`hybrid-learning.de`

DNSSEC	⚠️ Not signed
A	128.127.66.75^{🇩🇪 ONE-NETWORK128.127.64.0/21}
		PTR	`vps54225.alfahosting-vps.de`
NS	`cns1.alfahosting.info` ⭐
		A	2a01:64c0:0:5000::8^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`cns1.cloudpit.de`
		A	109.237.142.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns1.cloudpit.de`
NS	`cns2.alfahosting.info`
		A	2a01:4f8:2b02:a88::105^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`cns2.cloudpit.com`
		A	148.251.254.105^{🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2}
			PTR	`cns2.cloudpit.com`
NS	`cns3.alfahosting.info`
		A	2a02:2b80:101:5000::8^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`cns3.cloudpit.io`
		A	109.237.143.8^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`cns3.cloudpit.io`
MX	`mail.hybrid-learning.de` ⭐
		A	128.127.66.75^{🇩🇪 ONE-NETWORK128.127.64.0/21}
			PTR	`vps54225.alfahosting-vps.de`
TXT	`c4fadbfc10e3e66a2bdedac864e1c4cddec11ed6`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting.de 2026-03-10 #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=1776077666

Same first word

hybrid-learning.de

DNS History

16 records (5 active, 11 former)

●NScns1.alfahosting.info2026-03-18 → 2026-04-13 · 3 obs

○ 2026-02-19 14:32:16
● 2026-03-18 09:44:00
● 2026-04-13 11:11:42

●NScns2.alfahosting.info2026-03-18 → 2026-04-13 · 3 obs

○ 2026-02-19 14:32:16
● 2026-03-18 09:44:00
● 2026-04-13 11:11:42

●NScns3.alfahosting.info2026-03-18 → 2026-04-13 · 3 obs

○ 2026-02-19 14:32:16
● 2026-03-18 09:44:00
● 2026-04-13 11:11:42

○NSns.namespace4you.de2016-05-06 → 2018-11-14 · 4 obs

● 2016-05-06 21:57:00
● 2018-11-14 02:23:22
○ 2026-02-19 00:29:36
○ 2026-04-13 11:11:42

○NSns2.namespace4you.de2016-05-06 → 2018-11-14 · 4 obs

● 2016-05-06 21:57:00
● 2018-11-14 02:23:22
○ 2026-02-19 00:29:36
○ 2026-04-13 11:11:42

○NSns81.domaincontrol.com2026-02-19 → 2026-02-19 · 5 obs

○ 2018-11-14 02:23:22
● 2026-02-19 00:29:36
● 2026-02-19 14:32:16
○ 2026-03-18 09:44:00
○ 2026-04-13 11:11:42

○NSns82.domaincontrol.com2026-02-19 → 2026-02-19 · 5 obs

○ 2018-11-14 02:23:22
● 2026-02-19 00:29:36
● 2026-02-19 14:32:16
○ 2026-03-18 09:44:00
○ 2026-04-13 11:11:42

●MXmail.hybrid-learning.de2026-03-18 → 2026-04-13 · 3 obs

○ 2026-02-19 14:32:16
● 2026-03-18 09:44:00
● 2026-04-13 11:11:42

○MXmxlb.ispgateway.de2016-05-06 → 2026-02-19 · 4 obs

● 2016-05-06 21:57:00
● 2026-02-19 14:32:16
○ 2026-03-18 09:44:00
○ 2026-04-13 11:11:42

●A128.127.66.752026-03-18 → 2026-04-13 · 3 obs

○ 2026-02-19 14:32:16
● 2026-03-18 09:44:00
● 2026-04-13 11:11:42

○A134.119.2.2302018-11-14 → 2026-02-19 · 5 obs

○ 2017-02-06 15:39:38
● 2018-11-14 02:23:22
● 2026-02-19 14:32:16
○ 2026-03-18 09:44:00
○ 2026-04-13 11:11:42

○A141.0.23.762016-05-06 → 2017-02-06 · 4 obs

● 2016-05-06 21:57:00
● 2017-02-06 15:39:38
○ 2018-11-14 02:23:22
○ 2026-04-13 11:11:42

○A2a00:1158:0:406:7969::12016-05-06 → 2016-05-06 · 3 obs

● 2016-05-06 21:57:00
○ 2017-02-06 15:39:38
○ 2026-04-13 11:11:42

○A2a00:1158:1000:406::34c2017-02-06 → 2017-02-06 · 4 obs

○ 2016-05-06 21:57:00
● 2017-02-06 15:39:38
○ 2018-11-14 02:23:22
○ 2026-04-13 11:11:42

○A2a00:1158:1000:407::e62018-11-14 → 2018-11-14 · 4 obs

○ 2017-02-06 15:39:38
● 2018-11-14 02:23:22
○ 2026-02-19 00:29:36
○ 2026-04-13 11:11:42

○A2a00:1169:103:4ad0::2026-02-19 → 2026-02-19 · 5 obs

○ 2018-11-14 02:23:22
● 2026-02-19 00:29:36
● 2026-02-19 14:32:16
○ 2026-03-18 09:44:00
○ 2026-04-13 11:11:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
hybrid-learning.de	cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info	-

✅ Authoritative Response

Server:109.237.143.8

NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hybrid-learning.de (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.127.66.75`
NS	3	`cns2.alfahosting.info, cns1.alfahosting.info...`
MX	1	`mail.hybrid-learning.de (pri: 10)`
TXT	1	`c4fadbfc10e3e66a2bdedac864e1c4cddec11ed6`
SOA	1	`cns1.alfahosting.info hostmaster.alfahos`

Analysis

IP Addresses

hybrid-learning.de points to a single IP address: 128.127.66.75.

Other host names such as skillboxx.de, edutrainment-company.com, vps54225.alfahosting-vps.de, lernevents.com and mail.skillboxx.de share IPs with hybrid-learning.de.

Name Servers

hybrid-learning.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.

hybrid-learning.de at least partially shares name servers with other domains, for example physiotherapie-leeden.de, hausservice-nord.de, kit-it.de, quiz-duell.de and avradeberg58.de.

These name servers are commonly used with ns10.alfahosting.info and ns8.alfahosting.info and ns9.alfahosting.info.

Host names with two IP numbers:

cns1.alfahosting.info points to 2a01:64c0:0:5000::8 and 109.237.142.8

cns2.alfahosting.info points to 2a01:4f8:2b02:a88::105 and 148.251.254.105

cns3.alfahosting.info points to 2a02:2b80:101:5000::8 and 109.237.143.8

Mail Servers

The mail.hybrid-learning.de mail server handles hybrid-learning.de.

mail.hybrid-learning.de points to a single IP number: 128.127.66.75.

hybrid-learning.de - robtex.com