mdev.at - dns.ninja
mdev.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:c012:ccd5::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 23.88.113.140🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | mail.mdev.at ⭐ | ||||||
| A | 2a01:4f8:c012:ccd5::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 23.88.113.140🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| PTR | mail.mdev.at | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-03-15 #1 | ||||||
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=1780743602 | ||||||
Subdomains
www.mdev.at |
postfixadmin.mdev.at |
mail.mdev.at |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.second-ns.com2026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
●NSns1.your-server.de2026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
●NSns3.second-ns.de2026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
●MXmail.mdev.at2026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
●A23.88.113.1402026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
●A2a01:4f8:c012:ccd5::12026-05-09 → 2026-06-06 · 2 obs
● 2026-06-06 11:29:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| mdev.at | ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de | - |
✅ Authoritative Response
Server:213.239.204.242
NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdev.at (unsigned zone)
⏱️ Timing
Total: 1176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.88.113.140 |
| AAAA | 1 | 2a01:4f8:c012:ccd5::1 |
| NS | 3 | ns.second-ns.com, ns1.your-server.de... |
| MX | 1 | mail.mdev.at (pri: 0) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
Analysis
Hierarchy
The domain mdev.at is parent to www.mdev.at, postfixadmin.mdev.at and mail.mdev.at.
IP Addresses
mdev.at points to two IP numbers: 23.88.113.140 and 2a01:4f8:c012:ccd5::1.
Other host names, for instance postfixadmin.mdev.at, mail.mdev.at and www.mdev.at share IP numbers with mdev.at.
Name Servers
mdev.at is served by three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
At least some of mdev.at's name servers are shared with other domains, for example plegmbh.de, xn--fsgn-8qa.at, motcenter.de and two more.
The hostnames ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de each direct to two IP addresses — ns.second-ns.com to 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de to 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
The sole mail server for mdev.at is mail.mdev.at.
mail.mdev.at directs to two IP numbers, 23.88.113.140 and 2a01:4f8:c012:ccd5::1.