`virtual-classroom.de`

DNSSEC	⚠️ Not signed
A	185.181.104.242^{🇩🇪 INWX185.181.104.0/22}
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`
SOA	`ns.inwx.de`hostmaster@inwx.de 2018-09-23 #0

`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=1778403072

Same first word

virtual-classroom.de

DNS History

14 records (4 active, 10 former)

○NScns1.alfahosting.info2015-07-03 → 2016-04-27 · 4 obs

● 2015-07-03 20:14:40
● 2016-04-27 10:59:26
○ 2016-12-24 21:26:06
○ 2026-05-10 08:59:54

○NScns2.alfahosting.info2015-07-03 → 2016-04-27 · 4 obs

● 2015-07-03 20:14:40
● 2016-04-27 10:59:26
○ 2016-12-24 21:26:06
○ 2026-05-10 08:59:54

○NScns3.alfahosting.info2015-07-03 → 2016-04-27 · 4 obs

● 2015-07-03 20:14:40
● 2016-04-27 10:59:26
○ 2016-12-24 21:26:06
○ 2026-05-10 08:59:54

●NSns.inwx.de2026-05-10 → 2026-05-10 · 3 obs

○ 2017-11-11 22:39:28
● 2026-05-10 08:59:52
● 2026-05-10 08:59:54

●NSns2.inwx.de2026-05-10 → 2026-05-10 · 3 obs

○ 2017-11-11 22:39:28
● 2026-05-10 08:59:52
● 2026-05-10 08:59:54

●NSns3.inwx.eu2026-05-10 → 2026-05-10 · 3 obs

○ 2017-11-11 22:39:28
● 2026-05-10 08:59:52
● 2026-05-10 08:59:54

○NSns4.speicherzentrum.de2016-12-24 → 2017-11-11 · 5 obs

○ 2016-04-27 10:59:26
● 2016-12-24 21:26:06
● 2017-11-11 22:39:28
○ 2026-05-10 08:59:52
○ 2026-05-10 08:59:54

○NSns5.speicherzentrum.de2016-12-24 → 2017-11-11 · 5 obs

○ 2016-04-27 10:59:26
● 2016-12-24 21:26:06
● 2017-11-11 22:39:28
○ 2026-05-10 08:59:52
○ 2026-05-10 08:59:54

○NSns6.speicherzentrum.de2016-12-24 → 2017-11-11 · 5 obs

○ 2016-04-27 10:59:26
● 2016-12-24 21:26:06
● 2017-11-11 22:39:28
○ 2026-05-10 08:59:52
○ 2026-05-10 08:59:54

○MXmail.virtual-classroom.de2015-07-03 → 2017-11-11 · 4 obs

● 2015-07-03 20:14:40
● 2017-11-11 22:39:28
○ 2026-05-10 08:59:52
○ 2026-05-10 08:59:54

○A109.237.133.2022015-11-06 → 2016-04-27 · 5 obs

○ 2015-07-03 20:14:40
● 2015-11-06 23:30:32
● 2016-04-27 10:59:26
○ 2016-12-24 21:26:06
○ 2026-05-10 08:59:54

○A178.254.62.562016-12-24 → 2017-11-11 · 5 obs

○ 2016-04-27 10:59:26
● 2016-12-24 21:26:06
● 2017-11-11 22:39:28
○ 2026-05-10 08:59:52
○ 2026-05-10 08:59:54

●A185.181.104.2422026-05-10 → 2026-05-10 · 3 obs

○ 2017-11-11 22:39:28
● 2026-05-10 08:59:52
● 2026-05-10 08:59:54

○A94.101.38.122015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 20:14:40
○ 2015-11-06 23:30:32
○ 2026-05-10 08:59:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
virtual-classroom.de	ns2.inwx.de, ns3.inwx.eu, ns.inwx.de	-

✅ Authoritative Response

Server:176.97.158.104

NS records: ns2.inwx.de, ns3.inwx.eu, ns.inwx.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for virtual-classroom.de (unsigned zone)

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.181.104.242`
NS	3	`ns2.inwx.de, ns3.inwx.eu...`
SOA	1	`ns.inwx.de hostmaster.inwx.de`

Analysis

IP Addresses

virtual-classroom.de resolves to one IP number: 185.181.104.242.

Other host names, for instance praxis-website.ch, mi4u.de, progressics.de, recargale.com and esta.gr share IP numbers with virtual-classroom.de.

Name Servers

virtual-classroom.de is delegated to three name servers: ns2.inwx.de, ns.inwx.de and ns3.inwx.eu.

virtual-classroom.de at least partially shares name servers with other domains, including adults-only-hotels.com, reichweite2.de, jochen-scheib.de, mdns.eu and haas-automobile.de.

These name servers are commonly used with ns3.inwx.de, ns4.inwx.com and ns5.inwx.net.

Host names with two IP numbers:

ns2.inwx.de: 2001:67c:10b8::104 and 176.97.158.104

ns.inwx.de: 2001:67c:1bc::104 and 192.174.68.104

ns3.inwx.eu: 2a02:d500::53 and 45.87.158.53

virtual-classroom.de - robtex.com