peter-koch.at - robtex.com
peter-koch.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=1776150002 | ||||||
PTR for
Subdomains
Same first word
peter-koch.at |
peter-koch.de |
Similar names
DNS History
7 records (5 active, 2 former)
●NSdns1.a1.net2020-02-22 → 2026-04-14 · 3 obs
● 2020-02-22 03:21:54
● 2026-04-14 07:47:40
○NSdns1.grazkom.at2015-07-10 → 2017-03-28 · 4 obs
● 2017-03-28 21:32:28
○ 2020-02-22 03:21:54
○ 2026-04-14 07:47:40
●NSdns2.a1.net2020-02-22 → 2026-04-14 · 3 obs
● 2020-02-22 03:21:54
● 2026-04-14 07:47:40
○NSdns2.grazkom.at2015-07-10 → 2017-03-28 · 4 obs
● 2017-03-28 21:32:28
○ 2020-02-22 03:21:54
○ 2026-04-14 07:47:40
●NSdns3.a1.net2020-02-22 → 2026-04-14 · 3 obs
● 2020-02-22 03:21:54
● 2026-04-14 07:47:40
●MXmail.peter-koch.at2015-07-10 → 2026-04-14 · 2 obs
● 2026-04-14 07:47:40
●A217.29.155.2532015-07-10 → 2026-04-14 · 2 obs
● 2026-04-14 07:47:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, d.ns.at, r.ns.at, j.ns.at... | - |
| peter-koch.at | dns1.a1.net, dns2.a1.net, dns3.a1.net | - |
✅ Authoritative Response
Server:80.120.17.26
NS records: dns1.a1.net, dns2.a1.net, dns3.a1.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for peter-koch.at (unsigned zone)
⏱️ Timing
Total: 856ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.29.155.253 |
| NS | 3 | dns3.a1.net, dns1.a1.net... |
| MX | 1 | mail.peter-koch.at (pri: 10) |
| SOA | 1 | dns3.a1.net domainadmin.a1.net |
Analysis
Hierarchy
peter-koch.at is parent of www.peter-koch.at and mail.peter-koch.at.
IP Addresses
peter-koch.at points to a single IP number: 217.29.155.253.
Other host names, for instance cdw-consulting.at, forum-china.at and mail.fit4project.at share IP numbers with peter-koch.at.
Name Servers
peter-koch.at is delegated to three name servers: dns1.a1.net, dns2.a1.net and dns3.a1.net.
peter-koch.at at least partially shares name servers with other domains, for instance wollsdorfleather.co.at, svoboda.at, ringtone.at, paneologie.at and speed-tech.at.
Host names with four IP numbers: dns2.a1.net points to 2001:67c:1bc::105, 2001:850:3010:101:213:33:99:79, 192.174.68.105 and 213.33.99.79.
Host names with two IP numbers: dns1.a1.net points to 2001:850:3030:31:80:120:17:26 and 80.120.17.26. dns3.a1.net points to 2001:67c:10b8::105 and 176.97.158.105.
Mail Servers
peter-koch.at is handled by a single mail server, mail.peter-koch.at.
peter-koch.at shares the same mail server setup as other domains, for example cdw-consulting.at.
Host name mail.peter-koch.at points to IP address 91.112.197.123.