`learn-business.de`

DNSSEC	⚠️ Not signed
A	89.110.140.60^{🇩🇪 EQUINIX-CONNECT-GERMANY89.110.128.0/18 NCL-NET}
		PTR	`vm-140-060.netclusive.cloud`
NS	`ns1.netclusive.net` ⭐
		A	2a04:2b00:14cc::225^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns1.dnsres.net`
		A	193.227.117.225^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns1.dnsres.net`
			PTR	`ns3.registrant-verification.ispapi.net`
NS	`ns2.netclusive.net`
		A	2a04:2b00:14dd::225^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns2.dnsres.net`
		A	194.50.187.225^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns2.dnsres.net`
			PTR	`ns1.registrant-verification.ispapi.net`
NS	`ns3.netclusive.net`
		A	2a04:2b00:14ee::225^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48}
			PTR	`ns3.dnsres.net`
		A	194.0.182.225^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24}
			PTR	`ns3.dnsres.net`
			PTR	`ns2.registrant-verification.ispapi.net`
MX	`mail.learn-business.de` ⭐
		A	89.110.140.60^{🇩🇪 EQUINIX-CONNECT-GERMANY89.110.128.0/18 NCL-NET}
			PTR	`vm-140-060.netclusive.cloud`
TXT	`v=spf1 a mx ?all`
SOA	`ns1.netclusive.net`hostmaster@learn-business.de 2025-03-24 #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=1778456385

Subdomains

mail.learn-business.de

Same first word

learn-business.de

DNS History

8 records (5 active, 3 former)

●NSns1.netclusive.net2026-02-27 → 2026-05-10 · 3 obs

○ 2020-03-16 06:52:40
● 2026-02-27 05:03:50
● 2026-05-10 23:58:54

○NSns1.partnerpanel.de2015-05-18 → 2020-03-16 · 4 obs

● 2015-05-18 10:24:32
● 2020-03-16 06:52:40
○ 2026-02-27 05:03:50
○ 2026-05-10 23:58:54

●NSns2.netclusive.net2026-02-27 → 2026-05-10 · 3 obs

○ 2020-03-16 06:52:40
● 2026-02-27 05:03:50
● 2026-05-10 23:58:54

●NSns3.netclusive.net2026-02-27 → 2026-05-10 · 3 obs

○ 2020-03-16 06:52:40
● 2026-02-27 05:03:50
● 2026-05-10 23:58:54

○NSsns1.partnerpanel.de2015-05-18 → 2020-03-16 · 4 obs

● 2015-05-18 10:24:32
● 2020-03-16 06:52:40
○ 2026-02-27 05:03:50
○ 2026-05-10 23:58:54

●MXmail.learn-business.de2015-05-18 → 2026-05-10 · 2 obs

● 2015-05-18 10:24:32
● 2026-05-10 23:58:54

●A89.110.140.602020-03-16 → 2026-05-10 · 3 obs

○ 2017-03-29 01:20:42
● 2020-03-16 06:52:40
● 2026-05-10 23:58:54

○A89.110.147.2432015-05-18 → 2017-03-29 · 4 obs

● 2015-05-18 10:24:32
● 2017-03-29 01:20:42
○ 2020-03-16 06:52:40
○ 2026-05-10 23:58:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
learn-business.de	ns2.netclusive.net, ns1.netclusive.net, ns3.netclusive.net	-

✅ Authoritative Response

Server:193.227.117.225

NS records: ns2.netclusive.net, ns1.netclusive.net, ns3.netclusive.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learn-business.de (unsigned zone)

⏱️ Timing

Total: 622ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.110.140.60`
NS	3	`ns1.netclusive.net, ns2.netclusive.net...`
MX	1	`mail.learn-business.de (pri: 10)`
TXT	1	`v=spf1 a mx ?all`
SOA	1	`ns1.netclusive.net hostmaster.learn-busi`

Analysis

Hierarchy

The parent of mail.learn-business.de is learn-business.de.

IP Addresses

learn-business.de points to IP number: 89.110.140.60.

Other host names such as sbhome.net, mail.konexio.de, mail.learn-business.de, vm-140-060.netclusive.cloud and mail.holzhueter.org share IPs with learn-business.de.

Name Servers

learn-business.de is delegated to three name servers: ns1.netclusive.net, ns2.netclusive.net and ns3.netclusive.net.

learn-business.de at least partially shares name servers with other domains, for instance bertgen.de, wiesenknopf-leipzig.de, sacogroupair.fr, lailique.org and rox-online.de.

These name servers are commonly used together with ns1.nsdienste.de, ns2.nsdienste.de and ns3.nsdienste.de.

Host ns1.netclusive.net points to 2a04:2b00:14cc::225 and 193.227.117.225; Host ns2.netclusive.net points to 2a04:2b00:14dd::225 and 194.50.187.225; Host ns3.netclusive.net points to 2a04:2b00:14ee::225 and 194.0.182.225.

Mail Servers

learn-business.de is handled by a single mail server, mail.learn-business.de.

mail.learn-business.de points to a single IP: 89.110.140.60.

learn-business.de - robtex.com