 · 3 obs

○ 2016-12-25 08:01:22
● 2021-11-10 06:08:26
● 2026-05-10 23:16:14

●NSdns-3.dfn.de2021-11-10 → 2026-05-10 · 3 obs

○ 2016-12-25 08:01:22
● 2021-11-10 06:08:26
● 2026-05-10 23:16:14

●NSorion.hrz.hszg.de2015-06-03 → 2026-05-10 · 2 obs

● 2015-06-03 00:10:34
● 2026-05-10 23:16:14

●NSsirius.hrz.hszg.de2015-06-03 → 2026-05-10 · 2 obs

● 2015-06-03 00:10:34
● 2026-05-10 23:16:14

○NSws-kar1.win-ip.dfn.de2015-06-03 → 2016-12-25 · 4 obs

● 2015-06-03 00:10:34
● 2016-12-25 08:01:22
○ 2021-11-10 06:08:26
○ 2026-05-10 23:16:14

●MXa1101.mx.srv.dfn.de2021-11-10 → 2026-05-10 · 3 obs

○ 2016-12-25 08:01:22
● 2021-11-10 06:08:26
● 2026-05-10 23:16:14

●MXb1101.mx.srv.dfn.de2021-11-10 → 2026-05-10 · 3 obs

○ 2016-12-25 08:01:22
● 2021-11-10 06:08:26
● 2026-05-10 23:16:14

●MXc1101.mx.srv.dfn.de2021-11-10 → 2026-05-10 · 3 obs

○ 2016-12-25 08:01:22
● 2021-11-10 06:08:26
● 2026-05-10 23:16:14

○MXmfilter-110-1-1.mx.srv.dfn.de2015-06-03 → 2016-12-25 · 4 obs

● 2015-06-03 00:10:34
● 2016-12-25 08:01:22
○ 2021-11-10 06:08:26
○ 2026-05-10 23:16:14

○MXmfilter-110-1-2.mx.srv.dfn.de2015-06-03 → 2016-12-25 · 4 obs

● 2015-06-03 00:10:34
● 2016-12-25 08:01:22
○ 2021-11-10 06:08:26
○ 2026-05-10 23:16:14

○MXmfilter-110-1-3.mx.srv.dfn.de2015-06-03 → 2016-12-25 · 4 obs

● 2015-06-03 00:10:34
● 2016-12-25 08:01:22
○ 2021-11-10 06:08:26
○ 2026-05-10 23:16:14

●A141.46.8.1642026-02-23 → 2026-05-10 · 3 obs

○ 2021-11-10 06:08:26
● 2026-02-23 02:51:46
● 2026-05-10 23:16:14

○A141.46.8.1912016-12-25 → 2021-11-10 · 4 obs

● 2016-12-25 08:01:22
● 2021-11-10 06:08:26
○ 2026-02-23 02:51:46
○ 2026-05-10 23:16:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
kia-studium.de	sirius.hrz.hszg.de, orion.hrz.hszg.de, dns-1.dfn.de, dns-3.dfn.de	2 records

✅ Authoritative Response

Server:193.174.75.50

NS records: sirius.hrz.hszg.de, orion.hrz.hszg.de, dns-1.dfn.de, dns-3.dfn.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kia-studium.de (unsigned zone)

⏱️ Timing

Total: 2330ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`141.46.8.164`
NS	4	`sirius.hrz.HSZG.DE, dns-3.dfn.de...`
MX	3	`c1101.mx.srv.dfn.de (pri: 10), b1101.mx.srv.dfn.de (pri: 10)...`
TXT	1	`HARICA-DMUIBffOCa916FpiU48`
SOA	1	`orion.hrz.hszg.de hostmaster.hszg.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (sirius.hrz.hszg.de, orion.hrz.hszg.de)

Analysis

Hierarchy

The parent of www.kia-studium.de is kia-studium.de.

IP Addresses

kia-studium.de points to a single IP: 141.46.8.164.

Other host names, for example www.kia-studium.de, www.hszg.de, hrz.hszg.de and hszg.de share IP numbers with kia-studium.de.

Name Servers

kia-studium.de's delegation is handled by four name servers: dns-1.dfn.de, dns-3.dfn.de, orion.hrz.hszg.de and sirius.hrz.hszg.de.

kia-studium.de partially shares name servers with other domains; examples include th-aachen.biz, 124.174.193.in-addr.arpa, mcc.rwth-aachen.de, faho.rwth-aachen.de and cdhy-initiative.org.

These name servers are commonly used alongside dns-2.dfn.de, zs1.rz.rwth-aachen.de, zs2.rz.rwth-aachen.de, deneb.dfn.de, adns1.zih.tu-dresden.de, adns2.zih.tu-dresden.de, dnsx1.helmholtz-muenchen.de, dnsx2.helmholtz-muenchen.de, petz.hrz.uni-siegen.de and si-nic.hrz.uni-siegen.de.

Host names with two IP numbers:

dns-1.dfn.de points to: 2001:638:d:b101::1 and 193.174.75.50.

dns-3.dfn.de points to: 2001:638:d:b103::1 and 193.174.75.58.

Host names with one IP number:

orion.hrz.hszg.de points to: 141.46.8.1.

sirius.hrz.hszg.de points to: 141.46.8.60.

Mail Servers

kia-studium.de is handled by three mail servers: a1101.mx.srv.dfn.de, b1101.mx.srv.dfn.de and c1101.mx.srv.dfn.de.

kia-studium.de shares some mail servers with other domains, at least partially, such as hszg.eu, hs-zigr.de, stud.hs-zigr.de, stud.hszg.de and hszg.de.

Host names with one IP number:

Host a1101.mx.srv.dfn.de points to 194.95.232.45.

Host b1101.mx.srv.dfn.de points to 194.95.234.45.

Host c1101.mx.srv.dfn.de points to 194.95.238.45.

kia-studium.de - robtex.com

kia-studium.de

de

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kia-studium.de`

`de`