bitner.at - dns.ninja
bitner.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=1786748402 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSns1.websupport.at2015-07-19 → 2026-08-14 · 2 obs
● 2026-08-14 23:53:50
●NSns2.websupport.at2015-07-19 → 2026-08-14 · 2 obs
● 2026-08-14 23:53:50
●NSns3.websupport.at2015-07-19 → 2026-08-14 · 2 obs
● 2026-08-14 23:53:50
●MXmailin1.bitner.at2015-07-19 → 2026-08-14 · 2 obs
● 2026-08-14 23:53:50
●MXmailin2.bitner.at2015-07-19 → 2026-08-14 · 2 obs
● 2026-08-14 23:53:50
○A195.210.29.12015-07-19 → 2015-07-19 · 3 obs
○ 2015-12-05 03:32:46
○ 2026-08-14 23:53:50
●A2a00:4b40:aaaa:2004::62026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 23:56:14
● 2026-08-14 23:53:50
●A37.9.175.1552026-03-23 → 2026-08-14 · 3 obs
● 2026-03-23 23:56:14
● 2026-08-14 23:53:50
○A37.9.175.262015-12-05 → 2017-04-18 · 5 obs
● 2015-12-05 03:32:46
● 2017-04-18 19:08:16
○ 2026-03-23 23:56:14
○ 2026-08-14 23:53:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | j.ns.at, n.ns.at, ns2.univie.ac.at, d.ns.at... | - |
| bitner.at | ns1.websupport.at, ns2.websupport.at, ns3.websupport.at | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.at, ns2.websupport.at, ns3.websupport.at
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitner.at (unsigned zone)
⏱️ Timing
Total: 868ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.155 |
| AAAA | 1 | 2a00:4b40:aaaa:2004::6 |
| NS | 3 | ns1.websupport.at, ns2.websupport.at... |
| MX | 2 | mailin1.bitner.at (pri: 10), mailin2.bitner.at (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.at admin.websupport.sk |
Analysis
Hierarchy
bitner.at is the parent domain of mailin2.bitner.at, www.bitner.at and mailin1.bitner.at.
IP Addresses
bitner.at resolves to the IP addresses 37.9.175.155 and 2a00:4b40:aaaa:2004::6
Two other host names, along with zatancuj.sk, betel.sk and ekateam.sk, also share IP numbers with bitner.at.
Name Servers
Three name servers are authoritative for bitner.at: ns1.websupport.at, ns2.websupport.at and ns3.websupport.at.
bitner.at shares at least some of its name servers with other domains, including berhet.at, shera.at, aphaus.at and two others.
These name servers are frequently seen alongside ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk and 3 other name servers.
ns1.websupport.at resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.at resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.at resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.
Mail Servers
bitner.at is served by two mail servers, mailin1.bitner.at and mailin2.bitner.at.
Host names that have two IP addresses:
mailin2.bitner.at maps to two IP addresses — 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:7.
Host names that point to one IP address:
mailin1.bitner.at points to the IP address 37.9.169.113.