polytechnik.com - dns.ninja
polytechnik.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.99.64.195🇩🇪 Hetzner91.99.0.0/16 HETZNER-DC | ||||||
| PTR | dedivirt4180.your-server.de | ||||||
| NS | ns1.viennaweb.at ⭐ | ||||||
| A | 89.58.17.247🇩🇪 netcup-AS89.58.16.0/21 | ||||||
| PTR | imap.viennaweb.at | ||||||
| NS | ns2.viennaweb.at | ||||||
| A | 89.58.20.115🇩🇪 netcup-AS89.58.16.0/21 | ||||||
| PTR | ns2.viennaweb.at | ||||||
| NS | ns3.viennaweb.at | ||||||
| A | 178.77.103.31🇫🇷 GD-EMEA-DC-SXB1178.77.96.0/21 | ||||||
| PTR | ns3.viennaweb.at | ||||||
| MX | bulletproof.viennaweb.at ⭐ | ||||||
| A | 152.53.103.159🇦🇹 netcup-AS152.53.100.0/22 | ||||||
| PTR | proxmox.viennaweb.at | ||||||
| TXT | v=spf1 a mx include:spf.viennaweb.at -all | ||||||
| SOA | ns1.viennaweb.atwebmaster@polytechnik.com 2026-05-27 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782498635 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.viennaweb.at2015-05-24 → 2026-06-26 · 2 obs
● 2026-06-26 18:51:52
●NSns2.viennaweb.at2015-05-24 → 2026-06-26 · 2 obs
● 2026-06-26 18:51:52
●NSns3.viennaweb.at2026-03-14 → 2026-06-26 · 3 obs
● 2026-03-14 20:37:54
● 2026-06-26 18:51:52
●MXbulletproof.viennaweb.at2026-03-14 → 2026-06-26 · 3 obs
● 2026-03-14 20:37:54
● 2026-06-26 18:51:52
○MXpostler.viennaweb.at2015-05-24 → 2020-02-21 · 4 obs
● 2020-02-21 08:36:00
○ 2026-03-14 20:37:54
○ 2026-06-26 18:51:52
○A195.225.236.2042015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 13:59:08
○ 2020-02-21 08:36:00
○ 2026-06-26 18:51:52
○A91.239.118.202026-03-14 → 2026-05-03 · 5 obs
● 2026-03-14 20:37:54
● 2026-05-03 23:42:28
○ 2026-06-09 18:58:52
○ 2026-06-26 18:51:52
●A91.99.64.1952026-06-09 → 2026-06-26 · 3 obs
● 2026-06-09 18:58:52
● 2026-06-26 18:51:52
○A92.51.161.692020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 08:36:00
○ 2026-03-14 20:37:54
○ 2026-06-26 18:51:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net... | - |
| polytechnik.com | ns1.viennaweb.at, ns2.viennaweb.at, ns3.viennaweb.at | - |
✅ Authoritative Response
Server:89.58.20.115
NS records: ns1.viennaweb.at, ns2.viennaweb.at, ns3.viennaweb.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytechnik.com (unsigned zone)
⏱️ Timing
Total: 1510ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.99.64.195 |
| NS | 3 | ns3.viennaweb.at, ns2.viennaweb.at... |
| MX | 1 | bulletproof.viennaweb.at (pri: 5) |
| TXT | 1 | v=spf1 a mx include:spf.viennaweb.at -al |
| SOA | 1 | ns1.viennaweb.at webmaster.polytechnik.c |
Analysis
IP Addresses
polytechnik.com resolves to one IP address: 91.99.64.195.
Name Servers
polytechnik.com has three name servers — ns1.viennaweb.at, ns2.viennaweb.at and ns3.viennaweb.at.
At least some of polytechnik.com's name servers are shared with other domains, for example breitsprecher.at, radarrent.at, leiners.at and two more.
Each of the three hostnames points to exactly one IP address: ns1.viennaweb.at points to 89.58.17.247, ns2.viennaweb.at points to 89.58.20.115 and ns3.viennaweb.at points to 178.77.103.31.
Mail Servers
Mail for polytechnik.com is handled by a single mail server, bulletproof.viennaweb.at.
polytechnik.com uses an identical mail server configuration to several other domains — among them stojanoff.at, dskag.at, vindemia.at and two more.
At least a portion of polytechnik.com's mail servers are shared with other domains, among them blade-usv.com and zimmers.at.
bulletproof.viennaweb.at points to one IP number — 152.53.103.159.