`studwerk-kl.com`

DNSSEC	⚠️ Not signed
NS	`ns1.rptu.de` ⭐
		A	2a03:63c0::53:1001^{🇩🇪 UNIKL2a03:63c0::/32 -V6-1}
			PTR	`ns1.rptu.de`
		A	131.246.9.117^{🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN}
			PTR	`ns1.rptu.de`
NS	`ns2.rptu.de`
		A	2a03:63c0::53:1002^{🇩🇪 UNIKL2a03:63c0::/32 -V6-1}
			PTR	`ns2.rptu.de`
		A	131.246.1.117^{🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN}
			PTR	`ns2.rptu.de`
MX	`mailgate2.uni-kl.de` ⭐
		A	2001:638:208:120::209^{🇩🇪 DFN2001:638::/32 -V6-AGG1}
			PTR	`mailgate2.uni-kl.de`
		A	131.246.120.209^{🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN}
			PTR	`mailgate2.uni-kl.de`
MX	`mailgate1.uni-kl.de`⁽¹⁰⁾
		A	2001:638:208:120::208^{🇩🇪 DFN2001:638::/32 -V6-AGG1}
			PTR	`mailgate1.uni-kl.de`
		A	131.246.120.208^{🇩🇪 UNIKL131.246.0.0/16 RHRK-LAN}
			PTR	`mailgate1.uni-kl.de`
SOA	`ns1.rptu.de`hostmaster@uni-kl.de 2024-11-15 #53

`com`

	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=1774631462

Same first word

studwerk-kl.com

DNS History

6 records (4 active, 2 former)

○NSminnehaha.rhrk.uni-kl.de2015-07-20 → 2017-02-13 · 4 obs

● 2015-07-20 20:12:24
● 2017-02-13 12:25:48
○ 2026-03-27 17:13:34
○ 2026-03-27 17:13:36

○NSminnetonka.rhrk.uni-kl.de2015-07-20 → 2017-02-13 · 4 obs

● 2015-07-20 20:12:24
● 2017-02-13 12:25:48
○ 2026-03-27 17:13:34
○ 2026-03-27 17:13:36

●NSns1.rptu.de2026-03-27 → 2026-03-27 · 3 obs

○ 2017-02-13 12:25:48
● 2026-03-27 17:13:34
● 2026-03-27 17:13:36

●NSns2.rptu.de2026-03-27 → 2026-03-27 · 3 obs

○ 2017-02-13 12:25:48
● 2026-03-27 17:13:34
● 2026-03-27 17:13:36

●MXmailgate1.uni-kl.de2015-07-20 → 2026-03-27 · 2 obs

● 2015-07-20 20:12:24
● 2026-03-27 17:13:36

●MXmailgate2.uni-kl.de2015-07-20 → 2026-03-27 · 2 obs

● 2015-07-20 20:12:24
● 2026-03-27 17:13:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
studwerk-kl.com	ns1.rptu.de, ns2.rptu.de	-

✅ Authoritative Response

Server:131.246.9.117

NS records: ns1.rptu.de, ns2.rptu.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studwerk-kl.com (unsigned zone)

⏱️ Timing

Total: 4791ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.rptu.de, ns1.rptu.de`
MX	2	`mailgate1.uni-kl.de (pri: 10), mailgate2.uni-kl.de (pri: 5)`
SOA	1	`ns1.rptu.de hostmaster.uni-kl.de`

Analysis

Name Servers

studwerk-kl.com is delegated to two name servers: ns1.rptu.de and ns2.rptu.de.

studwerk-kl.com uses the same name server setup as other domains such as rarp.info, mecpro.de, iasb-hsb.org, computeralgebra.org and thefutureiscomposite.com.

studwerk-kl.com shares name servers with other domains at least partially, for example 169.68.192.in-addr.arpa, 167.68.192.in-addr.arpa, zit-rlp.de, zfh.de and 165.68.192.in-addr.arpa.

these name servers are commonly used with the name servers dns1.belwue.de, dns-3.dfn.de, dns-1.dfn.de, ns1.fraunhofer.de, ns2.fraunhofer.de, ns3.fraunhofer.de, nserver1.hs-koblenz.de, nserver2.hs-koblenz.de and elfenkauz.zit.uni-kl.de.

Host names with two IP numbers:

ns1.rptu.de points to 2a03:63c0::53:1001 and 131.246.9.117; ns2.rptu.de points to 2a03:63c0::53:1002 and 131.246.1.117.

Mail Servers

Two mail servers mailgate1.uni-kl.de and mailgate2.uni-kl.de handle studwerk-kl.com.

studwerk-kl.com shares the same mail server setup as other domains, for instance sdr42.amateurfunk.uni-kl.de, acceptance-ratio-1.eit.uni-kl.de, dfki-074.dfki.uni-kl.de, kit.uni-kl.de and verw.uni-kl.de.

studwerk-kl.com shares at least partially some mail servers with other domains, for instance dsh.uni-kl.de.