`digitalpreservationsolution.de`

DNSSEC	⚠️ Not signed
A	2001:4dd0:100:1f00:80:0:80:1^{🇩🇪 NETCOLOGNE2001:4dd0::/32 NetCologne GmbH Am Coloneum 9 50829 Koeln}
		PTR	`webcluster01.netcologne.de`
A	81.173.194.3^{🇩🇪 NETCOLOGNE81.173.128.0/17 NetCologne PA space}
NS	`dns11.netcologne.de` ⭐
		A	2a02:2940:0:a0d1::246^{🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany}
			PTR	`dns.dns1.de`
		A	95.130.16.246^{🇩🇪 INETWIRE-AS95.130.16.0/21 Key-Systems GmbH / PartnerGate Liebherrstr. 22 80538 Muenchen, Germany}
			PTR	`dns.dns1.de`
NS	`dns12.netcologne.de`
		A	2a02:2940:0:a0d2::218^{🇩🇪 INETWIRE-AS2a02:2940::/32 PartnerGate GmbH Wilhelm-Wagenfeld-Str. 20 80807 Muenchen Germany}
			PTR	`dns.dns2.de`
		A	95.130.17.218^{🇩🇪 INETWIRE-AS95.130.17.0/24 InterNetWire Communications GmbH Wilhelm-Wagenfeld-Str. 16 80807 Muenchen}
			PTR	`dns.dns2.de`
NS	`dns13.netcologne.de`
		A	2a00:11c0:e:766::2^{🇩🇪 ANEXIA2a00:11c0:e::/48 Internetdienstleistungs GmbH DE - Frankfurt}
			PTR	`dns.dns3.de`
		A	217.146.22.194^{🇩🇪 ANEXIA217.146.22.0/24 Anexia DE - Frankfurt}
			PTR	`dns.dns3.de`
NS	`dns14.netcologne.de`
		A	2a01:4f8:192:2187::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`dns.dns4.de`
		A	144.76.91.137^{🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1}
			PTR	`dns.dns4.de`
SOA	`dns11.netcologne.de`hostmaster@netcologne.de 2016-03-03 #2

`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=1775200402

Same first word

digitalpreservationsolution.de

DNS History

12 records (6 active, 6 former)

●NSdns11.netcologne.de2015-11-13 → 2026-04-03 · 3 obs

○ 2015-07-10 13:03:08
● 2015-11-13 09:10:44
● 2026-04-03 07:15:36

●NSdns12.netcologne.de2015-11-13 → 2026-04-03 · 3 obs

○ 2015-07-10 13:03:08
● 2015-11-13 09:10:44
● 2026-04-03 07:15:36

●NSdns13.netcologne.de2015-11-13 → 2026-04-03 · 3 obs

○ 2015-07-10 13:03:08
● 2015-11-13 09:10:44
● 2026-04-03 07:15:36

●NSdns14.netcologne.de2015-11-13 → 2026-04-03 · 3 obs

○ 2015-07-10 13:03:08
● 2015-11-13 09:10:44
● 2026-04-03 07:15:36

○NSdocks09.rzone.de2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2015-11-13 09:10:44
○ 2026-04-03 07:15:36

○NSshades02.rzone.de2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2015-11-13 09:10:44
○ 2026-04-03 07:15:36

○MXsmtp.rzone.de2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2015-11-13 09:10:44
○ 2026-04-03 07:15:36

○A195.20.44.1022015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2017-08-21 18:05:24
○ 2026-04-03 07:15:36

●A2001:4dd0:100:1f00:80:0:80:12016-04-21 → 2026-04-03 · 3 obs

○ 2015-11-13 09:10:44
● 2016-04-21 02:16:58
● 2026-04-03 07:15:36

○A2a01:238:20a:202:1156::2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2015-11-13 09:10:44
○ 2026-04-03 07:15:36

○A81.169.145.1562015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:03:08
○ 2015-11-13 09:10:44
○ 2026-04-03 07:15:36

●A81.173.194.32016-04-21 → 2026-04-03 · 3 obs

○ 2015-11-13 09:10:44
● 2016-04-21 02:16:58
● 2026-04-03 07:15:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
digitalpreservationsolution.de	dns13.netcologne.de, dns12.netcologne.de, dns11.netcologne.de, dns14.netcologne.de	-

✅ Authoritative Response

Server:217.146.22.194

NS records: dns13.netcologne.de, dns12.netcologne.de, dns11.netcologne.de, dns14.netcologne.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for digitalpreservationsolution.de (unsigned zone)

⏱️ Timing

Total: 946ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.173.194.3`
AAAA	1	`2001:4dd0:100:1f00:80:0:80:1`
NS	4	`dns12.netcologne.de, dns13.netcologne.de...`
SOA	1	`dns11.netcologne.de hostmaster.netcologn`

Analysis

IP Addresses

digitalpreservationsolution.de points to two IP numbers: 2001:4dd0:100:1f00:80:0:80:1 and 81.173.194.3.

Other host names, for instance aufkurs.koeln, ch.koeln, netcologne.com, jaensch-koeln.de and www.wlan-netaachen.de share IP numbers with digitalpreservationsolution.de.

Name Servers

digitalpreservationsolution.de is delegated to four name servers: dns11.netcologne.de, dns12.netcologne.de, dns13.netcologne.de and dns14.netcologne.de.

digitalpreservationsolution.de at least partially shares name servers with other domains, for instance vareo.de, domains.koeln, dental.cologne, alemannia-tickets.de and taxiruf.de.

These name servers are commonly used alongside ns1.domainers.de, ns2.domainers.de, ns3.domainers.de and ns4.domainers.de.

Host names with two IP numbers:

dns11.netcologne.de points to: 2a02:2940:0:a0d1::246 and 95.130.16.246.

dns12.netcologne.de points to: 2a02:2940:0:a0d2::218 and 95.130.17.218.

dns13.netcologne.de points to: 2a00:11c0:e:766::2 and 217.146.22.194.

dns14.netcologne.de points to: 2a01:4f8:192:2187::2 and 144.76.91.137.

digitalpreservationsolution.de - robtex.com