plusopenair.de - robtex.com
plusopenair.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.44.111.46🇩🇪 ONE-NETWORK5.44.108.0/22 | ||||||
| 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 | ||||||
| TXT | v=spf1 a mx include:secure-mailgate.com ~all | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting@de 2026-07-11 #2 | ||||||
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=1784429266 | ||||||
Same first word
plusopenair.de |
Similar names
DNS History
6 records (6 active, 0 former)
●NScns1.alfahosting.info2026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
●NScns2.alfahosting.info2026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
●NScns3.alfahosting.info2026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
●MXmx03.secure-mailgate.com2026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
●MXmx04.secure-mailgate.com2026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
●A5.44.111.462026-06-26 → 2026-07-19 · 2 obs
● 2026-07-19 03:13:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| plusopenair.de | cns3.alfahosting.info, cns1.alfahosting.info, cns2.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.143.8
NS records: cns3.alfahosting.info, cns1.alfahosting.info, cns2.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plusopenair.de (unsigned zone)
⏱️ Timing
Total: 1197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.44.111.46 |
| NS | 3 | cns3.alfahosting.info, cns2.alfahosting.info... |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:secure-mailgate.com |
| SOA | 1 | cns1.alfahosting.info hostmaster@alfahos |
Analysis
IP Addresses
plusopenair.de has exactly one IP address — 5.44.111.46.
mail.michaelodor.net, pkv.info, tsc-muecke.de plus two other host names have IP numbers in common with plusopenair.de.
Name Servers
plusopenair.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
plusopenair.de partially shares its NS delegation with several other domains, including mycanusa.de, axel-sat.de, ilango.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
plusopenair.de uses two mail servers, mx03.secure-mailgate.com and mx04.secure-mailgate.com.
The mail server setup of plusopenair.de matches that of other domains such as huawei-university.at, rs-d.de, wbids.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.