sysadmin.at - robtex.com
sysadmin.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.120.171.67🇩🇪 netcup-AS37.120.168.0/22 | ||||||
| PTR | sys2.sysadmin.at | ||||||
| NS | x.ns.joker.com ⭐ | ||||||
| A | 194.245.103.13🇩🇪 CSL194.245.0.0/16 DE-CSL-GMBH-PA | ||||||
| PTR | x.ns.joker.com | ||||||
| NS | y.ns.joker.com | ||||||
| A | 2a01:4f8:c0c:165b::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | y.ns.joker.com | ||||||
| A | 23.88.49.189🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| PTR | static.189.49.88.23.clients.your-server.de | ||||||
| NS | z.ns.joker.com | ||||||
| A | 2607:5300:203:7e6d::2222🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| A | 192.95.37.184🇨🇦 OVH192.95.0.0/18 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| MX | mail.1anetz.at ⭐ | ||||||
| A | 37.120.191.204🇩🇪 netcup-AS37.120.188.0/22 | ||||||
| PTR | mail.1anetz.at | ||||||
| TXT | v=spf1 a mx ip4:37.120.191.204 ip4:37.120.171.67 ip4:152.53.1.102 ip4:176.28.... | ||||||
| SOA | x.ns.joker.comhostmaster@joker.com 2026-05-06 #0 | ||||||
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=1778338802 | ||||||
Subdomains
ana.sysadmin.at |
sys2.sysadmin.at |
ns1.sysadmin.at |
mail.sysadmin.at |
www.sysadmin.at |
he.sysadmin.at |
ns2.sysadmin.at |
noana.sysadmin.at |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSa.ns.joker.com2017-06-29 → 2017-08-27 · 5 obs
● 2017-06-29 00:36:52
● 2017-08-27 15:02:12
○ 2026-02-15 22:54:26
○ 2026-05-09 15:35:44
○NSb.ns.joker.com2017-06-29 → 2017-08-27 · 5 obs
● 2017-06-29 00:36:52
● 2017-08-27 15:02:12
○ 2026-02-15 22:54:26
○ 2026-05-09 15:35:44
○NSc.ns.joker.com2017-06-29 → 2017-08-27 · 5 obs
● 2017-06-29 00:36:52
● 2017-08-27 15:02:12
○ 2026-02-15 22:54:26
○ 2026-05-09 15:35:44
○NSns1.sysadmin.at2015-05-25 → 2016-12-26 · 4 obs
● 2016-12-26 04:44:12
○ 2017-06-29 00:36:52
○ 2026-05-09 15:35:44
○NSns2.sysadmin.at2015-05-25 → 2016-12-26 · 4 obs
● 2016-12-26 04:44:12
○ 2017-06-29 00:36:52
○ 2026-05-09 15:35:44
●NSx.ns.joker.com2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:54:26
● 2026-05-09 15:35:44
●NSy.ns.joker.com2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:54:26
● 2026-05-09 15:35:44
●NSz.ns.joker.com2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:54:26
● 2026-05-09 15:35:44
●MXmail.1anetz.at2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:54:26
● 2026-05-09 15:35:44
○MXmail.sysadmin.at2015-05-25 → 2017-08-27 · 4 obs
● 2017-08-27 15:02:12
○ 2026-02-15 22:54:26
○ 2026-05-09 15:35:44
○A217.115.145.122015-05-25 → 2016-05-06 · 4 obs
● 2016-05-06 01:56:14
○ 2016-10-31 18:52:04
○ 2026-05-09 15:35:44
●A37.120.171.672016-10-31 → 2026-05-09 · 3 obs
● 2016-10-31 18:52:04
● 2026-05-09 15:35:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at... | - |
| sysadmin.at | x.ns.joker.com, y.ns.joker.com, z.ns.joker.com | - |
✅ Authoritative Response
Server:23.88.49.189
NS records: x.ns.joker.com, y.ns.joker.com, z.ns.joker.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysadmin.at (unsigned zone)
⏱️ Timing
Total: 1113ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.120.171.67 |
| NS | 3 | x.ns.joker.com, z.ns.joker.com... |
| MX | 1 | mail.1anetz.at (pri: 50) |
| TXT | 1 | v=spf1 a mx ip4:37.120.191.204 ip4:37.12 |
| SOA | 1 | x.ns.joker.com hostmaster.joker.com |
Analysis
Hierarchy
sysadmin.at is a parent of ana.sysadmin.at, sys2.sysadmin.at, ns1.sysadmin.at, mail.sysadmin.at and www.sysadmin.at, plus a few other host names.
IP Addresses
sysadmin.at resolves to one IP number: 37.120.171.67.
Other host names, for instance sys2.sysadmin.at, www.sysadmin.at, storiesbystarkey.com, booksbystarkey.com and kistner.at share IP numbers with sysadmin.at.
Name Servers
sysadmin.at is delegated to three name servers: x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.
sysadmin.at at least partially shares name servers with other domains, including e-teachers.eu, dienst.net, brites.com, life-creator.at and zsw.ca.
These name servers are commonly used with b.ns.joker.com, c.ns.joker.com and a.ns.joker.com.
Hosts with two IPs:
y.ns.joker.com points to 2a01:4f8:c0c:165b::1 and 23.88.49.189.
z.ns.joker.com points to 2607:5300:203:7e6d::2222 and 192.95.37.184.
Host with one IP:
x.ns.joker.com points to 194.245.103.13.
Mail Servers
A single mail server handles sysadmin.at, mail.1anetz.at.
sysadmin.at shares its mail server setup with other domains, including mail.1anetz.at, kistner.at, 1anetz.at and 1anetz.eu.
Host name mail.1anetz.at resolves to a single IP: 37.120.191.204.