cpu.at - dns.ninja
cpu.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.19.145.82🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www62.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607: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 | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.cpu.at ⭐ | ||||||
| A | 81.19.149.88🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail33.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| TXT | google-site-verification=y1p0pdeMLRXqlYz4cnh3pR6vHMO4bDTB3jv3Hy5XijA | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-19 #3 | ||||||
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=1786597202 | ||||||
Subdomains
mail.cpu.at |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSns1.nessus.at2015-12-30 → 2017-04-08 · 5 obs
● 2015-12-30 13:18:48
● 2017-04-08 17:43:32
○ 2020-10-11 21:18:44
○ 2026-08-13 05:18:50
●NSns1.world4you.at2020-10-11 → 2026-08-13 · 3 obs
● 2020-10-11 21:18:44
● 2026-08-13 05:18:50
○NSns1.xvveb.net2015-06-12 → 2015-10-25 · 4 obs
● 2015-10-25 06:44:00
○ 2015-12-30 13:18:48
○ 2026-08-13 05:18:50
○NSns1.xvveb.net.cpu.at2015-06-12 → 2015-10-25 · 4 obs
● 2015-10-25 06:44:00
○ 2015-12-30 13:18:48
○ 2026-08-13 05:18:50
○NSns2.nessus.at2015-12-30 → 2017-04-08 · 5 obs
● 2015-12-30 13:18:48
● 2017-04-08 17:43:32
○ 2020-10-11 21:18:44
○ 2026-08-13 05:18:50
●NSns2.world4you.at2020-10-11 → 2026-08-13 · 3 obs
● 2020-10-11 21:18:44
● 2026-08-13 05:18:50
○NSns2.xvveb.net2015-06-12 → 2015-10-25 · 4 obs
● 2015-10-25 06:44:00
○ 2015-12-30 13:18:48
○ 2026-08-13 05:18:50
○NSns3.nessus.at2015-12-30 → 2017-04-08 · 5 obs
● 2015-12-30 13:18:48
● 2017-04-08 17:43:32
○ 2020-10-11 21:18:44
○ 2026-08-13 05:18:50
●MXmail.cpu.at2015-06-12 → 2026-08-13 · 2 obs
● 2026-08-13 05:18:50
○A195.70.232.1982015-06-12 → 2015-10-25 · 4 obs
● 2015-10-25 06:44:00
○ 2015-12-30 13:18:48
○ 2026-08-13 05:18:50
○A77.244.244.502015-12-30 → 2017-04-08 · 5 obs
● 2015-12-30 13:18:48
● 2017-04-08 17:43:32
○ 2020-10-11 21:18:44
○ 2026-08-13 05:18:50
●A81.19.145.822020-10-11 → 2026-08-13 · 3 obs
● 2020-10-11 21:18:44
● 2026-08-13 05:18:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, n.ns.at, r.ns.at, u.ns.at... | - |
| cpu.at | ns1.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 cpu.at (unsigned zone)
⏱️ Timing
Total: 577ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.145.82 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.cpu.at (pri: 10) |
| TXT | 2 | google-site-verification=y1p0pdeMLRXqlYz, v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
mail.cpu.at is delegated beneath cpu.at.
IP Addresses
cpu.at directs to one IP number, which is 81.19.145.82.
Among the host names that share IP numbers with cpu.at are annamariafitness.at, www.gartenwelt-oppl.at, www62.world4you.com and two others.
Name Servers
Two name servers handle the delegation for cpu.at: ns1.world4you.at and ns2.world4you.at.
cpu.at has the same name server delegation as a number of other domains, such as rococoon.com, therme-carnuntum.at, cavallerie-verband.at and two more.
ns1.world4you.at and ns2.world4you.at both carry two IP addresses. The A records for ns1.world4you.at are 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253; the A records for ns2.world4you.at are 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.
Mail Servers
cpu.at routes its mail through a single mail server, mail.cpu.at.
mail.cpu.at carries a single IP number, which is 81.19.149.88.