zulehner.org - robtex.com
zulehner.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.130.74.240🇦🇹 UniVie131.130.0.0/16 UNIVIE | ||||||
| PTR | pmz010.ktf.univie.ac.at | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.zulehner.org ⭐ | ||||||
| A | 131.130.74.9🇦🇹 UniVie131.130.0.0/16 UNIVIE | ||||||
| PTR | server1.ktf.univie.ac.at | ||||||
| TXT | v=spf1 a -all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2025-11-19 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774727548 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-08-13 → 2026-03-28 · 2 obs
● 2026-03-28 20:13:02
●NSrobotns2.second-ns.de2015-08-13 → 2026-03-28 · 2 obs
● 2026-03-28 20:13:02
●NSrobotns3.second-ns.com2015-08-13 → 2026-03-28 · 2 obs
● 2026-03-28 20:13:02
●MXmail.zulehner.org2015-08-13 → 2026-03-28 · 2 obs
● 2026-03-28 20:13:02
●A131.130.74.2402026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 05:55:36
● 2026-03-28 20:13:02
○A131.130.74.92015-08-13 → 2017-02-01 · 4 obs
● 2017-02-01 15:10:46
○ 2026-03-21 05:55:36
○ 2026-03-28 20:13:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| zulehner.org | robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zulehner.org (unsigned zone)
⏱️ Timing
Total: 326ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 131.130.74.240 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.zulehner.org (pri: 10) |
| TXT | 1 | v=spf1 a -all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
zulehner.org is a parent of mail.zulehner.org and www.zulehner.org.
IP Addresses
zulehner.org points to a single IP address: 131.130.74.240.
Other host names, such as pmz010.ktf.univie.ac.at and www.zulehner.org, share IP numbers with zulehner.org.
Name Servers
zulehner.org is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
zulehner.org at least partially shares name servers with other domains, for example proarc-solution.de, pfadfinder-kirchzarten.de, mediclick.at, konglomerat.ch and arminrogl.com.
Host names with two IP numbers:
robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
The mail.zulehner.org mail server handles zulehner.org.
mail.zulehner.org points to a single IP number: 131.130.74.9.