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 2026-08-01 #97 | ||||||
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=1786453202 | ||||||
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
○ 2026-08-11 13:51:30
○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
○ 2026-08-11 13:51:30
○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
○ 2026-08-11 13:51:30
○NSns1.sysadmin.at2015-05-25 → 2016-12-26 · 4 obs
● 2016-12-26 04:44:12
○ 2017-06-29 00:36:52
○ 2026-08-11 13:51:30
○NSns2.sysadmin.at2015-05-25 → 2016-12-26 · 4 obs
● 2016-12-26 04:44:12
○ 2017-06-29 00:36:52
○ 2026-08-11 13:51:30
●NSx.ns.joker.com2026-02-15 → 2026-08-11 · 3 obs
● 2026-02-15 22:54:26
● 2026-08-11 13:51:30
●NSy.ns.joker.com2026-02-15 → 2026-08-11 · 3 obs
● 2026-02-15 22:54:26
● 2026-08-11 13:51:30
●NSz.ns.joker.com2026-02-15 → 2026-08-11 · 3 obs
● 2026-02-15 22:54:26
● 2026-08-11 13:51:30
●MXmail.1anetz.at2026-02-15 → 2026-08-11 · 3 obs
● 2026-02-15 22:54:26
● 2026-08-11 13:51:30
○MXmail.sysadmin.at2015-05-25 → 2017-08-27 · 4 obs
● 2017-08-27 15:02:12
○ 2026-02-15 22:54:26
○ 2026-08-11 13:51:30
○A217.115.145.122015-05-25 → 2016-05-06 · 4 obs
● 2016-05-06 01:56:14
○ 2016-10-31 18:52:04
○ 2026-08-11 13:51:30
●A37.120.171.672016-10-31 → 2026-08-11 · 3 obs
● 2016-10-31 18:52:04
● 2026-08-11 13:51:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| sysadmin.at | y.ns.joker.com, x.ns.joker.com, z.ns.joker.com | - |
✅ Authoritative Response
Server:23.88.49.189
NS records: y.ns.joker.com, x.ns.joker.com, z.ns.joker.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysadmin.at (unsigned zone)
⏱️ Timing
Total: 1729ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.120.171.67 |
| NS | 3 | x.ns.joker.com, y.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
The host names ana.sysadmin.at, sys2.sysadmin.at, ns1.sysadmin.at, mail.sysadmin.at and www.sysadmin.at — among a few others — fall under the parent domain sysadmin.at.
IP Addresses
sysadmin.at directs to one IP number, which is 37.120.171.67.
sys2.sysadmin.at, www.sysadmin.at, storiesbystarkey.com and kistner.at are among the host names that share IP numbers with sysadmin.at.
Name Servers
sysadmin.at has three name servers — x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.
At least some of sysadmin.at's name servers are shared with other domains, for example nifkin.com, e-teachers.eu, dienst.net and two more.
It is common for these name servers to be used in conjunction with the name servers b.ns.joker.com, c.ns.joker.com and a.ns.joker.com.
Hosts with two IP numbers each:
y.ns.joker.com resolves to 23.88.49.189 and 2a01:4f8:c0c:165b::1.
z.ns.joker.com resolves to 192.95.37.184 and 2607:5300:203:7e6d::2222.
Hosts that resolve to one IP address:
x.ns.joker.com resolves to 194.245.103.13.
Mail Servers
sysadmin.at routes its mail through a single mail server, mail.1anetz.at.
The mail server setup of sysadmin.at matches that of mail.1anetz.at, kistner.at, 1anetz.at and 1anetz.eu, among other domains.
mail.1anetz.at points to one IP number — 37.120.191.204.