michael-mook.de - robtex.com
michael-mook.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.233🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host201.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.infohostmaster@alfahosting.de 2026-01-15 #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.dedns-operations@denic.de serial=1786543432 | ||||||
Subdomains
mail.michael-mook.de |
Same first word
michael-mook.de |
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-08-21 → 2026-08-12 · 2 obs
● 2026-08-12 14:14:26
●NScns2.alfahosting.info2015-08-21 → 2026-08-12 · 2 obs
● 2026-08-12 14:14:26
●NScns3.alfahosting.info2015-08-21 → 2026-08-12 · 2 obs
● 2026-08-12 14:14:26
○MXmail.michael-mook.de2015-08-21 → 2017-08-18 · 4 obs
● 2017-08-18 00:39:04
○ 2026-04-01 06:19:12
○ 2026-08-12 14:14:26
●MXmx03.secure-mailgate.com2026-04-01 → 2026-08-12 · 3 obs
● 2026-04-01 06:19:12
● 2026-08-12 14:14:26
●MXmx04.secure-mailgate.com2026-04-01 → 2026-08-12 · 3 obs
● 2026-04-01 06:19:12
● 2026-08-12 14:14:26
○A109.237.134.302015-08-21 → 2017-08-18 · 4 obs
● 2017-08-18 00:39:04
○ 2026-04-01 06:19:12
○ 2026-08-12 14:14:26
●A81.88.34.2332026-04-01 → 2026-08-12 · 3 obs
● 2026-04-01 06:19:12
● 2026-08-12 14:14:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| michael-mook.de | cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns2.alfahosting.info, cns1.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for michael-mook.de (unsigned zone)
⏱️ Timing
Total: 996ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.233 |
| NS | 3 | cns2.alfahosting.info, cns1.alfahosting.info... |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
michael-mook.de is the parent zone for mail.michael-mook.de.
IP Addresses
michael-mook.de resolves to one IP address: 81.88.34.233.
guenther-u-sohn.de, authsmtp.urologie-pankow-buch.de, mail.24-sale.de and two other host names share IP numbers with michael-mook.de.
Name Servers
The authoritative name servers for michael-mook.de are cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info — three in total.
michael-mook.de partially shares its NS delegation with several other domains, including mehdi-amini.com, desitec.de, buhl-bikes.de and two others.
cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info all resolve to exactly two IP numbers apiece: cns1.alfahosting.info → 109.237.142.8 and 2a01:64c0:0:5000::8; cns2.alfahosting.info → 148.251.254.105 and 2a01:4f8:2b02:a88::105; cns3.alfahosting.info → 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
Mail for michael-mook.de is handled by two mail servers — mx03.secure-mailgate.com and mx04.secure-mailgate.com.
michael-mook.de uses an identical mail server configuration to several other domains — among them bonator.com, atelierofarchitecture.com, rehwald.info and two more.
michael-mook.de partially shares its mail servers with other domains, motofreakz.de and mybased.info being examples.
The two host names mx03.secure-mailgate.com and mx04.secure-mailgate.com each have a pair of IP addresses: mx03.secure-mailgate.com has 46.243.88.174 and 46.243.88.176, and mx04.secure-mailgate.com has 46.243.88.175 and 46.243.88.177.