`focus-schule.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:1c1f:790d::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
A	91.98.4.246^{🇮🇷 Hetzner91.98.0.0/16 HETZNER-DC}
NS	`ns2.inwx.de` ⭐ 🔒
		A	2001:67c:10b8::104^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.anycastdns.ch`
			PTR	`ns2.inwx.ch`
			PTR	`ns2.inwx.com`
			PTR	`ns2.inwx.de`
			PTR	`b.xnameserver.de`
			PTR	`ns2.inwx.es`
			PTR	`ns.domrobot.net`
		A	176.97.158.104^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.anycastdns.ch`
			PTR	`ns2.inwx.ch`
			PTR	`ns2.inwx.com`
			PTR	`ns2.inwx.de`
			PTR	`b.xnameserver.de`
			PTR	`ns2.inwx.es`
			PTR	`ns.domrobot.net`
NS	`ns.inwx.de` 🔒
		A	2001:67c:1bc::104^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.anycastdns.ch`
			PTR	`ns.inwx.ch`
			PTR	`ns.domrobot.com`
			PTR	`ns.inwx.com`
			PTR	`ns.inwx.de`
			PTR	`a.xnameserver.de`
			PTR	`ns.inwx.es`
		A	192.174.68.104^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.anycastdns.ch`
			PTR	`ns.inwx.ch`
			PTR	`ns.domrobot.com`
			PTR	`ns.inwx.com`
			PTR	`ns.inwx.de`
			PTR	`a.xnameserver.de`
			PTR	`ns.inwx.es`
NS	`ns3.inwx.eu`
		A	2a02:d500::53^{🇩🇪 INWX2a02:d500::/29}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
		A	45.87.158.53^{🇩🇪 INWX45.87.158.0/23}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
NS	`ns4.inwx.com`
		A	2a02:d500::53^{🇩🇪 INWX2a02:d500::/29}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
		A	45.87.158.53^{🇩🇪 INWX45.87.158.0/23}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
NS	`ns5.inwx.net`
		A	2a02:d500::53^{🇩🇪 INWX2a02:d500::/29}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
		A	45.87.158.53^{🇩🇪 INWX45.87.158.0/23}
			PTR	`c.xnameserver.de`
			PTR	`ns3.inwx.eu`
			PTR	`ns.domrobot.org`
MX	`focusschule-de01c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
TXT	`MS=ms54170970`
TXT	`v=spf1 a mx include:spf.protection.outlook.com -all`
SOA	`ns.inwx.de`operations@burda-forward.de 2026-03-12 #4

`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=1773553752

Same first word

focus-schule.de

DNS History

21 records (8 active, 13 former)

○NSns-cloud-b1.googledomains.com2015-07-12 → 2016-07-19 · 4 obs

● 2015-07-12 11:29:32
● 2016-07-19 07:30:12
○ 2017-04-02 15:30:58
○ 2026-03-19 18:21:32

○NSns-cloud-b2.googledomains.com2015-07-12 → 2016-07-19 · 4 obs

● 2015-07-12 11:29:32
● 2016-07-19 07:30:12
○ 2017-04-02 15:30:58
○ 2026-03-19 18:21:32

○NSns-cloud-b3.googledomains.com2015-07-12 → 2016-07-19 · 4 obs

● 2015-07-12 11:29:32
● 2016-07-19 07:30:12
○ 2017-04-02 15:30:58
○ 2026-03-19 18:21:32

○NSns-cloud-b4.googledomains.com2015-07-12 → 2016-07-19 · 4 obs

● 2015-07-12 11:29:32
● 2016-07-19 07:30:12
○ 2017-04-02 15:30:58
○ 2026-03-19 18:21:32

●NSns.inwx.de2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

○NSns1.domaindiscount24.net2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-19 07:30:12
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

○NSns2.domaindiscount24.net2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-19 07:30:12
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

●NSns2.inwx.de2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

○NSns3.domaindiscount24.net2017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-19 07:30:12
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

●NSns3.inwx.eu2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

●NSns4.inwx.com2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

●NSns5.inwx.net2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

○MXfcscl-mx1.focus-r.de2015-07-12 → 2017-04-02 · 4 obs

● 2015-07-12 11:29:32
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

○MXfcscl-mx2.focus-r.de2015-07-12 → 2017-04-02 · 4 obs

● 2015-07-12 11:29:32
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

○MXfcscl-mx3.focus-r.de2015-07-12 → 2017-04-02 · 4 obs

● 2015-07-12 11:29:32
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

○MXfcscl-mx4.focus-r.de2015-07-12 → 2017-04-02 · 4 obs

● 2015-07-12 11:29:32
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

●MXfocusschule-de01c.mail.protection.outlook.com2026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

●A2a01:4f8:1c1f:790d::12026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

○A51.254.41.572017-04-02 → 2017-04-02 · 4 obs

○ 2016-07-19 07:30:12
● 2017-04-02 15:30:58
○ 2026-02-25 02:15:38
○ 2026-03-19 18:21:32

○A62.138.108.1302015-07-12 → 2016-07-19 · 4 obs

● 2015-07-12 11:29:32
● 2016-07-19 07:30:12
○ 2017-04-02 15:30:58
○ 2026-03-19 18:21:32

●A91.98.4.2462026-02-25 → 2026-03-19 · 3 obs

○ 2017-04-02 15:30:58
● 2026-02-25 02:15:38
● 2026-03-19 18:21:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
focus-schule.de	ns4.inwx.com, ns.inwx.de, ns5.inwx.net, ns2.inwx.de...	-

✅ Authoritative Response

Server: 45.87.158.53

NS records: ns4.inwx.com, ns.inwx.de, ns5.inwx.net, ns2.inwx.de, ns3.inwx.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for focus-schule.de (unsigned zone)

⏱️ Timing

Total: 1279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.98.4.246`
AAAA	1	`2a01:4f8:1c1f:790d::1`
NS	5	`ns4.inwx.com, ns3.inwx.eu...`
MX	1	`focusschule-de01c.mail.protection.outloo`
TXT	2	`MS=ms54170970, v=spf1 a mx include:spf.protection.outlo`
SOA	1	`ns.inwx.de operations.burda-forward.de`

Analysis

IP Addresses

focus-schule.de points to two IP numbers: 2a01:4f8:1c1f:790d::1 and 91.98.4.246.

Other host names, for instance chip.deals, e-focus.de, fokus.de, renewillrendite.de and pet-forward.com share IP numbers with focus-schule.de.

Name Servers

focus-schule.de is delegated to five name servers: ns4.inwx.com, ns2.inwx.de, ns.inwx.de, ns3.inwx.eu and ns5.inwx.net.

focus-schule.de at least partially shares its name servers with other domains, for instance gardostar.de, alstapp.com, jems.de, umajo.de and xn--sdafrikareisen-gsb.de.