`algorithmen-lernen.de`

DNSSEC	⚠️ Not signed
A	116.202.66.61^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
		PTR	`server11.febas.net`
NS	`ns1.febas.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	`ns2.febas.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	`ns3.febas.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	`ns4.febas.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`
MX	`mail.febas.net` ⭐
		A	159.69.132.202^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`mail.febas.net`
TXT	`v=spf1 a mx include:spf.febas.net ~all`
SOA	`ns1.febas.de`info@febas.de 2023-09-16 #1

`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=1774867381

🔒 HSTS Preload (+subdomains)

Same first word

algorithmen-lernen.de

DNS History

6 records (6 active, 0 former)

●NSns1.febas.de2026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

●NSns2.febas.de2026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

●NSns3.febas.de2026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

●NSns4.febas.de2026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

●MXmail.febas.net2026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

●A116.202.66.612026-03-14 → 2026-03-30 · 2 obs

● 2026-03-14 08:24:40
● 2026-03-30 10:53:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
algorithmen-lernen.de	ns1.febas.de, ns2.febas.de, ns3.febas.de, ns4.febas.de	-

✅ Authoritative Response

Server:95.130.16.246

NS records: ns1.febas.de, ns2.febas.de, ns3.febas.de, ns4.febas.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmen-lernen.de (unsigned zone)

⏱️ Timing

Total: 986ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.202.66.61`
NS	4	`ns1.febas.de, ns3.febas.de...`
MX	1	`mail.febas.net (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.febas.net ~all`
SOA	1	`ns1.febas.de info.febas.de`

Analysis

IP Addresses

algorithmen-lernen.de resolves to one IP number: 116.202.66.61.

other host names including mx0.normanrichter.de, reisert-galabau.de, qrpage.de, sourcedrive.de and logistiksystemsupport.de share IP numbers with algorithmen-lernen.de.

Name Servers

algorithmen-lernen.de is delegated to four name servers: ns1.febas.de, ns2.febas.de, ns3.febas.de and ns4.febas.de.

algorithmen-lernen.de at least partially shares name servers with other domains, for instance qs-konzepte.de, snappo.de, intended-media.de, kurzurlaub-ostfriesland.de and mgj.de.

these name servers are often used together with dns.dns01.de, dns.dns02.de, dns.dns03.de and dns.dns04.de.

Host names with two IP numbers:

ns1.febas.de points to 2a02:2940:0:a0d1::246 and 95.130.16.246; ns2.febas.de points to 2a02:2940:0:a0d2::218 and 95.130.17.218; ns3.febas.de points to 2a00:11c0:e:766::2 and 217.146.22.194; ns4.febas.de points to 2a01:4f8:192:2187::2 and 144.76.91.137.

Mail Servers

algorithmen-lernen.de is handled by a single mail server, mail.febas.net.

algorithmen-lernen.de shares the same mail server setup as other domains, for instance autoankauf-menden.de, 3car.de, darkferris.de, derbent.de and bienentherapie.de.

mail.febas.net resolves to IP 159.69.132.202.

algorithmen-lernen.de - robtex.com