postfach17.at - robtex.com
postfach17.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.78🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host344.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 2026-04-03 #2 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1775242802 | ||||||
Subdomains
mail.postfach17.at |
Same first word
postfach17.at |
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
●NScns2.alfahosting.info2026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
●NScns3.alfahosting.info2026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
○MXmail.postfach17.at2026-02-25 → 2026-04-03 · 2 obs
○ 2026-04-03 19:47:34
●MXmx03.secure-mailgate.com2026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
●MXmx04.secure-mailgate.com2026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
○A109.237.138.132026-02-25 → 2026-04-03 · 2 obs
○ 2026-04-03 19:47:34
●A81.88.34.782026-02-25 → 2026-04-03 · 2 obs
● 2026-04-03 19:47:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, d.ns.at, n.ns.at, ns2.univie.ac.at... | - |
| postfach17.at | cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.142.8
NS records: cns1.alfahosting.info, cns2.alfahosting.info, cns3.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for postfach17.at (unsigned zone)
⏱️ Timing
Total: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.78 |
| 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
postfach17.at is the parent of mail.postfach17.at.
IP Addresses
postfach17.at resolves to a single IP address: 81.88.34.78.
Other host names including myvoiceofspirit.de, mail.barisic.at, mail.bergfuehrer.net, apartments-in-berlin-mitte.de and www.feelslikehome.de share IP numbers with postfach17.at.
Name Servers
postfach17.at is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
postfach17.at at least partially shares name servers with other domains, including lackiweb.de, nanobeam.eu, amersdorffer.de, 6-wochentraining.de and elektronikhandel-online.de.
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
postfach17.at is handled by two mail servers: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
postfach17.at shares its mail server setup with other domains, including mokrosch.at, nipos-angelshop.de, waschhausaltkoepenick.de, vorbis.eu and eternalmoments.at.
postfach17.at shares some mail servers with other domains, at least partially, for instance secret-massagen.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