computersystem.at - dns.ninja

computersystem.at

DNSSEC⚠️ Not signed
A81.19.145.92🇦🇹 IONOS-AS81.19.144.0/20 World4You.com
PTRwww72.world4you.com
NSns1.world4you.at ⭐
A2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1.world4you.at
A185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1.world4you.at
NSns2.world4you.at
A2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns2.world4you.at
A217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns2.world4you.at
MXmail.computersystem.at ⭐
A81.19.149.76🇦🇹 IONOS-AS81.19.144.0/20 World4You.com
PTRmail23.world4you.com
TXTv=spf1 mx include:spf.w4ymail.at -all
SOAns1.world4you.athostmaster@world4you.com 2025-03-19 #2

at

DNSSEC🔒 Signed (DS record present)
NSdns.nic.at ⭐
NSd.ns.at
NSj.ns.at
NSn.ns.at
NSns1.univie.ac.at
NSns2.univie.ac.at
NSr.ns.at
NSu.ns.at
SOAdns.nic.atdomain-admin@univie.ac.at serial=1783692002

Subdomains

mail.computersystem.at

Same first word

computersystem.es
computersystem.net
computersystem.jp
computersystem.at
computersystem.cz
computersystem.us
computersystem.ru
computersystem.ch
computersystem.com
computersystem.it
computersystem.de
computersystem.com.br

Similar names

systemcomputer.com
systemcomputer.de

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns1.world4you.atns2.world4you.atns1.inode.atns1.upc.bizns2.inode.atns2.upc.bizMXmail.computersystem.atmx.upcbusiness.atA81.19.145.92213.229.60.9
○NSns1.inode.at2015-07-24 → 2017-02-01 · 4 obs
● 2015-07-24 20:32:44
● 2017-02-01 09:52:26
○ 2018-08-31 15:49:52
○ 2026-07-10 15:10:32
○NSns1.upc.biz2018-08-31 → 2018-08-31 · 4 obs
○ 2017-02-01 09:52:26
● 2018-08-31 15:49:52
○ 2026-04-01 07:40:52
○ 2026-07-10 15:10:32
●NSns1.world4you.at2026-04-01 → 2026-07-10 · 3 obs
○ 2018-08-31 15:49:52
● 2026-04-01 07:40:52
● 2026-07-10 15:10:32
○NSns2.inode.at2015-07-24 → 2017-02-01 · 4 obs
● 2015-07-24 20:32:44
● 2017-02-01 09:52:26
○ 2018-08-31 15:49:52
○ 2026-07-10 15:10:32
○NSns2.upc.biz2018-08-31 → 2018-08-31 · 4 obs
○ 2017-02-01 09:52:26
● 2018-08-31 15:49:52
○ 2026-04-01 07:40:52
○ 2026-07-10 15:10:32
●NSns2.world4you.at2026-04-01 → 2026-07-10 · 3 obs
○ 2018-08-31 15:49:52
● 2026-04-01 07:40:52
● 2026-07-10 15:10:32
●MXmail.computersystem.at2026-04-01 → 2026-07-10 · 3 obs
○ 2018-08-31 15:49:52
● 2026-04-01 07:40:52
● 2026-07-10 15:10:32
○MXmx.upcbusiness.at2015-07-24 → 2018-08-31 · 4 obs
● 2015-07-24 20:32:44
● 2018-08-31 15:49:52
○ 2026-04-01 07:40:52
○ 2026-07-10 15:10:32
○A213.229.60.92015-07-24 → 2018-08-31 · 4 obs
● 2015-07-24 20:32:44
● 2018-08-31 15:49:52
○ 2026-04-01 07:40:52
○ 2026-07-10 15:10:32
●A81.19.145.922026-04-01 → 2026-07-10 · 3 obs
○ 2018-08-31 15:49:52
● 2026-04-01 07:40:52
● 2026-07-10 15:10:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atd.ns.at, j.ns.at, n.ns.at, r.ns.at...-
computersystem.atns1.world4you.at, ns2.world4you.at-

✅ Authoritative Response

Server:217.160.82.253

NS records: ns1.world4you.at, ns2.world4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computersystem.at (unsigned zone)

⏱️ Timing

Total: 1342ms | Queries: -

📄 Records

TypeCountSample Data
A181.19.145.92
NS2ns1.world4you.at, ns2.world4you.at
MX1mail.computersystem.at (pri: 10)
TXT1v=spf1 mx include:spf.w4ymail.at -all
SOA1ns1.world4you.at hostmaster.world4you.co

Analysis

Hierarchy

The domain mail.computersystem.at falls under the parent computersystem.at.

IP Addresses

computersystem.at resolves to one IP address: 81.19.145.92.

hf-core.at, www.rhythmik.at, fussball-labor.at and two other host names share IP numbers with computersystem.at.

Name Servers

The NS records for computersystem.at delegate to ns1.world4you.at and ns2.world4you.at.

computersystem.at uses the same name servers as several other domains — among them catharina.at, planwert.co.at, hk1.eu and two more.

computersystem.at and other domains like adiemus.eu share at least a portion of their name servers.

ns1.world4you.at resolves to 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253. Likewise, ns2.world4you.at resolves to 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253 — two IP addresses apiece.

Mail Servers

Mail for computersystem.at is handled by a single mail server, mail.computersystem.at.

mail.computersystem.at resolves to 81.19.149.76 and no other IP number.