`notebook-mcbook.de`

DNSSEC	⚠️ Not signed
A	5.44.111.62^{🇩🇪 ONE-NETWORK5.44.108.0/22}
		PTR	`web82.alfahosting-server.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	`mx03.secure-mailgate.com` ⭐
		A	46.243.88.174^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.176^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
MX	`mx04.secure-mailgate.com` ⭐
		A	46.243.88.175^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node03.secure-mailgate.com`
		A	46.243.88.177^{🇩🇪 CLOUDPIT46.243.88.0/21}
			PTR	`node04.secure-mailgate.com`
SOA	`cns1.alfahosting.info`hostmaster@alfahosting.de 2023-07-14 #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=1774637807

Subdomains

mail.notebook-mcbook.de

Same first word

notebook-mcbook.de

DNS History

8 records (6 active, 2 former)

●NScns1.alfahosting.info2015-08-11 → 2026-03-27 · 2 obs

● 2015-08-11 03:26:26
● 2026-03-27 19:05:40

●NScns2.alfahosting.info2015-08-11 → 2026-03-27 · 2 obs

● 2015-08-11 03:26:26
● 2026-03-27 19:05:40

●NScns3.alfahosting.info2015-08-11 → 2026-03-27 · 2 obs

● 2015-08-11 03:26:26
● 2026-03-27 19:05:40

○MXmail.notebook-mcbook.de2015-08-11 → 2017-11-19 · 4 obs

● 2015-08-11 03:26:26
● 2017-11-19 22:25:56
○ 2026-03-09 10:49:48
○ 2026-03-27 19:05:40

●MXmx03.secure-mailgate.com2026-03-09 → 2026-03-27 · 3 obs

○ 2017-11-19 22:25:56
● 2026-03-09 10:49:48
● 2026-03-27 19:05:40

●MXmx04.secure-mailgate.com2026-03-09 → 2026-03-27 · 3 obs

○ 2017-11-19 22:25:56
● 2026-03-09 10:49:48
● 2026-03-27 19:05:40

○A109.237.134.182015-08-11 → 2017-11-19 · 4 obs

● 2015-08-11 03:26:26
● 2017-11-19 22:25:56
○ 2026-03-09 10:49:48
○ 2026-03-27 19:05:40

●A5.44.111.622026-03-09 → 2026-03-27 · 3 obs

○ 2017-11-19 22:25:56
● 2026-03-09 10:49:48
● 2026-03-27 19:05:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.8

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for notebook-mcbook.de (unsigned zone)

⏱️ Timing

Total: 2325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.44.111.62`
NS	3	`cns2.alfahosting.info, cns1.alfahosting.info...`
MX	2	`mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10)`
SOA	1	`cns1.alfahosting.info hostmaster.alfahos`

Analysis

Hierarchy

mail.notebook-mcbook.de is a child of notebook-mcbook.de.

IP Addresses

notebook-mcbook.de resolves to one IP number: 5.44.111.62.

Other host names, for instance dorothee-arndt.de, mbfreaks.ja-woll.de, ib-scheer.de, blog.neozero.de and mail.aubety.de share IP numbers with notebook-mcbook.de.

Name Servers

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

notebook-mcbook.de at least partially shares name servers with other domains, including u01.de, lehmannj.de, reiterlebnis.de, pcht.de and tabakundco.com.

Host names with two IP numbers:

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

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

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

Mail Servers

notebook-mcbook.de is served by two mail servers mx03.secure-mailgate.com and mx04.secure-mailgate.com.

notebook-mcbook.de shares the same mail server setup as other domains, for instance leviora-guitars.de, gligoric.at, corvintaurus.de, (0x736578)y-belly.com and kaiser-technik.de.

Host names with two IPs:

mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176

mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177

notebook-mcbook.de - robtex.com