costerus.at - robtex.com
costerus.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.158.181.17🇩🇪 CLOUDPIT85.158.181.0/24 | ||||||
| PTR | cloud9-vm115.de-nserver.de | ||||||
| NS | ns1.hostprofis.com ⭐ | ||||||
| A | 109.237.143.9🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | ns1.de-nserver.de | ||||||
| NS | ns2.hostprofis.com | ||||||
| A | 5.9.190.96🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | ns2.de-nserver.de | ||||||
| MX | mail.costerus.at ⭐ | ||||||
| A | 85.158.181.17🇩🇪 CLOUDPIT85.158.181.0/24 | ||||||
| PTR | cloud9-vm115.de-nserver.de | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ns1.hostprofis.comhostmaster@ns1.hostprofis.com 2025-07-07 #11 | ||||||
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=1771290002 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns1.hostprofis.com2015-07-06 → 2026-03-18 · 2 obs
● 2026-03-18 11:53:34
●NSns2.hostprofis.com2015-07-06 → 2026-03-18 · 2 obs
● 2026-03-18 11:53:34
●MXmail.costerus.at2015-07-06 → 2026-03-18 · 2 obs
● 2026-03-18 11:53:34
●A85.158.181.172026-03-18 → 2026-03-18 · 2 obs
● 2026-03-18 11:53:34
○A85.158.181.202015-07-06 → 2017-06-04 · 3 obs
● 2017-06-04 20:41:08
○ 2026-03-18 11:53:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at... | - |
| costerus.at | ns1.hostprofis.com, ns2.hostprofis.com | - |
✅ Authoritative Response
Server: 5.9.190.96
NS records: ns1.hostprofis.com, ns2.hostprofis.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for costerus.at (unsigned zone)
⏱️ Timing
Total: 838ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.158.181.17 |
| NS | 2 | ns1.hostprofis.com, ns2.hostprofis.com |
| MX | 1 | mail.costerus.at (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns1.hostprofis.com hostmaster.ns1.hostpr |
Analysis
Hierarchy
costerus.at is a parent of mail.costerus.at and www.costerus.at.
IP Addresses
costerus.at points to a single IP: 85.158.181.17.
Other host names, for instance www.fbucher-tischlerei.at, ra-steinacher.at, mail.oa18.at, mail.wambacher-industrieservice.at and mail.wasshuber.at share IP numbers with costerus.at.
Name Servers
Two name servers ns1.hostprofis.com and ns2.hostprofis.com handle delegation for costerus.at.
costerus.at uses the same name server setup as other domains, for example onomastik.at, nepaltrekking.eu, anwalt-arbeitsrecht.at, mhm.co.at and fitnice.at.
costerus.at shares name servers with other domains at least partially, for instance cabasse.net, hightechcampus.at and steinecker.at.
These name servers commonly accompany ns1.server-routing.com, ns2.server-routing.com, ns1.wha.at and ns2.wha.at.
Host names with one IP number: The host name ns1.hostprofis.com points to 109.237.143.9 and the host name ns2.hostprofis.com points to 5.9.190.96.
Mail Servers
costerus.at is handled by a single mail server, mail.costerus.at.
mail.costerus.at points to a single IP: 85.158.181.17.