studicus.de - dns.ninja

`studicus.de`

DNSSEC	🔒 Signed (DS record present)
A	2a01:4f8:c17:c19c::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`cs3.web-redirect.eu`
A	2a01:4f8:c2c:abf5::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	2a01:4f8:c010:3f9c::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	116.202.9.166^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
A	116.202.21.136^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
A	116.203.213.72^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
NS	`ns1.domainoffensive.de` ⭐
		A	2001:67c:1bc::21^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.mainns.de`
		A	192.174.68.21^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.mainns.de`
NS	`ns2.domainoffensive.eu`
		A	2001:67c:10b8::21^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.mainns.eu`
		A	176.97.158.21^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.mainns.eu`
NS	`ns3.domainoffensive.net`
		A	2001:67c:1bc::20^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns3.mainns.net`
		A	192.174.68.20^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns3.mainns.net`
TXT	`v=spf1 -all`
SOA	`ns1.domainoffensive.de`info@domains.resellerinterface.de serial=1785974400

`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=1786418571

Same first word

studicus.de

studicus.com

DNS History

14 records (9 active, 5 former)

●NSns1.domainoffensive.de2026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

○NSns1.org-ns.com2015-07-19 → 2017-04-05 · 4 obs

● 2015-07-19 20:34:38
● 2017-04-05 07:33:16
○ 2026-07-10 20:47:18
○ 2026-08-11 03:55:28

●NSns2.domainoffensive.eu2026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

○NSns2.org-ns.com2015-07-19 → 2017-04-05 · 4 obs

● 2015-07-19 20:34:38
● 2017-04-05 07:33:16
○ 2026-07-10 20:47:18
○ 2026-08-11 03:55:28

●NSns3.domainoffensive.net2026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

○MX.2026-07-10 → 2026-08-11 · 2 obs

○ 2026-07-10 20:47:18
○ 2026-08-11 03:55:28

○MXmail.studicus.de2015-07-19 → 2017-04-05 · 4 obs

● 2015-07-19 20:34:38
● 2017-04-05 07:33:16
○ 2026-07-10 20:47:18
○ 2026-08-11 03:55:28

●A116.202.21.1362026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

●A116.202.9.1662026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

●A116.203.213.722026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

○A212.144.99.2282015-07-19 → 2017-04-05 · 4 obs

● 2015-07-19 20:34:38
● 2017-04-05 07:33:16
○ 2026-07-10 20:47:18
○ 2026-08-11 03:55:28

●A2a01:4f8:c010:3f9c::12026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

●A2a01:4f8:c17:c19c::12026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

●A2a01:4f8:c2c:abf5::12026-07-10 → 2026-08-11 · 3 obs

○ 2017-04-05 07:33:16
● 2026-07-10 20:47:18
● 2026-08-11 03:55:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
studicus.de	ns1.domainoffensive.de, ns2.domainoffensive.eu, ns3.domainoffensive.net	-

✅ Authoritative Response

Server:192.174.68.21

NS records: ns1.domainoffensive.de, ns2.domainoffensive.eu, ns3.domainoffensive.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`116.202.9.166, 116.202.21.136...`
AAAA	3	`2a01:4f8:c17:c19c::1, 2a01:4f8:c2c:abf5::1...`
NS	3	`ns1.domainoffensive.de, ns2.domainoffensive.eu...`
MX	1	`. (pri: 10)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.domainoffensive.de info.domains.rese`

Analysis

IP Addresses

studicus.de points to 6 IP addresses, including 116.202.9.166, 116.202.21.136 and 116.203.213.72, plus 3 other.

vermittlerportal.eu, ewaf.eu, ewc-academy.com plus two other host names have IP numbers in common with studicus.de.

Name Servers

The authoritative name servers for studicus.de are ns1.domainoffensive.de, ns2.domainoffensive.eu and ns3.domainoffensive.net — three in total.

There is at least partial name server overlap between studicus.de and other domains — thesquare-film.de, 95z.de, freizeit.com and two more among them.

These name servers frequently co-occur with the name servers ns2.domainoffensive.de and ns3.domainoffensive.de.

ns1.domainoffensive.de, ns2.domainoffensive.eu and ns3.domainoffensive.net all resolve to exactly two IP numbers apiece: ns1.domainoffensive.de → 192.174.68.21 and 2001:67c:1bc::21; ns2.domainoffensive.eu → 176.97.158.21 and 2001:67c:10b8::21; ns3.domainoffensive.net → 192.174.68.20 and 2001:67c:1bc::20.