extensor.at - dns.ninja
extensor.at
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=1785250802 | ||||||
Same first word
extensor.co.nz |
extensor.co.uk |
extensor.no |
extensor.info |
extensor.com.au |
extensor.se |
extensor.at |
extensor.org |
Similar names
DNS History
6 records (5 active, 1 former)
●A193.81.82.842026-04-06 → 2026-07-28 · 3 obs
● 2026-04-06 18:15:24
● 2026-07-28 15:45:40
○A195.3.98.52018-05-06 → 2018-05-06 · 3 obs
○ 2026-04-06 18:15:24
○ 2026-07-28 15:45:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, n.ns.at, r.ns.at, ns2.univie.ac.at... | - |
| extensor.at | dns1.a1.net, dns2.a1.net, dns3.a1.net | - |
✅ Authoritative Response
Server:192.174.68.105
NS records: dns1.a1.net, dns2.a1.net, dns3.a1.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extensor.at (unsigned zone)
⏱️ Timing
Total: 1024ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.81.82.84 |
| NS | 3 | dns1.a1.net, dns2.a1.net... |
| MX | 1 | mx1.a1.net (pri: 10) |
| TXT | 1 | v=spf1 include:bspf.a1.net ~all |
| SOA | 1 | dns1.a1.net domainadmin.a1.net |
Analysis
IP Addresses
extensor.at resolves to just one IP address, 193.81.82.84.
Two other host names, along with www.hkb.at, arch-feichtinger.at and manschiebel.at, also share IP numbers with extensor.at.
Name Servers
extensor.at is delegated to three name servers: dns1.a1.net, dns2.a1.net and dns3.a1.net.
There is at least partial name server overlap between extensor.at and other domains — ladekarte.biz, integralgroup.at, dsr.at and two more among them.
Host names that resolve to four IP numbers:
dns2.a1.net resolves to four IP addresses — 192.174.68.105, 213.33.99.79, 2001:67c:1bc::105 and 2001:850:3010:101:213:33:99:79.
Host names that have two IP addresses:
dns1.a1.net points to 80.120.17.26 and 2001:850:3030:31:80:120:17:26.
dns3.a1.net points to 176.97.158.105 and 2001:67c:10b8::105.
Mail Servers
The sole mail server for extensor.at is mx1.a1.net.
Among the domains sharing a mail server setup with extensor.at are hofmagier.at, admira.at, saturn-brandschutz.at and two others.
extensor.at and a number of other domains — epopart.at, globaltek.ch, rpw.at and arbeit-bildung.at among them — share at least some of the same mail servers.
mx1.a1.net resolves to a single IP number: 213.33.87.13.