gub21.de - robtex.com
gub21.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.44.111.11🇩🇪 ONE-NETWORK5.44.108.0/22 | ||||||
| PTR | web36.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 2023-03-21 #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=1786109062 | ||||||
Subdomains
www.gub21.de |
Same first word
gub21.de |
Similar names
DNS History
9 records (6 active, 3 former)
●NScns1.alfahosting.info2015-08-01 → 2026-08-07 · 2 obs
● 2026-08-07 13:53:16
●NScns2.alfahosting.info2015-08-01 → 2026-08-07 · 2 obs
● 2026-08-07 13:53:16
●NScns3.alfahosting.info2015-08-01 → 2026-08-07 · 2 obs
● 2026-08-07 13:53:16
○MXmail.gub21.de2015-08-01 → 2020-03-08 · 4 obs
● 2020-03-08 17:18:10
○ 2026-06-02 06:54:14
○ 2026-08-07 13:53:16
●MXmx03.secure-mailgate.com2026-06-02 → 2026-08-07 · 3 obs
● 2026-06-02 06:54:14
● 2026-08-07 13:53:16
●MXmx04.secure-mailgate.com2026-06-02 → 2026-08-07 · 3 obs
● 2026-06-02 06:54:14
● 2026-08-07 13:53:16
○A109.237.133.2132015-12-16 → 2020-03-08 · 5 obs
● 2015-12-16 14:38:14
● 2020-03-08 17:18:10
○ 2026-06-02 06:54:14
○ 2026-08-07 13:53:16
●A5.44.111.112026-06-02 → 2026-08-07 · 3 obs
● 2026-06-02 06:54:14
● 2026-08-07 13:53:16
○A94.101.38.342015-08-01 → 2015-08-01 · 3 obs
○ 2015-12-16 14:38:14
○ 2026-08-07 13:53:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| gub21.de | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gub21.de (unsigned zone)
⏱️ Timing
Total: 2236ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.44.111.11 |
| NS | 3 | cns1.alfahosting.info, cns2.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
gub21.de serves as the parent of www.gub21.de.
IP Addresses
gub21.de points to a single IP number: 5.44.111.11.
Additional host names — estherhillen.de, havana-bar-erfurt.de, 55pluslangenbach-hummel.de and two others — share IP numbers with gub21.de.
Name Servers
gub21.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
gub21.de has at least partial name server overlap with other domains, such as kuigan.de, sowak.at, relsberg.de and two others.
cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info each resolve to two IP addresses: cns1.alfahosting.info resolves to 109.237.142.8 and 2a01:64c0:0:5000::8; cns2.alfahosting.info resolves to 148.251.254.105 and 2a01:4f8:2b02:a88::105; cns3.alfahosting.info resolves to 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
gub21.de has two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
gub21.de shares the same mail server setup as other domains, including zbrodov.com, powerkids.at, diprobe.com and two others.
mx03.secure-mailgate.com and mx04.secure-mailgate.com each resolve to two IP addresses: mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176, while mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.